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When to Plant Carrots in Kane County, IL

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.

Kane County, Illinois is in USDA Zone 5a. The average last spring frost is April 23 and the first fall frost is October 17, giving you a growing season of approximately 177 days.

At an elevation of 699 feet, Kane County receives approximately 35.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Carrots during the growing season.

Kane County, IL (Zone 5a) Moderate season
177 days
Last Spring Frost April 23
177 growing days
First Fall Frost October 17

Kane County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (78 days to spare)
Transplant: Apr 18 🍅 Harvest: Jun 20 – Jul 25
Recommended (50%) ✓ Fits season (79 days to spare)
Transplant: Apr 23 🍅 Harvest: Jun 25 – Jul 30
Safe Start (90%) ✓ Fits season (76 days to spare)
Transplant: May 10 🍅 Harvest: Jul 12 – Aug 16

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
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 311 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Carrots needs ~962 GDD — county provides 2,433 GDD Excellent fit

Carrots Planting Timeline โ€” Kane County, IL

Carrots Planting Calendar

Activity When Date Range
Direct Sow April 9 Apr 9 โ€“ Apr 30
Fall Sowing August 8 Aug 8 โ€“ Aug 22
Harvest June 11 Jun 11 โ€“ Jul 16

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Direct Sow
May โ€”
June Harvest
July Harvest
August Fall Sowing
September โ€”
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 5a

Growing Season

177 days

Growing Tips for Kane 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 Kane County, IL?

Kane County is in Zone 5a with an average last frost of April 23. Plan your Carrots planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Kane County, IL?

Kane County, Illinois is in USDA Hardiness Zone 5a. The average last spring frost is April 23 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Kane County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.

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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 Kane County, IL. Local conditions may vary. Last updated: April 2026.