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When to Plant Kohlrabi in Terry County, TX

Kohlrabi is an unusual brassica that forms a swollen stem above ground with a mild, sweet turnip-like flavor. Both the bulb and tender leaves are edible.

Terry County, Texas is in USDA Zone 7a. The average last spring frost is April 6 and the first fall frost is November 7, giving you a growing season of approximately 215 days.

At an elevation of 4,751 feet, Terry County receives approximately 48.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 99ยฐF, so Kohlrabi may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Kohlrabi will need more frequent watering and organic matter to retain nutrients.

Terry County, TX (Zone 7a) Long season
215 days
Last Spring Frost April 6
215 growing days
First Fall Frost November 7

Terry County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.7-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (135 days to spare)
Start indoors: Feb 19 Transplant: Mar 26 🍅 Harvest: May 14 – Jun 18
Recommended (50%) ✓ Fits season (131 days to spare)
Start indoors: Mar 2 Transplant: Apr 6 🍅 Harvest: May 25 – Jun 29
Safe Start (90%) ✓ Fits season (128 days to spare)
Start indoors: Mar 17 Transplant: Apr 21 🍅 Harvest: Jun 9 – Jul 14

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 Terry County

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

Soil pH

Your soil pH (7.7โ€“8.4) is more alkaline than Kohlrabi prefers (6.0โ€“7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Terry County warms quickly in spring but drains fast. Kohlrabi will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

Organic matter is low (1.0%). Add 2-3 inches of compost before planting Kohlrabi.

How to Plant Kohlrabi

0.5"
Planting Depth
4"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Kohlrabi

5
successive plantings in your 215-day season

Sow every 5.1 weeks. Last sowing by Sep 03 to harvest before frost.

For a dedicated fall crop, sow by Aug 29.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Kohlrabi

Kohlrabi needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Kohlrabi Needs Rainfall You Supplement Action
Jan โ€” 3.8" 0" โ„๏ธ Dormant
Feb โ€” 3" 0" โ„๏ธ Dormant
Mar โ€” 2.5" 0" โ„๏ธ Dormant
Apr 3" 1.9" 1.1" ๐Ÿ’ง Light watering
May 3" 1.1" 1.9" ๐Ÿšฟ Regular watering
Jun 3" 1.7" 1.3" ๐Ÿ’ง Light watering
Jul 3" 7.6" 0" โœ… Rainfall sufficient
Aug 3" 9.5" 0" โœ… Rainfall sufficient
Sep 3" 7" 0" โœ… Rainfall sufficient
Oct 3" 4.3" 0" โœ… Rainfall sufficient
Nov 3" 3.1" 0" โœ… Rainfall sufficient
Dec โ€” 3" 0" โ„๏ธ Dormant

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

Kohlrabi 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.

Kohlrabi needs ~1,334 GDD — county provides 5,213 GDD Excellent fit

Kohlrabi Planting Timeline โ€” Terry County, TX

Kohlrabi Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 โ€“ Mar 16
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Direct Sow March 23 Mar 23 โ€“ Apr 13
Harvest May 25 May 25 โ€“ Jun 29
Fall Sowing August 29 Aug 29 โ€“ Sep 12

Plant 0.5" deep ยท 4" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.7"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

45โ€“65 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

215 days in Terry County

Growing Tips for Kohlrabi in Terry County

Direct sow Kohlrabi outdoors after April 06 in Terry County when soil has warmed and frost danger has passed.

Sandy soil in Terry County dries quickly โ€” mulch Kohlrabi with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 99ยฐF in Terry County, provide afternoon shade for Kohlrabi and water deeply in the morning.

Your generous 215.0-day season in Terry County allows multiple plantings of Kohlrabi. Sow every 22.0 days for continuous harvest.

Common pests for Kohlrabi 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 in spring or fall. Harvest when bulbs are 2-3 inches in diameter for best texture and flavor. Larger bulbs may become woody and fibrous.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Kohlrabi in Terry County, TX?

Terry County is in Zone 7a with an average last frost of April 6. Plan your Kohlrabi planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Terry County, TX?

Terry County, Texas is in USDA Hardiness Zone 7a. The average last spring frost is April 6 and first fall frost is November 7.

๐ŸŒฑ

Plan Your Garden with Confidence

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