Blog

When to Plant Komatsuna in Haskell County, TX

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.

Haskell County, Texas is in USDA Zone 7b. The average last spring frost is March 26 and the first fall frost is November 11, giving you a growing season of approximately 230 days.

At an elevation of 3,062 feet, Haskell County receives approximately 54.8 inches of rainfall annually with predominantly loam soil. Summer highs average 91Β°F, providing good warmth for Komatsuna during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Komatsuna root diseases.

Haskell County, TX (Zone 7b) Long season
230 days
Last Spring Frost March 26
230 growing days
First Fall Frost November 11

Haskell County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.5

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 β€” 1.3" 0" ❄️ Dormant
Feb β€” 1.7" 0" ❄️ Dormant
Mar 4.3" 3.1" 1.2" πŸ’§ Light watering
Apr 4.3" 5.2" 0" βœ… Rainfall sufficient
May 4.3" 8.5" 0" βœ… Rainfall sufficient
Jun 4.3" 9.3" 0" βœ… Rainfall sufficient
Jul 4.3" 7" 0" βœ… Rainfall sufficient
Aug 4.3" 7.1" 0" βœ… Rainfall sufficient
Sep 4.3" 4.7" 0" βœ… Rainfall sufficient
Oct 4.3" 3.8" 0.5" πŸ’§ Light watering
Nov 4.3" 1.7" 2.6" 🚿 Regular watering
Dec β€” 1.4" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Haskell County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Komatsuna Planting Timeline β€” Haskell County, TX

Komatsuna Planting Calendar

Activity When Date Range
Start Indoors February 19 Feb 19 – Mar 5
Transplant Outdoors March 26 Mar 26 – Apr 9
Direct Sow March 12 Mar 12 – Apr 2
Harvest April 30 Apr 30 – Jun 4
Fall Sowing September 2 Sep 2 – Sep 16

Plant 0.5" deep Β· 6" apart Β· Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

35–50 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

230 days in Haskell County

Growing Tips for Haskell 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 Haskell County, TX?

Haskell County is in Zone 7b with an average last frost of March 26. Plan your Komatsuna planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Haskell County, TX?

Haskell County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 26 and first fall frost is November 11.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Haskell 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 Haskell County, TX. Local conditions may vary. Last updated: April 2026.