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When to Plant Mitsuba in Sabine Parish, LA

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.

Sabine Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 12 and the first fall frost is November 15, giving you a growing season of approximately 248 days.

At an elevation of 456 feet, Sabine Parish receives approximately 51.8 inches of rainfall annually with predominantly loam soil. Summer highs average 95ยฐF, so Mitsuba may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mitsuba root diseases.

Sabine Parish, LA (Zone 8b) Long season
248 days
Last Spring Frost March 12
248 growing days
First Fall Frost November 15

Sabine Parish Soil Profile

Soil Type

Loam

Soil pH

6.3-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (143 days to spare)
Start indoors: Jan 28 Transplant: Feb 25 🍅 Harvest: Apr 22 – Jun 17
Recommended (50%) ✓ Fits season (143 days to spare)
Start indoors: Feb 5 Transplant: Mar 5 🍅 Harvest: Apr 30 – Jun 25
Safe Start (90%) ✓ Fits season (133 days to spare)
Start indoors: Mar 3 Transplant: Mar 31 🍅 Harvest: May 26 – Jul 21

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.

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 271 gal / 100 sq ft
Mitsuba needs ~1,275 GDD — county provides 5,270 GDD Excellent fit

Mitsuba Planting Timeline โ€” Sabine Parish, LA

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 โ€“ Feb 19
Transplant Outdoors March 5 Mar 5 โ€“ Mar 19
Direct Sow February 26 Feb 26 โ€“ Mar 19
Fall Sowing September 6 Sep 6 โ€“ Sep 20
Harvest April 30 Apr 30 โ€“ Jun 25

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

248 days

Growing Tips for Sabine Parish

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

Level Up Your Garden

Frequently Asked Questions

When should I plant Mitsuba in Sabine Parish, LA?

Sabine Parish is in Zone 8b with an average last frost of March 12. Plan your Mitsuba planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sabine Parish, LA?

Sabine Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 12 and first fall frost is November 15.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sabine Parish gardeners in Zone 8b 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 Sabine Parish, LA. Local conditions may vary. Last updated: April 2026.