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When to Plant Tatsoi in Brazoria County, TX

Tatsoi is a compact Asian green forming beautiful rosettes of dark, spoon-shaped leaves with a mild mustard flavor. It is extremely cold-hardy and versatile.

Brazoria County, Texas is in USDA Zone 9a. The average last spring frost is February 12 and the first fall frost is December 8, giving you a growing season of approximately 299 days.

At an elevation of 348 feet, Brazoria County receives approximately 71.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102Β°F, so Tatsoi may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Tatsoi will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Tatsoi root diseases.

Brazoria County, TX (Zone 9a) Year-round
299 days
Last Spring Frost February 12
299 growing days
First Fall Frost December 8

Brazoria County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.5-6.3

Drainage

Well Drained

Monthly Watering Guide for Tatsoi

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

Month Tatsoi Needs Rainfall You Supplement Action
Jan β€” 1.7" 0" ❄️ Dormant
Feb 4.3" 2.5" 1.8" πŸ’§ Light watering
Mar 4.3" 4.3" 0" βœ… Rainfall sufficient
Apr 4.3" 8.4" 0" βœ… Rainfall sufficient
May 4.3" 11.2" 0" βœ… Rainfall sufficient
Jun 4.3" 11.3" 0" βœ… Rainfall sufficient
Jul 4.3" 8" 0" βœ… Rainfall sufficient
Aug 4.3" 8.7" 0" βœ… Rainfall sufficient
Sep 4.3" 6.6" 0" βœ… Rainfall sufficient
Oct 4.3" 5.1" 0" βœ… Rainfall sufficient
Nov 4.3" 2.5" 1.8" πŸ’§ Light watering
Dec 4.3" 1.6" 2.7" 🚿 Regular watering

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

Tatsoi Planting Timeline β€” Brazoria County, TX

Tatsoi Planting Calendar

Activity When Date Range
Start Indoors January 15 Jan 15 – Jan 29
Transplant Outdoors February 12 Feb 12 – Feb 26
Direct Sow January 22 Jan 22 – Feb 12
Harvest March 19 Mar 19 – Apr 23
Fall Sowing October 13 Oct 13 – Oct 27

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

Month-by-Month Timeline

MonthActivities
January Start Indoors Direct Sow
February Transplant Outdoors Direct Sow
March Harvest
April Harvest
May β€”
June β€”
July β€”
August β€”
September β€”
October Fall Sowing
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 9a

πŸ“† Growing Season

299 days in Brazoria County

Growing Tips for Brazoria County

Direct sow in spring or fall. Tatsoi tolerates frost down to 15F. Harvest outer leaves or cut whole rosettes. Excellent in salads, stir-fries, or lightly wilted.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Tatsoi in Brazoria County, TX?

Brazoria County is in Zone 9a with an average last frost of February 12. Plan your Tatsoi planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Brazoria County, TX?

Brazoria County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 12 and first fall frost is December 8.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Brazoria County gardeners in Zone 9a 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 Brazoria County, TX. Local conditions may vary. Last updated: April 2026.