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When to Plant Mizuna in Falls 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.

Falls County, Texas is in USDA Zone 8a. The average last spring frost is March 17 and the first fall frost is November 13, giving you a growing season of approximately 241 days.

At an elevation of 66 feet, Falls County receives approximately 66.1 inches of rainfall annually with predominantly clay soil. Summer highs average 97ยฐF, so Mizuna may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Mizuna, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mizuna root diseases.

Falls County, TX (Zone 8a) Long season
241 days
Last Spring Frost March 17
241 growing days
First Fall Frost November 13

Falls County Soil Profile

Soil Type

Clay

Soil pH

7.1-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (184 days to spare)
Start indoors: Jan 30 Transplant: Mar 6 🍅 Harvest: Apr 10 – May 8
Recommended (50%) ✓ Fits season (178 days to spare)
Start indoors: Feb 10 Transplant: Mar 17 🍅 Harvest: Apr 21 – May 19
Safe Start (90%) ✓ Fits season (171 days to spare)
Start indoors: Mar 4 Transplant: Apr 8 🍅 Harvest: May 13 – Jun 10

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Mizuna needs ~853 GDD — county provides 5,482 GDD Excellent fit

Mizuna Planting Timeline โ€” Falls County, TX

Mizuna Planting Calendar

Activity When Date Range
Start Indoors February 10 Feb 10 โ€“ Feb 24
Transplant Outdoors March 17 Mar 17 โ€“ Mar 31
Direct Sow March 3 Mar 3 โ€“ Mar 24
Fall Sowing September 4 Sep 4 โ€“ Sep 18
Harvest April 21 Apr 21 โ€“ May 19

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Transplant Outdoors Direct Sow
April 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 8a

Growing Season

241 days

Growing Tips for Falls 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 Falls County, TX?

Falls County is in Zone 8a with an average last frost of March 17. Plan your Mizuna planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Falls County, TX?

Falls County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 17 and first fall frost is November 13.

๐ŸŒฑ

Plan Your Garden with Confidence

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