Blog

When to Plant Kale in DeWitt County, TX

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.

DeWitt County, Texas is in USDA Zone 8b. The average last spring frost is March 2 and the first fall frost is November 26, giving you a growing season of approximately 269 days.

At an elevation of 1,649 feet, DeWitt County receives approximately 62.1 inches of rainfall annually with predominantly loam soil. Summer highs average 91ยฐF, providing good warmth for Kale during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kale root diseases.

DeWitt County, TX (Zone 8b) Long season
269 days
Last Spring Frost March 2
269 growing days
First Fall Frost November 26

DeWitt County Soil Profile

Soil Type

Loam

Soil pH

6.8-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (158 days to spare)
Start indoors: Jan 14 Transplant: Feb 18 🍅 Harvest: Apr 15 – Jun 10
Recommended (50%) ✓ Fits season (157 days to spare)
Start indoors: Jan 26 Transplant: Mar 2 🍅 Harvest: Apr 27 – Jun 22
Safe Start (90%) ✓ Fits season (151 days to spare)
Start indoors: Feb 18 Transplant: Mar 25 🍅 Harvest: May 20 – Jul 15

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 DeWitt County

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

Soil pH

Your soil pH (6.8โ€“7.8) overlaps with Kale's range (6.0โ€“7.5), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Kale.

Organic Matter

Organic matter is low (1.9%). Add 2-3 inches of compost before planting 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

6
successive plantings in your 269-day season

Sow every 5.7 weeks. Last sowing by Sep 17 to harvest before frost.

For a dedicated fall crop, sow by Sep 17.

Plant Water Budget

Plant needs
0.8″/week
Rainfall provides
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 202 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

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€” 1.8" 0" โ„๏ธ Dormant
Feb โ€” 2.1" 0" โ„๏ธ Dormant
Mar 3.5" 4" 0" โœ… Rainfall sufficient
Apr 3.5" 5.9" 0" โœ… Rainfall sufficient
May 3.5" 9.1" 0" โœ… Rainfall sufficient
Jun 3.5" 11.3" 0" โœ… Rainfall sufficient
Jul 3.5" 6.9" 0" โœ… Rainfall sufficient
Aug 3.5" 7.9" 0" โœ… Rainfall sufficient
Sep 3.5" 5.6" 0" โœ… Rainfall sufficient
Oct 3.5" 3.7" 0" โœ… Rainfall sufficient
Nov 3.5" 2.3" 1.2" ๐Ÿ’ง Light watering
Dec โ€” 1.5" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in DeWitt 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 4,909 GDD Excellent fit

Kale Planting Timeline โ€” DeWitt County, TX

Kale Planting Calendar

Activity When Date Range
Start Indoors January 26 Jan 26 โ€“ Feb 9
Transplant Outdoors March 2 Mar 2 โ€“ Mar 16
Direct Sow February 16 Feb 16 โ€“ Mar 9
Harvest April 27 Apr 27 โ€“ Jun 22
Fall Sowing September 17 Sep 17 โ€“ Oct 1

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.8"/week ยท Only during dry spells

๐Ÿ“… Days to Maturity

50โ€“70 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 8b

๐Ÿ“† Growing Season

269 days in DeWitt County

Growing Tips for Kale in DeWitt County

Direct sow Kale outdoors after March 02 in DeWitt County when soil has warmed and frost danger has passed.

Summer highs in DeWitt 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 DeWitt County, TX?

DeWitt County is in Zone 8b with an average last frost of March 2. Plan your Kale planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is DeWitt County, TX?

DeWitt County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 2 and first fall frost is November 26.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help DeWitt County gardeners in Zone 8b 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 DeWitt County, TX. Local conditions may vary. Last updated: April 2026.