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When to Plant Mitsuba in Briscoe County, TX

Briscoe County, Texas Zone 7b May

Your May game plan for Briscoe County, Texas

A quick May briefing for Briscoe County, Texas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 6
Avg. first frost November 2
Soil temp (4") 55°F
Watering Critical
Pest pressure Moderate
Daylight 13.8 hrs
  1. Fire up the seed-starting tray: mitsuba

    Starting these indoors now means sturdy transplants ready the moment your soil warms up.

  2. Bring in the mitsuba

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

Looking ahead to June
  • 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.

Briscoe County, Texas is in USDA Zone 7b. The average last spring frost is April 6 and the first fall frost is November 2, giving you a growing season of approximately 210 days.

At an elevation of 4,513 feet, Briscoe County receives approximately 47.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98°F, so Mitsuba may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Mitsuba will need more frequent watering and organic matter to retain nutrients.

Briscoe County, TX (Zone 7b) Long season
210 days
Last Spring Frost April 6
210 growing days
First Fall Frost November 2

Briscoe County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.4-8.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (110 days to spare)
Start indoors: Feb 19 Transplant: Mar 19 🍅 Harvest: May 14 – Jul 9
Recommended (50%) ✓ Fits season (105 days to spare)
Start indoors: Mar 2 Transplant: Mar 30 🍅 Harvest: May 25 – Jul 20
Safe Start (90%) ✓ Fits season (112 days to spare)
Start indoors: Mar 12 Transplant: Apr 9 🍅 Harvest: Jun 4 – Jul 30

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 Briscoe County

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

Soil pH

Your soil pH (7.4–8.3) is more alkaline than Mitsuba prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

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

Organic Matter

Organic matter is low (1.0%). Add 2-3 inches of compost before planting 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

5
successive plantings in your 210-day season

Sow every 5.7 weeks. Last sowing by Aug 24 to harvest before frost.

For a dedicated fall crop, sow by Aug 24.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 117 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — 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 3.2" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 2.7" 0" ❄️ Dormant
Apr 4.3" 1.6" 2.7" 🚿 Regular watering
May 4.3" 1" 3.3" 🚿 Regular watering
Jun 4.3" 1.9" 2.4" 🚿 Regular watering
Jul 4.3" 7.5" 0" ✅ Rainfall sufficient
Aug 4.3" 10.4" 0" ✅ Rainfall sufficient
Sep 4.3" 6.2" 0" ✅ Rainfall sufficient
Oct 4.3" 4.1" 0.2" 💧 Light watering
Nov 4.3" 3" 1.3" 💧 Light watering
Dec 2.9" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Nov in Briscoe 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 ~1,410 GDD — county provides 4,935 GDD Excellent fit

Mitsuba Planting Timeline — Briscoe County, TX

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 – Mar 16
Transplant Outdoors March 30 Mar 30 – Apr 13
Direct Sow March 23 Mar 23 – Apr 13
Harvest May 25 May 25 – Jul 20
Fall Sowing August 24 Aug 24 – Sep 7

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August Fall Sowing
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 7b

📆 Growing Season

210 days in Briscoe County

Growing Tips for Mitsuba in Briscoe County

Direct sow Mitsuba outdoors after April 06 in Briscoe County when soil has warmed and frost danger has passed.

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

With summer highs reaching 98°F in Briscoe County, provide afternoon shade for Mitsuba and water deeply in the morning.

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 Briscoe County, TX?

Briscoe County is in Zone 7b with an average last frost of April 6. Plan your Mitsuba planting based on this frost date — see the calendar above for exact timing.

What planting zone is Briscoe County, TX?

Briscoe County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is April 6 and first fall frost is November 2.

🌱

Your Briscoe County Garden Planner — Free

A 24-page printable planner built for Briscoe County (Zone 7b). 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 Briscoe 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.