By Jagdish Reddy | 10+ Years Gardening Experience
Reviewed Against: Rutgers NJAES Cooperative Extension • USDA Plant Hardiness Zone Map
Updated: June 2026
Whether you are gardening in Sussex County, Central Jersey, or near Cape May, the timing of what you plant depends almost entirely on where you live in New Jersey (NJ).
New Jersey spans three USDA hardiness zones and three distinct growing regions. North Jersey gardeners work around a last frost near May 1. South Jersey gardeners near the Delaware Bay and Cape May can often transplant tomatoes by mid-April. That difference can shift planting dates by several weeks.
This New Jersey planting calendar shows what to plant each month, when to start seeds, and how planting dates vary across different parts of the state.. It includes tomatoes, peppers, fruit trees, berries, herbs, flowers, seed starting dates, raised bed adjustments, variety picks for NJ conditions, and a rundown of the pests and diseases most likely to affect your garden.
Looking for planting dates beyond New Jersey? See our complete USA Planting Calendar for state-by-state growing guides across the country.
Quick Answer: Best Time to Plant in New Jersey(NJ)
Cool-season vegetables such as lettuce, peas, spinach, and broccoli are typically planted from March through April. Warm-season crops including tomatoes, peppers, beans, and cucumbers are planted after the last frost from late April through May. Fall vegetables are planted from August through September for harvest before the first frost.
What Can I Plant Right Now in New Jersey?
Find your current month in the table below. Adjust 1 to 2 weeks earlier for South Jersey and 1 to 2 weeks later for North Jersey.
| Month | Cool Crops (Direct Sow) | Warm Crops / Indoor Start |
| January | None outdoors | Start onions, leeks indoors |
| February | None outdoors | Start peppers, eggplant indoors |
| March | Peas, spinach, lettuce, radish | Start tomatoes indoors |
| April | Carrots, beets, chard, arugula | Transplant broccoli, cabbage outdoors |
| May | Beans, corn, cucumbers | Tomatoes, peppers after last frost |
| June | Beans (succession), herbs | Summer flowers, basil |
| July | Start broccoli indoors for fall | None outdoors (too hot) |
| August | Spinach, kale, radish, arugula | Broccoli, cabbage transplants |
| September | Lettuce, spinach, mache | Garlic cloves |
| October | Garlic cloves | Spring bulbs in ground |
| November | Spring bulbs, garlic (South NJ) | None |
| December | Plan and order seeds | None |

Planning multiple vegetables, herbs, flowers, or fruit crops this season? Use the interactive garden planner below to organize your planting schedule and growing space.
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New Jersey Growing Zones and Frost Dates
USDA Hardiness Zones in New Jersey
New Jersey covers Zone 6a through Zone 7b. Your zone affects which perennials survive winter and how early you can safely transplant warm-season crops.
| Region | USDA Zone | Counties |
| Northern NJ | Zone 6a / 6b | Bergen, Morris, Sussex, Warren, Passaic |
| Central NJ | Zone 6b / 7a | Middlesex, Somerset, Monmouth, Mercer |
| Southern NJ | Zone 7a / 7b | Burlington, Camden, Atlantic, Cape May |
| Jersey Shore | Zone 7b | Coastal strip, moderated by Atlantic Ocean |

Last Spring Frost Dates by Region
| Region | Avg Last Frost | Safe Transplant Date |
| Northern NJ | Apr 15 to May 1 | After May 1 |
| Central NJ | Apr 1 to Apr 15 | After Apr 15 |
| Southern NJ | Mar 15 to Apr 1 | After Apr 1 |
| Jersey Shore | Mar 20 to Apr 5 | After Apr 5 |
First Fall Frost Dates by Region
| Region | Avg First Frost | Last Planting Window |
| Northern NJ | Oct 1 to Oct 15 | Plant by late August |
| Central NJ | Oct 15 to Nov 1 | Plant by mid-September |
| Southern NJ | Nov 1 to Nov 15 | Plant through late September |
| Jersey Shore | Nov 5 to Nov 20 | Longest fall growing window |
Rutgers Cooperative Extension (njaes.rutgers.edu) publishes frost data specific to New Jersey counties. The USDA Plant Hardiness Zone Map (planthardiness.ars.usda.gov) lets you check your exact zone by ZIP code.
North Jersey vs South Jersey Planting Dates
The 2 to 3 week gap between North and South Jersey is the most practical thing to understand in this NJ planting calendar. Here is a direct comparison.
| Crop | North NJ (Zone 6) | South NJ (Zone 7) |
| Tomatoes (transplant) | After May 10 | After Apr 20 |
| Peppers (transplant) | After May 10 | After Apr 20 |
| Beans (direct sow) | Early May | Mid-April |
| Cucumbers (direct sow) | Mid-May | Late April |
| Broccoli (fall transplant) | Aug 1 to Aug 10 | Aug 10 to Aug 25 |
| Garlic (plant cloves) | Late Sep to Oct 15 | Oct to Nov 1 |
| Peas (direct sow) | Late Mar to Apr 1 | Mar 1 to Mar 15 |

What to Plant Each Month in New Jersey
January and February
No outdoor planting yet. These months are for indoor seed starting and planning.
- January: Start onions, leeks, and celery indoors (10 to 12 weeks before transplant)
- February: Start peppers and eggplant indoors (10 to 12 weeks before last frost). Order remaining seeds.
- Late February: Start petunias, impatiens, and other slow-growing annuals indoors.
March
Soil thaws in South Jersey first. In North Jersey, wait for the ground to be workable.
- Direct sow: peas, spinach, radishes, lettuce outdoors (soil 40F+)
- Start indoors: tomatoes (6 to 8 weeks before last frost)
- Plant: bare-root fruit trees and dormant berry bushes
- South NJ: transplant broccoli and cabbage starts outdoors
April
The busiest month for most NJ gardeners. South Jersey is nearly frost-free. North Jersey still risks late frosts.
- Direct sow: carrots, beets, Swiss chard, arugula, more lettuce
- Transplant outdoors: broccoli, cabbage, cauliflower, kale (frost-tolerant)
- Start indoors: cucumbers, squash, melons (3 to 4 weeks before last frost)
- Plant: blueberries, strawberries, bare-root roses, asparagus crowns
- Annuals outdoors (South NJ only after Apr 1): pansies, snapdragons
May
For many New Jersey gardeners, May is the month when tomatoes, peppers, beans, and summer flowers finally move outdoors. Transplant after your last frost date has passed and soil hits 60F.
- After last frost: tomatoes, peppers, eggplant, basil
- Direct sow: beans, squash, cucumbers, corn, sunflowers
- Plant: marigolds, zinnias, impatiens, and annual flowers after frost

June
Keep filling gaps with fast-maturing crops. Succession sowing keeps production going all season.
- Direct sow: beans every 2 weeks, more cucumbers, summer squash
- Plant: herb transplants and annual flowers to fill empty spots
- Fall prep: count backward from first frost for brassica transplant timing
July
Heat-tolerant crops only now. Soil dries fast so water deeply 2 to 3 times per week.
- Direct sow: heat-tolerant lettuce in shaded spots
- Start indoors: broccoli, cauliflower, cabbage for fall transplanting
- South NJ only: second planting of bush beans by July 15
August
August is often the best time to start fall crops because soil remains warm while cooler temperatures are just around the corner. The window is 3 to 4 weeks wide so do not delay.
- Direct sow: spinach, arugula, radishes, turnips, kale
- Transplant: broccoli, cabbage, cauliflower starts (started in July)
- Late August: plant garlic in South NJ
- South NJ: sow fall peas by mid-August
September
One of the best months for leafy greens. Cool nights improve flavor in lettuce, spinach, and arugula.
- Direct sow: spinach, lettuce, arugula, mache, claytonia
- Plant: garlic cloves statewide by late September to early October
- Set up cold frames or row covers to extend harvest into December
October and November
- Plant: spring bulbs (tulips, daffodils, crocuses) before ground freezes
- Garlic: final window through November in South NJ
- Cover: mulch strawberry beds and perennial herbs for winter
- Clean up: pull spent crops to reduce disease overwintering
December
Outdoor growing is done except in cold frames. Review what worked, test soil over winter, and order bare-root trees and berry bushes early for spring delivery.
New Jersey Planting Calendar Chart
These charts cover planting windows for the full NJ growing season. Dates are approximate for Central NJ (Zone 6b/7a). Adjust earlier for South NJ and later for North NJ.

Vegetable Planting Calendar Chart
| Vegetable | Start Indoors | Transplant or Direct Sow |
| Tomatoes | Late Feb to mid-Mar | After last frost (May) |
| Peppers | Late Feb to mid-Mar | After last frost (May) |
| Eggplant | Late Feb | After last frost (May) |
| Cucumbers | Late Apr | Direct sow May or transplant |
| Zucchini / Squash | Mid-Apr | Direct sow May |
| Beans | Not needed | Direct sow May to July |
| Peas | Not needed | Direct sow Mar to Apr |
| Lettuce | Late Feb | Mar to Apr, Aug to Sep |
| Spinach | Not needed | Direct sow Mar, Aug to Sep |
| Broccoli | Early Mar or July | Apr or Aug to Sep |
| Carrots | Not needed | Direct sow Mar to May, Aug |
| Garlic | Not needed | Plant cloves Sep to Oct |
Fruit Planting Calendar Chart
| Fruit | Best Planting Time | Notes |
| Apple Trees | Mar to Apr (bare-root) | Needs two varieties for pollination |
| Peach Trees | Late Mar to Apr | Plant Reliance or Contender for NJ |
| Blueberries | Mar to Apr or Sep to Oct | Needs pH 4.5 to 5.5 |
| Strawberries | Early April | Earliglow, Jewel for NJ |
| Raspberries | Early spring (dormant) | Heritage for fall-bearing NJ crop |
| Blackberries | Early spring | Triple Crown (thornless) does well |
| Figs | After last frost | Containers in North NJ, ground in South NJ |
| Grapes | Early spring (dormant) | Concord reliable in Zone 6 |
| Elderberries | Spring | Two cultivars for pollination |
| Pawpaw | Spring | Shade-tolerant, native to NJ |
Herb Planting Calendar Chart
| Herb | Start Indoors | Move Outdoors |
| Basil | Mid-Apr | After last frost, soil 65F+ |
| Cilantro | Not needed | Direct sow Mar to Apr, Aug to Sep |
| Parsley | Late Feb | Apr to May |
| Dill | Not needed | Direct sow Apr to May |
| Thyme | Late Feb | Apr (perennial in NJ) |
| Rosemary | Late Feb | May (Zone 6: grow as annual) |
| Mint | Late Feb | Apr to May (container only) |
| Chives | Not needed | Apr (perennial, self-seeds) |
| Oregano | Late Feb | Apr (perennial in NJ) |
Flower Planting Calendar Chart
| Flower | Start Indoors | Outdoors / Notes |
| Marigolds | Early Apr | After last frost, full sun |
| Zinnias | Late Apr | Direct sow after frost |
| Petunias | Late Feb | After last frost |
| Sunflowers | Not needed | Direct sow May |
| Tulips | Not needed | Plant bulbs Oct to Nov |
| Coneflower | Late Feb | Apr (perennial NJ native) |
| Black-eyed Susan | Late Feb | Apr (perennial NJ native) |
| Impatiens | Mid-Feb | After last frost (shade) |
| Snapdragons | Late Jan | Apr (cool-season annual) |
When to Plant Tomatoes in New Jersey
Plant tomatoes outdoors after the danger of frost has passed and soil temperature reaches at least 60F at 4 inches deep. In North Jersey this is typically after May 10. In South Jersey, planting often begins after April 20.

Start tomato seeds indoors 6 to 8 weeks before your last frost date. That means late February to mid-March for most NJ gardeners.
Best Tomato Varieties for New Jersey
New Jersey summers bring heat, humidity, and late blight pressure. Choose varieties built for these conditions.
| Variety | Type | NJ Advantage |
| Rutgers | Slicing | Bred for NJ conditions by Rutgers University |
| Celebrity | Slicing | Disease-resistant, consistent producer |
| Jet Star | Slicing | Low acid, handles humidity well |
| Sungold | Cherry | Heat-tolerant, very productive |
| San Marzano | Paste | Excellent for sauce, thrives in NJ heat |
| Early Girl | Slicing | Short season, good for North NJ |
| Defiant | Slicing | Late blight resistant, ideal for humid NJ summers |
| Mountain Magic | Cherry | Strong late blight resistance |
When to Plant Peppers in New Jersey(NJ)
Peppers are more cold-sensitive than tomatoes. Wait until nights consistently stay above 55F before transplanting. Even frost-free nights in the 40s will stall pepper growth for a week or more.
Start pepper seeds indoors 10 to 12 weeks before your last frost. Late February for most of New Jersey. Peppers germinate best at soil temperatures between 75F and 85F.
Best Pepper Varieties for New Jersey
| Variety | Type | Notes |
| California Wonder | Sweet bell | Classic NJ garden pepper |
| Cubanelle | Sweet frying | Popular in NJ Italian-American gardens |
| Banana Pepper | Sweet / mild | Productive in NJ summers |
| Jalapeno Early | Hot | Matures faster in short-season areas |
| Hungarian Wax | Hot | Handles NJ humidity well |
| Shishito | Mild | Becoming popular across Central NJ |

When to Plant Vegetables in New Jersey
Soil Temperature Guide for Common Crops
A soil thermometer costs about $10 and removes guesswork. Check at 4 inches deep in the morning before transplanting warm-season crops.
| Crop | Min Soil Temp | Ideal Soil Temp |
| Peas | 40F | 45F to 65F |
| Lettuce | 40F | 45F to 65F |
| Spinach | 40F | 50F to 65F |
| Carrots | 45F | 55F to 75F |
| Beans | 60F | 65F to 85F |
| Cucumbers | 60F | 65F to 85F |
| Tomatoes | 60F | 65F to 75F |
| Peppers | 65F | 70F to 85F |
| Basil | 65F | 70F to 85F |
Cool-Season Vegetables for Early Planting
Cool-season crops tolerate frost and grow best with soil between 45F and 65F. Plant in early spring and again in late summer for a fall harvest. Peas germinate in cold soil and taste better after a light frost. Lettuce and spinach go in the ground in late March across most of New Jersey.
Warm-Season Vegetables After Last Frost
When to plant cucumbers in New Jersey: direct sow after May 10 in North NJ, after April 25 in South NJ. Soil should be 60F or warmer.
When to plant beans in New Jersey: direct sow from late April (South NJ) to mid-May (North NJ). Bush beans mature faster than pole beans, making them a better fit for short-season areas.
Fall Vegetables for a Second Harvest
Count backward from your first frost date. Broccoli needs 50 to 70 days. Kale needs 50 to 60 days. When to plant broccoli in New Jersey for fall: transplant August 1 to August 20 statewide.
Most NJ gardeners skip fall planting and miss 60 to 90 days of productive growing. The August window is short but the payoff runs through November.
Best Vegetables for New Jersey Beginners
| Vegetable | Why It Works | When to Plant |
| Bush Beans | Fast, no staking needed | May (direct sow) |
| Zucchini | Prolific and hard to fail | May (direct sow) |
| Lettuce | Fast harvest, cool-season | March to April |
| Radishes | 25 days from seed to harvest | March to May |
| Cherry Tomatoes | Forgiving and very productive | After last frost |
| Kale | Survives frost, minimal care | March or August |
When to Plant Fruit Trees and Berry Bushes in New Jersey
Apple, Pear, and Peach Trees
Plant bare-root apple and pear trees in late March while still dormant. Most apple varieties need two different cultivars for cross-pollination. Liberty and Freedom are disease-resistant choices that handle NJ humidity well.
Peach trees thrive in Zones 6 and 7. Plant bare-root trees in late March to early April. Reliance and Contender are the two NJ-hardy varieties most commonly recommended because they tolerate late frosts better than most.
When to Plant Blueberries in New Jersey

Plant blueberry bushes in early spring (March to April) or fall (September to October). Blueberries need acidic soil with pH 4.5 to 5.5. New Jersey’s Pine Barrens has naturally acidic sandy soil that suits them perfectly. For home gardens, Bluecrop, Duke, and Toro give mid-season harvests. Patriot and Northblue handle Zone 6 winters reliably.
Raspberries, Blackberries, and Other Berries
Plant raspberry canes in early spring while dormant. Heritage (fall-bearing) and Caroline are reliable across New Jersey. Blackberries do especially well in South Jersey. Triple Crown is a popular thornless variety that handles NJ summers.
Elderberries grow naturally throughout New Jersey and need almost no maintenance. Plant two different cultivars in spring for cross-pollination. Adams and Bob Gordon are widely available.
Figs, Grapes, Pawpaw, and Persimmons
Figs grow in the ground in South Jersey (Zone 7). In North Jersey, use large containers and move them into an unheated garage for winter. Brown Turkey and Chicago Hardy are the most cold-tolerant varieties.
Concord grapes handle Zone 6 reliably. Plant dormant vines in early spring. Pawpaw is a native NJ fruit tree that is cold-hardy, pest-resistant, and shade-tolerant. Plant two seedlings for cross-pollination. American persimmon is native to southern New Jersey, extremely cold-hardy, drought-tolerant once established, and more deer-resistant than most fruit trees.
When to Plant Herbs in New Jersey
Cool-Weather Herbs for Spring
Cilantro bolts fast in summer heat. Sow directly in March and succession plant every 3 weeks through May. Sow again in September for fall cilantro. Parsley germinates slowly at 3 to 4 weeks. Start indoors in late February or direct sow in April.
Warm-Season Herbs
Basil is the most cold-sensitive common herb. Wait until soil is 65F and nights stay above 55F. In NJ, that is after May 15 in North Jersey and after May 1 in South Jersey.
Rosemary is marginally hardy in Zone 6a. Treat as an annual in North NJ or overwinter in containers indoors. In South NJ (Zone 7b), it often survives with heavy mulch protection.
Perennial Herbs That Return Each Year
Thyme, oregano, chives, mint, lovage, and lemon balm are all perennial in New Jersey. Plant once and they return each spring.
Keep mint in a container only. It spreads by underground runners and will overtake raised beds and garden paths within one growing season.
When to Plant Flowers in New Jersey
Spring Bulbs and Cool-Season Annuals
Plant tulips, daffodils, hyacinths, and crocuses in October and November for spring blooms. These bulbs need cold stratification underground to flower properly.
Pansies and snapdragons tolerate frost. Transplant outdoors in April across most of New Jersey. They bloom through late spring before summer heat shuts them down.
Annual Flowers for Summer Color
Zinnias, marigolds, petunias, impatiens, and sunflowers go in after last frost. Sunflowers are the easiest: direct sow in May after soil hits 60F, germinating in 7 to 10 days.
Marigolds do double duty in NJ gardens. They deter Japanese beetles and other pests when planted along vegetable bed borders. Plant them as companion crops, not just decoration.
Perennial Flowers for New Jersey Gardens
Coneflowers, black-eyed Susans, daylilies, hostas, astilbe, and bee balm grow reliably across New Jersey without replanting. Plant perennials in spring or early fall to give them one full growing season to establish roots before winter.
Native Plants for New Jersey Gardens
Native plants are built for New Jersey conditions. They handle the state’s humidity, clay soils, and temperature swings better than most imported varieties. They also support native pollinators like bumblebees and monarch butterflies.
| Native Plant | Type | When to Plant |
| Butterfly Weed (Asclepias tuberosa) | Perennial flower | Spring, full sun |
| Joe-Pye Weed | Perennial flower | Spring or fall, moist soil |
| New England Aster | Perennial flower | Spring, attracts monarchs |
| Wild Bergamot (Bee Balm) | Perennial herb/flower | Spring, great for pollinators |
| Cardinal Flower | Perennial flower | Spring, moist spots, hummingbirds |
| American Beautyberry | Shrub | Spring, birds love the berries |
| Beach Plum | Shrub | Spring, coastal NJ, edible fruit |
| Switchgrass | Ornamental grass | Spring, very drought-tolerant |

Want to attract more bees, butterflies, and beneficial insects? Use our Pollinator Plant Finder to discover plants suited to your garden and local pollinators.
Native plants typically need no fertilizer and minimal watering once established. They are a practical choice for NJ gardeners who want lower-maintenance beds that still look good from spring through fall.
Best Crops to Grow in New Jersey Gardens
Best Vegetables for New Jersey
Tomatoes, peppers, zucchini, beans, cucumbers, sweet corn, and lettuce consistently perform well across the state. Leafy greens like kale and Swiss chard handle both spring and fall seasons.
New Jersey’s humid summers make disease-resistant varieties worth the extra effort to find. Defiant tomatoes and Liberty apples were both developed with NJ growing conditions in mind.
Best Fruit for New Jersey
Peaches, blueberries, and strawberries are the standout fruit crops for home NJ gardens. New Jersey is one of the leading blueberry- and peach-producing states in the United States, and for good reason. These crops are genuinely suited to the state’s climate.
For tree fruit in small gardens: semi-dwarf apple and peach trees produce full harvests in a fraction of the space a standard tree needs.
Best Herbs for New Jersey
Basil, parsley, chives, thyme, and oregano are the most practical herbs for NJ gardens. All are productive from late spring through fall. Chives and thyme come back every year without replanting.
Cilantro and dill do best in spring and again in fall. Both bolt quickly in NJ summer heat, so succession sowing in cool weather is the only way to keep them producing.
Best Flowers for New Jersey
Black-eyed Susans, coneflowers, zinnias, and marigolds are the most reliably productive flowers across New Jersey. They handle heat, tolerate occasional drought, and bloom for months without much attention.
For shade: hostas, astilbe, and impatiens all grow well in the partial to full shade common under NJ’s mature trees.
New Jersey Seed Starting Calendar
When to start seeds indoors in New Jersey depends on your last frost date. Use this calendar as your starting point.
Want personalized seed-starting dates for your area? Use the calculator below to determine when to start seeds indoors based on your local frost dates.
Seed Starting Date Calculator
Enter last frost & crop — find when to start seeds indoors
| Crop | Weeks Before Last Frost | North NJ Start Date | South NJ Start Date |
| Onions, Leeks | 12 to 14 weeks | Late January | Early January |
| Peppers | 10 to 12 weeks | Mid-February | Early February |
| Eggplant | 8 to 10 weeks | Late February | Mid-February |
| Tomatoes | 6 to 8 weeks | Mid-March | Early March |
| Broccoli (spring) | 6 to 8 weeks | Mid-March | Early March |
| Basil | 4 to 6 weeks | Early April | Late March |
| Cucumbers | 3 to 4 weeks | Mid-April | Late March |
| Squash | 3 to 4 weeks | Mid-April | Late March |

Hardening Off Seedlings Before Transplanting
Seedlings grown indoors need 7 to 10 days of gradual outdoor exposure before transplanting. Start with one hour of shade on day one and increase time and sun exposure daily.
Skip hardening off and transplants will sunburn, wilt, or suffer transplant shock even in warm weather. Leaves may turn white or curl even when temperatures are fine outdoors.
Planting in Raised Beds and Containers in New Jersey
Raised beds warm up 2 to 3 weeks earlier than in-ground soil. That lets NJ gardeners transplant cool crops earlier in spring and sometimes skip indoor starting for fast crops like radishes and lettuce.
Building new raised beds this season? Calculate how much soil you’ll need before planting using the tool below.
Raised Bed Soil Calculator
Enter bed dimensions — get exact soil volume & ingredients
Raised Bed Planting Adjustments
| Situation | Standard Date | Raised Bed Adjustment |
| Spring cool crops | March 15 | March 1 to March 7 |
| Tomato transplant (North NJ) | After May 10 | After May 1 to 5 |
| Fall broccoli transplant | August 10 | August 15 to 20 (drains fast) |
| Fall spinach direct sow | September 1 | Same timing, water more often |

Container Gardening in New Jersey
Containers dry out fast in NJ summers. Water daily in July and August. Use potting mix with compost, never straight garden soil. Black containers on south-facing decks can hit 90F soil temps in July, which stresses root vegetables badly. Use light-colored containers or wrap dark pots with burlap in peak summer.
Adding mulch helps retain moisture and reduce watering needs; use our mulch calculator to estimate the right amount for your garden beds or containers.
Common New Jersey Garden Pests and Diseases
Common Garden Pests in New Jersey
| Pest | Crops Affected | What to Do |
| Japanese Beetles | Beans, roses, grapes, basil | Hand-pick in morning, neem oil spray |
| Squash Vine Borer | Zucchini, squash | Row cover until flowering stage |
| Tomato Hornworm | Tomatoes, peppers | Hand-pick; white cocoons = beneficial wasp |
| Deer | Almost everything | Fencing is the only reliable solution |
| Groundhogs | Beans, peas, brassicas | Hardware cloth buried 12 inches deep |
Common Garden Diseases in New Jersey
New Jersey’s humid summers create ideal conditions for fungal diseases. Good airflow, proper spacing, and resistant varieties prevent most problems before they start.
| Disease | Crops Affected | Prevention |
| Early Blight | Tomatoes, potatoes | Mulch soil, avoid overhead watering |
| Late Blight | Tomatoes, potatoes | Use Defiant or Mountain Magic varieties |
| Powdery Mildew | Cucumbers, squash, phlox | Improve airflow, space plants properly |
| Downy Mildew | Lettuce, spinach, basil | Water in morning, thin plantings |
| Septoria Leaf Spot | Tomatoes | Remove infected leaves early, avoid wet foliage |

If you’re unsure whether a problem is caused by pests, disease, or nutrient deficiencies, try our Plant Diagnosis Tool for help identifying common plant issues.
New Jersey Planting Dates by Region
Northern New Jersey
Zones 6a and 6b. Last frost April 15 to May 1. First frost around October 1 to October 15. Growing season 165 to 175 days.
The Highlands and Kittatinny Ridge run 5 to 7 days colder than valley floors due to elevation. Late frosts in early May are common in these areas some years. Some valley locations in Warren and Sussex counties can run warmer than nearby higher elevations.
Central New Jersey
Zone 6b to 7a. Last frost April 1 to April 15. Growing season around 190 days.
Most planting charts apply cleanly to Central NJ. Slightly warmer than North NJ with more flexibility for early spring transplants and fall planting into October.
Southern New Jersey
Zones 7a and 7b. Last frost March 15 to April 1. Growing season can reach 220 days or more near Cape May.
South Jersey gardeners near the Pine Barrens work with naturally sandy, acidic soil. Excellent for blueberries and root vegetables but needs compost amendment for most other crops. The Cape May peninsula often sees the earliest spring warming and latest fall frost in the state.
Jersey Shore and Coastal Areas
The Atlantic Ocean moderates coastal temperatures. Springs run cooler than inland areas at the same latitude, but falls run significantly warmer.
The extended frost-free fall window means kale, spinach, and brassicas grow into November and sometimes December without row covers. Salt-spray-tolerant plants like ornamental grasses, sea holly, and beach plum are naturally suited to shore conditions.
Fall and Winter Gardening in New Jersey
Extending the Season with Row Covers
A single layer of row cover fabric raises air temperature by 4 to 6 degrees. That is often enough to extend NJ harvests 3 to 4 weeks past the first frost.
Cold frames extend the season further still. Spinach, mache, and kale survive NJ winters in a cold frame and can provide fresh greens in February when nothing else is growing outdoors.
Overwintering in New Jersey
- Garlic: plant in fall, harvest July of next year
- Asparagus: plant crowns in spring, harvest starts year three
- Horseradish: plant in spring, improves each year
- Perennial herbs: thyme, oregano, chives return each spring
- Strawberries: mulch crowns after hard frost below 25F in November
Common Planting Mistakes New Jersey Gardeners Make
Planting Warm Crops Too Early
The most common NJ garden mistake is moving tomatoes and peppers into the ground when days are warm but nights still drop below 50F.
Use these planting dates as a starting point, then adjust for your local frost dates and actual weather conditions. Cold nights stall growth for 2 to 3 weeks even if plants survive.
Ignoring Soil Temperature
A $10 soil thermometer removes all guesswork. Check at 4 inches deep before transplanting tomatoes, peppers, cucumbers, and beans. Air temperature is not the same as soil temperature.
Missing the Fall Planting Window
August 1 through August 20 is the window for fall brassica transplants statewide. Miss it and you lose the entire fall harvest for those crops. Most NJ gardeners skip fall entirely and leave 60 to 90 days of productive growing unused.
Skipping Soil Prep
Rutgers Cooperative Extension offers soil testing for NJ gardeners. The report tells you pH, nutrients, and what to add. Test every 2 to 3 years. Sandy Pine Barrens soil needs organic matter. Heavy clay in parts of North NJ needs amendment before it grows most crops well.
Improving sandy soil often starts with compost, and our compost calculator can help determine how much to add before planting.
Frequently Asked Questions about New Jersey Planting Calendar
When is the best time to start a garden in New Jersey (NJ)?
For most vegetables, start seeds indoors in late February to March. Move cool crops outdoors in April. Wait until after your last frost date before transplanting warm-season plants. That is late April to early May in North NJ and mid-April in South NJ.
What vegetables grow best in New Jersey?
Tomatoes, peppers, zucchini, beans, cucumbers, lettuce, kale, and sweet corn all grow well across New Jersey. Blueberries and peaches are the standout fruit crops. Cherry tomatoes are the most forgiving choice for beginners and containers.
What zone is New Jersey for gardening?
New Jersey spans USDA Zones 6a through 7b. Northern NJ is mostly Zone 6. Central NJ is Zone 6b to 7a. Southern NJ and shore areas are Zone 7a to 7b. Check your exact zone at planthardiness.ars.usda.gov using your ZIP code.
Can you garden year-round in New Jersey?
With row covers and cold frames, yes. Kale, spinach, mache, and carrots survive light frosts under protection. In South NJ, some greens grow outdoors through December. In North NJ, cold frames extend harvest to late November.
When should I plant garlic in New Jersey?
Plant garlic cloves from late September through October statewide. In South NJ, you can plant through early November. Garlic needs cold underground stratification over winter to bulb up properly. Harvest the following July when the lower leaves start to brown.
When should I plant tomatoes in New Jersey?
Plant tomatoes outdoors after the last frost has passed and soil temperature hits 60F at 4 inches deep. In North Jersey, that is typically after May 10. In South Jersey, transplanting often begins after April 20. Start seeds indoors 6 to 8 weeks before your last frost date.
When should I start seeds indoors in New Jersey(NJ)?
Start peppers and eggplant 10 to 12 weeks before your last frost (mid-February for most of NJ). Start tomatoes 6 to 8 weeks before last frost (mid-March in North NJ, early March in South NJ). Onions and leeks need 12 to 14 weeks, so they go under lights in late January. The full seed starting calendar with North and South NJ dates is in the dedicated section above.
What can I plant in New Jersey right now?
That depends on the month. In spring (March to April), plant cool crops like peas, lettuce, spinach, and broccoli. In late spring and summer (May to June), plant tomatoes, peppers, beans, and cucumbers after your last frost. In late summer (August to September), start fall crops like kale, spinach, arugula, and garlic. The quick-answer table at the top of this NJ planting calendar has a full month-by-month breakdown.
New Jersey Harvest Calendar
This harvest table works alongside the NJ planting calendar to plan your full growing season from seed to table. Timing shifts 1 to 2 weeks earlier in South NJ and 1 to 2 weeks later in North NJ.
| Crop | Typical Harvest Window | Notes |
| Peas | May to June | Pick before pods get starchy |
| Lettuce | Apr to Jun, Sep to Nov | Cut-and-come-again extends harvest |
| Spinach | Apr to May, Oct to Nov | Harvest before bolting in heat |
| Radishes | Apr to Jun, Sep to Oct | 25 to 30 days from sowing |
| Broccoli | May to Jun, Oct to Nov | Side shoots follow main head cut |
| Garlic | July | When lower 3 to 4 leaves brown |
| Beans | July to September | Pick every 2 to 3 days to keep producing |
| Cucumbers | July to September | Best flavor at 6 to 8 inches |
| Zucchini | July to September | Pick at 6 to 8 inches, do not let oversize |
| Tomatoes | July to October | NJ peak harvest in August |
| Peppers | July to October | Pick green or wait for full color |
| Sweet Corn | August | When silk turns brown, ear feels full |
| Winter Squash | Sep to October | Leave on vine until rind hardens |
| Kale | Sep to December | Flavor improves after first frost |
| Strawberries | May to June | June-bearing types, one main flush |
| Blueberries | July to August | Early, mid, and late varieties extend window |
| Peaches | July to August | Reliance and Contender peak mid-July in NJ |
| Apples | August to October | Early types Aug, Fuji and Honeycrisp Oct |
| Raspberries | Jun to Jul, Sep to Oct | Heritage gives a strong fall crop in NJ |
| Blackberries | July to August | Triple Crown peaks late July in South NJ |
Final Notes on the New Jersey Planting Calendar
No single NJ planting calendar covers every yard perfectly. Elevation, proximity to the shore or Delaware Bay, local microclimates, and even your specific neighborhood all shift your real frost dates by several days.
Use this New Jersey vegetable planting guide as your starting framework. The New Jersey growing season runs roughly 165 days in the north and over 220 days near Cape May. What can I plant now in New Jersey is a question that has a different answer every month, which is why tracking your own conditions over two to three seasons gives you a more accurate local guide than any chart can.
For research-backed regional advice, Rutgers NJAES Cooperative Extension is the best resource for Garden State gardeners. For zone lookup by ZIP code, use the USDA Plant Hardiness Zone Map.
Disclaimer: Gardening information on Garden Truth is for educational purposes only. Results vary by climate, soil, weather, and growing conditions. For region-specific advice, consult your local USDA/ New Jersey Cooperative Extension Service before making major gardening or soil changes
