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When to Plant Chicory in Nobles County, MN

Chicory is a hardy perennial grown for its bitter leaves and roots. The roots can be roasted as a coffee substitute, and the leaves add complexity to salads.

Nobles County, Minnesota is in USDA Zone 4b. The average last spring frost is May 2 and the first fall frost is October 2, giving you a growing season of approximately 153 days.

At an elevation of 553 feet, Nobles County receives approximately 39.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80ยฐF, so choose short-season varieties of Chicory to ensure they mature before fall.

Nobles County, MN (Zone 4b) Moderate season
153 days
Last Spring Frost May 2
153 growing days
First Fall Frost October 2

Nobles County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (46 days to spare)
Start indoors: Mar 16 Transplant: Apr 27 🍅 Harvest: Jun 29 – Aug 10
Recommended (50%) ✓ Fits season (48 days to spare)
Start indoors: Mar 21 Transplant: May 2 🍅 Harvest: Jul 4 – Aug 15
Safe Start (90%) ✓ Fits season (45 days to spare)
Start indoors: Apr 4 Transplant: May 16 🍅 Harvest: Jul 18 – Aug 29

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Chicory needs ~725 GDD — county provides 1,530 GDD Excellent fit

Chicory Planting Timeline โ€” Nobles County, MN

Chicory Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 โ€“ Apr 4
Transplant Outdoors May 2 May 2 โ€“ May 16
Direct Sow April 25 Apr 25 โ€“ May 16
Fall Sowing July 10 Jul 10 โ€“ Jul 24
Harvest July 4 Jul 4 โ€“ Aug 15

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors
April Start Indoors Direct Sow
May Transplant Outdoors Direct Sow
June โ€”
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€“85 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 4b

Growing Season

153 days

Growing Tips for Nobles County

Sow seeds directly in spring. Thin plants to 8-12 inches apart. For forcing, dig roots in fall and replant in a dark, cool area to produce blanched chicons.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Chicory in Nobles County, MN?

Nobles County is in Zone 4b with an average last frost of May 2. Plan your Chicory planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Nobles County, MN?

Nobles County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is May 2 and first fall frost is October 2.

๐ŸŒฑ

Plan Your Garden with Confidence

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