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When to Plant Mizuna in Haskell County, TX

Mizuna is a mild-flavored Japanese mustard green with feathery, deeply serrated leaves. It is fast-growing and makes an excellent addition to salads and stir-fries.

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 91ยฐF, providing good warmth for Mizuna during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mizuna 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

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (165 days to spare)
Start indoors: Feb 12 Transplant: Mar 19 🍅 Harvest: Apr 23 – May 21
Recommended (50%) ✓ Fits season (167 days to spare)
Start indoors: Feb 19 Transplant: Mar 26 🍅 Harvest: Apr 30 – May 28
Safe Start (90%) ✓ Fits season (162 days to spare)
Start indoors: Mar 11 Transplant: Apr 15 🍅 Harvest: May 20 – Jun 17

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 613 gal / 100 sq ft
Mizuna needs ~684 GDD — county provides 4,197 GDD Excellent fit

Mizuna Planting Timeline โ€” Haskell County, TX

Mizuna Planting Calendar

Activity When Date Range
Start Indoors February 19 Feb 19 โ€“ Mar 5
Transplant Outdoors March 26 Mar 26 โ€“ Apr 9
Direct Sow March 12 Mar 12 โ€“ Apr 2
Fall Sowing September 2 Sep 2 โ€“ Sep 16
Harvest April 30 Apr 30 โ€“ May 28

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

30โ€“45 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

230 days

Growing Tips for Haskell County

Direct sow in spring or fall. Harvest outer leaves as needed for a cut-and-come-again approach. Mizuna is one of the most cold-tolerant Asian greens.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Mizuna in Haskell County, TX?

Haskell County is in Zone 7b with an average last frost of March 26. Plan your Mizuna planting based on this frost date โ€” 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.

๐ŸŒฑ

Plan Your Garden with Confidence

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