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When to Plant Mizuna in Dawson 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.

Dawson County, Texas is in USDA Zone 7b. The average last spring frost is April 1 and the first fall frost is November 10, giving you a growing season of approximately 223 days.

At an elevation of 4,748 feet, Dawson County receives approximately 46.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102ยฐF, so Mizuna may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Mizuna will need more frequent watering and organic matter to retain nutrients.

Dawson County, TX (Zone 7b) Long season
223 days
Last Spring Frost April 1
223 growing days
First Fall Frost November 10

Dawson County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.4

Drainage

Well Drained

Monthly Watering Guide for Mizuna

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

Month Mizuna Needs Rainfall You Supplement Action
Jan โ€” 3.7" 0" โ„๏ธ Dormant
Feb โ€” 2.7" 0" โ„๏ธ Dormant
Mar โ€” 2.6" 0" โ„๏ธ Dormant
Apr 4.3" 1.6" 2.7" ๐Ÿšฟ Regular watering
May 4.3" 1" 3.3" ๐Ÿšฟ Regular watering
Jun 4.3" 1.9" 2.4" ๐Ÿšฟ Regular watering
Jul 4.3" 7.4" 0" โœ… Rainfall sufficient
Aug 4.3" 9.2" 0" โœ… Rainfall sufficient
Sep 4.3" 5.9" 0" โœ… Rainfall sufficient
Oct 4.3" 4.2" 0.1" ๐Ÿ’ง Light watering
Nov 4.3" 2.8" 1.5" ๐Ÿ’ง Light watering
Dec โ€” 3" 0" โ„๏ธ Dormant

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

Mizuna Planting Timeline โ€” Dawson County, TX

Mizuna 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 3
Fall Sowing September 1 Sep 1 โ€“ Sep 15

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 โ€”
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

30โ€“45 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 7b

๐Ÿ“† Growing Season

223 days in Dawson County

Growing Tips for Dawson 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mizuna in Dawson County, TX?

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

What planting zone is Dawson County, TX?

Dawson County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is April 1 and first fall frost is November 10.

๐ŸŒฑ

Plan Your Garden with Confidence

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