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When to Plant Chicory in Union County, KY

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.

Union County, Kentucky is in USDA Zone 6b. The average last spring frost is April 6 and the first fall frost is October 31, giving you a growing season of approximately 208 days.

At an elevation of 1,482 feet, Union County receives approximately 48.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86ยฐF, providing good warmth for Chicory during the growing season.

Union County, KY (Zone 6b) Long season
208 days
Last Spring Frost April 6
208 growing days
First Fall Frost October 31

Union County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (102 days to spare)
Start indoors: Feb 22 Transplant: Mar 29 🍅 Harvest: May 31 – Jul 12
Recommended (50%) ✓ Fits season (103 days to spare)
Start indoors: Mar 2 Transplant: Apr 6 🍅 Harvest: Jun 8 – Jul 20
Safe Start (90%) ✓ Fits season (110 days to spare)
Start indoors: Mar 13 Transplant: Apr 17 🍅 Harvest: Jun 19 – Jul 31

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.

Soil Compatibility in Union County

How your county's soil matches Chicory's growing requirements.

Soil pH

Your soil pH (5.4โ€“6.6) overlaps with Chicory's range (5.5โ€“7.0), though not a perfect match.

Soil Texture

The silt loam soil in Union County is excellent for Chicory โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.5%). Annual compost additions will help Chicory.

How to Plant Chicory

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Chicory

4
successive plantings in your 208-day season

Sow every 6.9 weeks. Last sowing by Aug 07 to harvest before frost.

For a dedicated fall crop, sow by Aug 22.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 27 gal / 100 sq ft
Chicory needs ~1,051 GDD — county provides 3,016 GDD Excellent fit

Chicory Planting Timeline โ€” Union County, KY

Chicory Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 โ€“ Mar 16
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Direct Sow March 23 Mar 23 โ€“ Apr 13
Fall Sowing August 22 Aug 22 โ€“ Sep 5
Harvest June 8 Jun 8 โ€“ Jul 20

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท Only during dry spells

๐Ÿ“… Days to Maturity

60โ€“85 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 6b

๐Ÿ“† Growing Season

208 days in Union County

Growing Tips for Chicory in Union County

Direct sow Chicory outdoors after April 06 in Union County when soil has warmed and frost danger has passed.

Common pests for Chicory in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Union County, KY?

Union County is in Zone 6b with an average last frost of April 6. Plan your Chicory planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Union County, KY?

Union County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 6 and first fall frost is October 31.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Union County gardeners in Zone 6b 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 Union County, KY. Local conditions may vary. Last updated: April 2026.