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When to Plant Mitsuba in Ellis County, TX

Ellis County, Texas Zone 8b May

May to-do list for Ellis County, Texas

We've pulled the most time-sensitive tasks for Ellis County, Texas this May and put them front and centre. Tackle them in order.

Avg. last frost March 9
Avg. first frost November 20
Soil temp (4") 72°F
Watering Low
Pest pressure High
Daylight 13.7 hrs
  1. Bring in the mitsuba

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

June will be here before you know it — start on
  • First harvests: mitsuba

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Mitsuba (Japanese parsley) is a shade-loving herb with trefoil leaves and a mild celery-parsley flavor. It is essential in Japanese cuisine for soups, salads, and garnishes.

Ellis County, Texas is in USDA Zone 8b. The average last spring frost is March 9 and the first fall frost is November 20, giving you a growing season of approximately 256 days.

At an elevation of 167 feet, Ellis County receives approximately 56.1 inches of rainfall annually with predominantly clay soil. Summer highs average 93°F, providing good warmth for Mitsuba during the growing season. Clay soil retains moisture well for Mitsuba, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mitsuba root diseases.

Ellis County, TX (Zone 8b) Long season
256 days
Last Spring Frost March 9
256 growing days
First Fall Frost November 20

Ellis County Soil Profile

Soil Type

Clay

Soil pH

6.7-8.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (150 days to spare)
Start indoors: Jan 25 Transplant: Feb 22 🍅 Harvest: Apr 19 – Jun 14
Recommended (50%) ✓ Fits season (151 days to spare)
Start indoors: Feb 2 Transplant: Mar 2 🍅 Harvest: Apr 27 – Jun 22
Safe Start (90%) ✓ Fits season (139 days to spare)
Start indoors: Mar 2 Transplant: Mar 30 🍅 Harvest: May 25 – Jul 20

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 Ellis County

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

Soil pH

Your soil pH (6.7–8.3) is more alkaline than Mitsuba prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Your clay soil in Ellis County is workable for Mitsuba. Add compost annually to improve structure.

Organic Matter

Organic matter is moderate (3.1%). Annual compost additions will help Mitsuba.

How to Plant Mitsuba

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

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

Succession Planting Mitsuba

6
successive plantings in your 256-day season

Sow every 5.7 weeks. Last sowing by Sep 11 to harvest before frost.

For a dedicated fall crop, sow by Sep 11.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 218 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Mitsuba

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

Month Mitsuba Needs Rainfall You Supplement Action
Jan 1.2" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 4.3" 3.4" 0.9" 💧 Light watering
Apr 4.3" 6.2" 0" ✅ Rainfall sufficient
May 4.3" 7.6" 0" ✅ Rainfall sufficient
Jun 4.3" 10.3" 0" ✅ Rainfall sufficient
Jul 4.3" 6.5" 0" ✅ Rainfall sufficient
Aug 4.3" 7.4" 0" ✅ Rainfall sufficient
Sep 4.3" 4.8" 0" ✅ Rainfall sufficient
Oct 4.3" 4" 0.3" 💧 Light watering
Nov 4.3" 1.8" 2.5" 🚿 Regular watering
Dec 1.3" 0" ❄️ Dormant

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

Mitsuba 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.

Mitsuba needs ~1,185 GDD — county provides 5,056 GDD Excellent fit

Mitsuba Planting Timeline — Ellis County, TX

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors February 2 Feb 2 – Feb 16
Transplant Outdoors March 2 Mar 2 – Mar 16
Direct Sow February 23 Feb 23 – Mar 16
Harvest April 27 Apr 27 – Jun 22
Fall Sowing September 11 Sep 11 – Sep 25

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April Harvest
May Harvest
June Harvest
July
August
September Fall Sowing
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 6–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8b

📆 Growing Season

256 days in Ellis County

Growing Tips for Mitsuba in Ellis County

Direct sow Mitsuba outdoors after March 09 in Ellis County when soil has warmed and frost danger has passed.

With Ellis County's clay soil (37% clay), work in 3-4 inches of compost before planting Mitsuba. Avoid tilling when soil is wet to prevent compaction.

Common pests for Mitsuba in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow or start indoors in partial shade. Mitsuba prefers cool, moist conditions. Harvest outer stems as needed. Self-sows readily in shaded garden areas.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mitsuba in Ellis County, TX?

Ellis County is in Zone 8b with an average last frost of March 9. Plan your Mitsuba planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ellis County, TX?

Ellis County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 9 and first fall frost is November 20.

🌱

Your Ellis County Garden Planner — Free

A 24-page printable planner built for Ellis 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 Ellis 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.