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When to Plant Komatsuna in Cleburne County, AL

Komatsuna (Japanese mustard spinach) is a versatile Asian green with glossy, dark leaves and a mild, sweet flavor. It is extremely cold-hardy and heat-tolerant.

Cleburne County, Alabama is in USDA Zone 7b. The average last spring frost is April 1 and the first fall frost is November 1, giving you a growing season of approximately 214 days.

At an elevation of 207 feet, Cleburne County receives approximately 57.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Komatsuna during the growing season. Clay soil retains moisture well for Komatsuna, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Komatsuna root diseases.

Cleburne County, AL (Zone 7b) Long season
214 days
Last Spring Frost April 1
214 growing days
First Fall Frost November 1

Cleburne County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Monthly Watering Guide for Komatsuna

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

Month Komatsuna Needs Rainfall You Supplement Action
Jan โ€” 4.9" 0" โ„๏ธ Dormant
Feb โ€” 3.9" 0" โ„๏ธ Dormant
Mar โ€” 6.1" 0" โ„๏ธ Dormant
Apr 4.3" 4.3" 0" โœ… Rainfall sufficient
May 4.3" 4.8" 0" โœ… Rainfall sufficient
Jun 4.3" 5.9" 0" โœ… Rainfall sufficient
Jul 4.3" 5.6" 0" โœ… Rainfall sufficient
Aug 4.3" 5.5" 0" โœ… Rainfall sufficient
Sep 4.3" 3.9" 0.4" ๐Ÿ’ง Light watering
Oct 4.3" 3.8" 0.5" ๐Ÿ’ง Light watering
Nov 4.3" 4.4" 0" โœ… Rainfall sufficient
Dec โ€” 4.7" 0" โ„๏ธ Dormant

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

Komatsuna Planting Timeline โ€” Cleburne County, AL

Komatsuna Planting Calendar

Activity When Date Range
Start Indoors February 25 Feb 25 โ€“ Mar 11
Transplant Outdoors April 1 Apr 1 โ€“ Apr 15
Direct Sow March 18 Mar 18 โ€“ Apr 8
Harvest May 6 May 6 โ€“ Jun 10
Fall Sowing August 23 Aug 23 โ€“ Sep 6

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
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

Partial Shade (3-6 hours)

๐Ÿ’ง Water

Moderate โ€” regular watering

๐Ÿ“… Days to Maturity

35โ€“50 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 7b

๐Ÿ“† Growing Season

214 days in Cleburne County

Growing Tips for Cleburne County

Direct sow in spring or fall. One of the most forgiving Asian greens for all seasons. Harvest outer leaves or cut whole plants. Excellent for stir-fries, soups, or salads.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Komatsuna in Cleburne County, AL?

Cleburne County is in Zone 7b with an average last frost of April 1. Plan your Komatsuna planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Cleburne County, AL?

Cleburne County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is April 1 and first fall frost is November 1.

๐ŸŒฑ

Plan Your Garden with Confidence

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