Blog

When to plant Borage in Clay County, KY

Clay County's spring Borage window runs April 4 through April 25. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 13 to August 27 extends the harvest into fall.

When to Plant Borage in Clay County, KY

Borage is a self-seeding annual herb with star-shaped blue flowers that attract pollinators. Its leaves have a cucumber-like flavor and the flowers are edible.

Clay County, Kentucky is in USDA Zone 7a. The average last spring frost is April 18 and the first fall frost is October 22, giving you a growing season of approximately 187 days.

At an elevation of 2,567 feet, Clay County receives approximately 54.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Borage during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Borage root diseases.

Clay County, KY (Zone 7a) Moderate season
187 days
Last Spring Frost April 18
187 growing days
First Fall Frost October 22

Clay County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Borage Planting Timeline — Clay County, KY

Borage Planting Calendar

Activity When Date Range
Start Indoors March 14 Mar 14 – Mar 28
Transplant Outdoors April 11 Apr 11 – Apr 25
Direct Sow April 4 Apr 4 – Apr 25
Harvest June 6 Jun 6 – Jul 25
Fall Sowing August 13 Aug 13 – Aug 27

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

50–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

187 days in Clay County

Growing Tips for Clay County

Direct sow in spring as borage does not transplant well. Allow some plants to go to seed for next year. Young leaves are best; older leaves become bristly.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Borage in Clay County, KY?

Clay County is in Zone 7a with an average last frost of April 18. Plan your Borage planting based on this frost date — see the calendar above for exact timing.

What planting zone is Clay County, KY?

Clay County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 18 and first fall frost is October 22.

When should I plant Borage in Clay County, KY?

In Clay County, KY, plant Borage after the last frost (around April 18) and before the first frost (around October 22). Best results when soil holds above 50°F.

What growing zone is Clay County, KY for Borage?

Clay County sits in USDA Zone 7a. Borage grows reliably in zones 3a through 11b, so it's a good fit here.

Can Borage grow in Clay County's climate?

Yes — Borage grows well in Clay County's temperate climate. Clay County averages a 187-day frost-free season, with last frost around April 18 and first frost around October 22.

🌱

Your Clay County Garden Planner — Free

A 22-page printable planner built for Clay County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.