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When to Plant Carrots in Lincoln County, WI

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.

Lincoln County, Wisconsin is in USDA Zone 4a. The average last spring frost is May 19 and the first fall frost is September 28, giving you a growing season of approximately 132 days.

At an elevation of 1,129 feet, Lincoln County receives approximately 37.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81ยฐF, so choose short-season varieties of Carrots to ensure they mature before fall.

Lincoln County, WI (Zone 4a) Short season
132 days
Last Spring Frost May 19
132 growing days
First Fall Frost September 28

Lincoln County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (32 days to spare)
Transplant: May 13 🍅 Harvest: Jul 15 – Aug 19
Recommended (50%) ✓ Fits season (34 days to spare)
Transplant: May 19 🍅 Harvest: Jul 21 – Aug 25
Safe Start (90%) ✓ Fits season (31 days to spare)
Transplant: Jun 2 🍅 Harvest: Aug 4 – Sep 8

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Carrots needs ~752 GDD — county provides 1,419 GDD Excellent fit

Carrots Planting Timeline โ€” Lincoln County, WI

Carrots Planting Calendar

Activity When Date Range
Direct Sow May 12 May 12 โ€“ Jun 2
Fall Sowing July 6 Jul 6 โ€“ Jul 20
Harvest July 14 Jul 14 โ€“ Aug 18

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Direct Sow
June Direct Sow
July Fall Sowing Harvest
August Harvest
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 4a

Growing Season

132 days

Growing Tips for Lincoln 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 Lincoln County, WI?

Lincoln County is in Zone 4a with an average last frost of May 19. Plan your Carrots planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lincoln County, WI?

Lincoln County, Wisconsin is in USDA Hardiness Zone 4a. The average last spring frost is May 19 and first fall frost is September 28.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Lincoln County gardeners in Zone 4a 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 Lincoln County, WI. Local conditions may vary. Last updated: April 2026.