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When to Plant Kale in Greene County, AL

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.

Greene County, Alabama is in USDA Zone 7b. The average last spring frost is March 20 and the first fall frost is November 11, giving you a growing season of approximately 236 days.

At an elevation of 128 feet, Greene County receives approximately 61.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Kale during the growing season. Clay soil retains moisture well for Kale, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kale root diseases.

Greene County, AL (Zone 7b) Long season
236 days
Last Spring Frost March 20
236 growing days
First Fall Frost November 11

Greene County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (124 days to spare)
Start indoors: Feb 3 Transplant: Mar 10 🍅 Harvest: May 5 – Jun 30
Recommended (50%) ✓ Fits season (124 days to spare)
Start indoors: Feb 13 Transplant: Mar 20 🍅 Harvest: May 15 – Jul 10
Safe Start (90%) ✓ Fits season (119 days to spare)
Start indoors: Mar 5 Transplant: Apr 9 🍅 Harvest: Jun 4 – Jul 30

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 Greene County

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

Soil pH

Your soil pH (5.5โ€“6.6) overlaps with Kale's range (6.0โ€“7.5), though not a perfect match.

Soil Texture

The clay loam soil in Greene County is excellent for Kale โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.1%). Annual compost additions will help Kale.

How to Plant Kale

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 Kale

5
successive plantings in your 236-day season

Sow every 5.7 weeks. Last sowing by Sep 02 to harvest before frost.

For a dedicated fall crop, sow by Sep 02.

Plant Water Budget

Plant needs
0.8″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Kale

Kale needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.

Month Kale Needs Rainfall You Supplement Action
Jan โ€” 5.4" 0" โ„๏ธ Dormant
Feb โ€” 5.7" 0" โ„๏ธ Dormant
Mar 3.5" 5.7" 0" โœ… Rainfall sufficient
Apr 3.5" 4.7" 0" โœ… Rainfall sufficient
May 3.5" 5.1" 0" โœ… Rainfall sufficient
Jun 3.5" 4.9" 0" โœ… Rainfall sufficient
Jul 3.5" 6" 0" โœ… Rainfall sufficient
Aug 3.5" 5.6" 0" โœ… Rainfall sufficient
Sep 3.5" 4.9" 0" โœ… Rainfall sufficient
Oct 3.5" 3.8" 0" โœ… Rainfall sufficient
Nov 3.5" 5.4" 0" โœ… Rainfall sufficient
Dec โ€” 4.6" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Greene County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Kale Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Kale needs ~1,095 GDD — county provides 4,307 GDD Excellent fit

Kale Planting Timeline โ€” Greene County, AL

Kale Planting Calendar

Activity When Date Range
Start Indoors February 13 Feb 13 โ€“ Feb 27
Transplant Outdoors March 20 Mar 20 โ€“ Apr 3
Direct Sow March 6 Mar 6 โ€“ Mar 27
Harvest May 15 May 15 โ€“ Jul 10
Fall Sowing September 2 Sep 2 โ€“ Sep 16

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.8"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

50โ€“70 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 7b

๐Ÿ“† Growing Season

236 days in Greene County

Growing Tips for Kale in Greene County

Direct sow Kale outdoors after March 20 in Greene County when soil has warmed and frost danger has passed.

With Greene County's clay soil (34% clay), work in 3-4 inches of compost before planting Kale. Avoid tilling when soil is wet to prevent compaction.

Summer highs in Greene County reach 91ยฐF โ€” grow Kale as a spring or fall crop. Use shade cloth if planting in summer.

Common pests for Kale in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

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 →

๐ŸŒพ 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 35ยฐF, under 50% humidity.

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

Frequently Asked Questions

When should I plant Kale in Greene County, AL?

Greene County is in Zone 7b with an average last frost of March 20. Plan your Kale planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Greene County, AL?

Greene County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 20 and first fall frost is November 11.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Greene County gardeners in Zone 7b 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 Greene County, AL. Local conditions may vary. Last updated: April 2026.