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When to Plant Echinacea in Morgan County, KY

Echinacea (purple coneflower) is a native prairie perennial valued for its immune-supporting properties and beautiful daisy-like flowers that attract pollinators.

Morgan County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 21, giving you a growing season of approximately 186 days.

At an elevation of 3,954 feet, Morgan County receives approximately 52.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89ยฐF, providing good warmth for Echinacea during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Echinacea root diseases.

Morgan County, KY (Zone 6b) Moderate season
186 days
Last Spring Frost April 18
186 growing days
First Fall Frost October 21

Morgan County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 17 🍅 Harvest: Aug 21 – Oct 30
Recommended (50%) ✗ May not fit
Transplant: Apr 25 🍅 Harvest: Aug 29 – Nov 7
Safe Start (90%) ✗ May not fit
Transplant: May 13 🍅 Harvest: Sep 16 – Nov 25

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
0.5″/week
Rainfall provides
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Echinacea needs ~2,512 GDD — county provides 3,115 GDD Good fit

Echinacea Planting Timeline โ€” Morgan County, KY

Echinacea Planting Calendar

Activity When Date Range
Transplant Outdoors April 25 Apr 25 โ€“ May 9
Harvest August 29 Aug 29 โ€“ Nov 7

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Transplant Outdoors
May Transplant Outdoors
June โ€”
July โ€”
August Harvest
September Harvest
October Harvest
November Harvest
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

120โ€“180 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6b

Growing Season

186 days

Growing Tips for Morgan County

Start seeds indoors 8-10 weeks before last frost or direct sow in fall for spring germination. Seeds need cold stratification. Deadhead to prolong blooming or leave seed heads for birds.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Echinacea in Morgan County, KY?

Morgan County is in Zone 6b with an average last frost of April 18. Plan your Echinacea planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Morgan County, KY?

Morgan County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 21.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Morgan County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

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