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When to Plant Carrots in Burlington County, NJ

Carrots are a popular root vegetable available in orange, purple, white, and yellow varieties. They are rich in beta-carotene and have a sweet, earthy flavor.

Burlington County, New Jersey is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is November 2, giving you a growing season of approximately 207 days.

At an elevation of 185 feet, Burlington County receives approximately 38.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94ยฐF, providing good warmth for Carrots during the growing season.

Burlington County, NJ (Zone 7a) Long season
207 days
Last Spring Frost April 9
207 growing days
First Fall Frost November 2

Burlington County Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (109 days to spare)
Transplant: Mar 30 🍅 Harvest: Jun 1 – Jul 6
Recommended (50%) ✓ Fits season (109 days to spare)
Transplant: Apr 9 🍅 Harvest: Jun 11 – Jul 16
Safe Start (90%) ✓ Fits season (114 days to spare)
Transplant: May 3 🍅 Harvest: Jul 5 – Aug 9

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Carrots needs ~1,435 GDD — county provides 4,243 GDD Excellent fit

Carrots Planting Timeline โ€” Burlington County, NJ

Carrots Planting Calendar

Activity When Date Range
Direct Sow March 26 Mar 26 โ€“ Apr 16
Fall Sowing August 24 Aug 24 โ€“ Sep 7
Harvest May 28 May 28 โ€“ Jul 2

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow
May Harvest
June Harvest
July Harvest
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“80 days

Soil pH

6 โ€“ 6.8

USDA Zone

Zone 7a

Growing Season

207 days

Growing Tips for Burlington County

Sow seeds directly in loose, stone-free soil for straight roots. Keep soil moist until germination which can take 2-3 weeks. Thin seedlings to 2 inches apart.

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip

Level Up Your Garden

๐ŸŒพ Save Your Own Carrots Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Replant roots for 2nd year flowers. Harvest umbels when brown.
Storage Store airtight; viable 3 years at 35ยฐF, under 50% humidity.

Isolate 1/2 mile from Queen Anne's Lace (wild carrot). Biennial โ€” requires two seasons.

Frequently Asked Questions

When should I plant Carrots in Burlington County, NJ?

Burlington County is in Zone 7a with an average last frost of April 9. Plan your Carrots planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Burlington County, NJ?

Burlington County, New Jersey is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is November 2.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Burlington County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Burlington County, NJ. Local conditions may vary. Last updated: April 2026.