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When to Plant Komatsuna in Anderson County, TX

Anderson County, Texas Zone 8b May

Your May gardening checklist

May is a pivotal month for Anderson County, Texas gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost March 6
Avg. first frost November 16
Soil temp (4") 73°F
Watering Low
Pest pressure High
Daylight 13.6 hrs
  1. Bring in the komatsuna

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

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Komatsuna (Japanese mustard spinach) is a versatile Asian green with glossy, dark leaves and a mild, sweet flavor. It is extremely cold-hardy and heat-tolerant.

Anderson County, Texas is in USDA Zone 8b. The average last spring frost is March 6 and the first fall frost is November 16, giving you a growing season of approximately 255 days.

At an elevation of 86 feet, Anderson County receives approximately 73.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°F, so Komatsuna may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Komatsuna will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Komatsuna root diseases.

Anderson County, TX (Zone 8b) Long season
255 days
Last Spring Frost March 6
255 growing days
First Fall Frost November 16

Anderson County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.4-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (188 days to spare)
Start indoors: Jan 23 Transplant: Feb 27 🍅 Harvest: Apr 3 – May 8
Recommended (50%) ✓ Fits season (185 days to spare)
Start indoors: Jan 30 Transplant: Mar 6 🍅 Harvest: Apr 10 – May 15
Safe Start (90%) ✓ Fits season (184 days to spare)
Start indoors: Feb 17 Transplant: Mar 24 🍅 Harvest: Apr 28 – Jun 2

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 Anderson County

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

Soil pH

Your soil pH (5.4–6.8) overlaps with Komatsuna's range (6.0–7.5), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is low (1.9%). Add 2-3 inches of compost before planting Komatsuna.

How to Plant Komatsuna

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 Komatsuna

8
successive plantings in your 255-day season

Sow every 4 weeks. Last sowing by Sep 27 to harvest before frost.

For a dedicated fall crop, sow by Sep 07.

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

Monthly Watering Guide for Komatsuna

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

Month Komatsuna Needs Rainfall You Supplement Action
Jan 1.8" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 4.3" 4.1" 0.2" 💧 Light watering
Apr 4.3" 7.9" 0" ✅ Rainfall sufficient
May 4.3" 11.5" 0" ✅ Rainfall sufficient
Jun 4.3" 11.3" 0" ✅ Rainfall sufficient
Jul 4.3" 8.8" 0" ✅ Rainfall sufficient
Aug 4.3" 10" 0" ✅ Rainfall sufficient
Sep 4.3" 6.1" 0" ✅ Rainfall sufficient
Oct 4.3" 4.9" 0" ✅ Rainfall sufficient
Nov 4.3" 2.4" 1.9" 💧 Light watering
Dec 2" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Anderson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Komatsuna 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" — every day above 50°F 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.

Komatsuna needs ~935 GDD — county provides 5,610 GDD Excellent fit

Komatsuna Planting Timeline — Anderson County, TX

Komatsuna Planting Calendar

Activity When Date Range
Start Indoors January 30 Jan 30 – Feb 13
Transplant Outdoors March 6 Mar 6 – Mar 20
Direct Sow February 20 Feb 20 – Mar 13
Harvest April 10 Apr 10 – May 15
Fall Sowing September 7 Sep 7 – Sep 21

Plant 0.5" deep · 6" apart · 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
July
August
September Fall Sowing
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

35–50 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

255 days in Anderson County

Growing Tips for Komatsuna in Anderson County

Direct sow Komatsuna outdoors after March 06 in Anderson County when soil has warmed and frost danger has passed.

Sandy soil in Anderson County dries quickly — mulch Komatsuna with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 96°F in Anderson County, provide afternoon shade for Komatsuna and water deeply in the morning.

Your generous 255.0-day season in Anderson County allows multiple plantings of Komatsuna. Sow every 17.0 days for continuous harvest.

Common pests for Komatsuna 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. One of the most forgiving Asian greens for all seasons. Harvest outer leaves or cut whole plants. Excellent for stir-fries, soups, or salads.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Komatsuna in Anderson County, TX?

Anderson County is in Zone 8b with an average last frost of March 6. Plan your Komatsuna planting based on this frost date — see the calendar above for exact timing.

What planting zone is Anderson County, TX?

Anderson County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 6 and first fall frost is November 16.

🌱

Your Anderson County Garden Planner — Free

A 24-page printable planner built for Anderson County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Anderson County, TX. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.