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When to Plant Tatsoi in Polk 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.

Polk County, Texas is in USDA Zone 8b. The average last spring frost is March 4 and the first fall frost is November 23, giving you a growing season of approximately 264 days.

At an elevation of 292 feet, Polk County receives approximately 63 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96ยฐF, so Tatsoi may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” 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.

Polk County, TX (Zone 8b) Long season
264 days
Last Spring Frost March 4
264 growing days
First Fall Frost November 23

Polk County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.2-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (197 days to spare)
Start indoors: Jan 15 Transplant: Feb 19 🍅 Harvest: Mar 26 – Apr 30
Recommended (50%) ✓ Fits season (194 days to spare)
Start indoors: Jan 28 Transplant: Mar 4 🍅 Harvest: Apr 8 – May 13
Safe Start (90%) ✓ Fits season (189 days to spare)
Start indoors: Feb 21 Transplant: Mar 28 🍅 Harvest: May 2 – Jun 6

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.

Soil Compatibility in Polk County

How your county's soil matches Tatsoi's growing requirements.

Soil pH

Your soil pH (5.2โ€“6.6) is more acidic than Tatsoi prefers (6.0โ€“7.5). Add garden lime to raise pH.

Soil Texture

Sandy soil in Polk County warms quickly in spring but drains fast. Tatsoi will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Tatsoi.

Organic Matter

Organic matter is moderate (2.3%). Annual compost additions will help Tatsoi.

How to Plant Tatsoi

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Tatsoi

9
successive plantings in your 264-day season

Sow every 4 weeks. Last sowing by Oct 04 to harvest before frost.

For a dedicated fall crop, sow by Sep 14.

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 700 gal / 100 sq ft

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 โ€” 1.4" 0" โ„๏ธ Dormant
Feb โ€” 2.4" 0" โ„๏ธ Dormant
Mar 4.3" 4" 0.3" ๐Ÿ’ง Light watering
Apr 4.3" 5.8" 0" โœ… Rainfall sufficient
May 4.3" 8.5" 0" โœ… Rainfall sufficient
Jun 4.3" 11.4" 0" โœ… Rainfall sufficient
Jul 4.3" 7" 0" โœ… Rainfall sufficient
Aug 4.3" 7.9" 0" โœ… Rainfall sufficient
Sep 4.3" 6.5" 0" โœ… Rainfall sufficient
Oct 4.3" 4.4" 0" โœ… Rainfall sufficient
Nov 4.3" 2.1" 2.2" ๐Ÿšฟ Regular watering
Dec โ€” 1.6" 0" โ„๏ธ Dormant

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

Tatsoi Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Tatsoi needs ~935 GDD — county provides 5,808 GDD Excellent fit

Tatsoi Planting Timeline โ€” Polk County, TX

Tatsoi Planting Calendar

Activity When Date Range
Start Indoors January 28 Jan 28 โ€“ Feb 11
Transplant Outdoors March 4 Mar 4 โ€“ Mar 18
Direct Sow February 18 Feb 18 โ€“ Mar 11
Harvest April 8 Apr 8 โ€“ May 13
Fall Sowing September 14 Sep 14 โ€“ Sep 28

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors Direct Sow
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

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

1"/week ยท Only during dry spells

๐Ÿ“… Days to Maturity

35โ€“50 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: too_acidic

๐Ÿ—บ๏ธ USDA Zone

Zone 8b

๐Ÿ“† Growing Season

264 days in Polk County

Growing Tips for Tatsoi in Polk County

Direct sow Tatsoi outdoors after March 04 in Polk County when soil has warmed and frost danger has passed.

Sandy soil in Polk County dries quickly โ€” mulch Tatsoi with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 96ยฐF in Polk County, provide afternoon shade for Tatsoi and water deeply in the morning.

Your generous 264.0-day season in Polk County allows multiple plantings of Tatsoi. Sow every 17.0 days for continuous harvest.

Common pests for Tatsoi in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Polk County, TX?

Polk County is in Zone 8b with an average last frost of March 4. Plan your Tatsoi planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Polk County, TX?

Polk County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 4 and first fall frost is November 23.

๐ŸŒฑ

Plan Your Garden with Confidence

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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 Polk County, TX. Local conditions may vary. Last updated: April 2026.