Blog

When to plant Kale in Madison County, KY

For Kale in Madison County, the safe spring window opens around April 1 and closes around April 22. Last expected frost is April 15, first fall frost October 24, giving a 192-day growing season. A second sowing from August 15 to August 29 extends the harvest into fall.

When to Plant Kale in Madison County, KY

Kale

Kale is an exceptionally hardy, nutrient-dense green available in curly, lacinato, and Russian varieties. It tolerates heavy frost and often tastes sweeter after cold exposure.

Madison County, Kentucky is in USDA Zone 7a. The average last spring frost is April 15 and the first fall frost is October 24, giving you a growing season of approximately 192 days.

At an elevation of 3,082 feet, Madison County receives approximately 53.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Kale during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kale root diseases.

Madison County, KY (Zone 7a) Moderate season
192 days
Last Spring Frost April 15
192 growing days
First Fall Frost October 24

Madison County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7.1

Drainage

Well Drained

Monthly Watering Guide for Kale

Kale needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Kale Needs Rainfall You Supplement Action
Jan 4.3" 0" ❄️ Dormant
Feb 4.3" 0" ❄️ Dormant
Mar 4.5" 0" ❄️ Dormant
Apr 4.3" 4.3" 0" ✅ Rainfall sufficient
May 4.3" 4.6" 0" ✅ Rainfall sufficient
Jun 4.3" 5.2" 0" ✅ Rainfall sufficient
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 5.3" 0" ✅ Rainfall sufficient
Sep 4.3" 4.5" 0" ✅ Rainfall sufficient
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 4.1" 0" ❄️ Dormant
Dec 4.7" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Madison County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Kale Planting Timeline — Madison County, KY

Kale Planting Calendar

Activity When Date Range
Start Indoors March 11 Mar 11 – Mar 25
Transplant Outdoors April 15 Apr 15 – Apr 29
Direct Sow April 1 Apr 1 – Apr 22
Harvest June 10 Jun 10 – Aug 5
Fall Sowing August 15 Aug 15 – Aug 29

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

192 days in Madison County

Growing Tips for Madison County

Direct sow or transplant in early spring or late summer. Harvest outer leaves first to keep plants productive. Kale overwinters in many climates and can provide greens all year.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Kale Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Allow 2nd year flower stalks to dry. Harvest pods when tan.
Storage Store airtight; viable 5 years at 35°F, under 50% humidity.

Isolate 1/2 mile from other brassicas (broccoli, cabbage, etc.) — they all cross.

Frequently Asked Questions

When should I plant Kale in Madison County, KY?

Madison County is in Zone 7a with an average last frost of April 15. Plan your Kale planting based on this frost date — see the calendar above for exact timing.

What planting zone is Madison County, KY?

Madison County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 15 and first fall frost is October 24.

When should I plant Kale in Madison County, KY?

In Madison County, KY, plant Kale after the last frost (around April 15) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Madison County, KY for Kale?

Madison County sits in USDA Zone 7a. Kale grows reliably in zones 2a through 11b, so it's a good fit here.

Can Kale grow in Madison County's climate?

Yes — Kale grows well in Madison County's temperate climate. Madison County averages a 192-day frost-free season, with last frost around April 15 and first frost around October 24.

🌱

Your Madison County Garden Planner — Free

A 22-page printable planner built for Madison 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 Madison County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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