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When to Plant Mitsuba in Avoyelles 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.

Avoyelles Parish, Louisiana is in USDA Zone 8b. The average last spring frost is February 25 and the first fall frost is November 26, giving you a growing season of approximately 274 days.

At an elevation of 231 feet, Avoyelles Parish receives approximately 48.2 inches of rainfall annually with predominantly loam soil. Summer highs average 93ยฐF, providing good warmth for Mitsuba during the growing season.

Avoyelles Parish, LA (Zone 8b) Year-round
274 days
Last Spring Frost February 25
274 growing days
First Fall Frost November 26

Avoyelles Parish Soil Profile

Soil Type

Loam

Soil pH

6.3-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (171 days to spare)
Start indoors: Jan 10 Transplant: Feb 7 🍅 Harvest: Apr 4 – May 30
Recommended (50%) ✓ Fits season (169 days to spare)
Start indoors: Jan 21 Transplant: Feb 18 🍅 Harvest: Apr 15 – Jun 10
Safe Start (90%) ✓ Fits season (173 days to spare)
Start indoors: Feb 5 Transplant: Mar 5 🍅 Harvest: Apr 30 – Jun 25

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
0.7″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 646 gal / 100 sq ft
Mitsuba needs ~1,185 GDD — county provides 5,431 GDD Excellent fit

Mitsuba Planting Timeline โ€” Avoyelles Parish, LA

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors January 21 Jan 21 โ€“ Feb 4
Transplant Outdoors February 18 Feb 18 โ€“ Mar 4
Direct Sow February 11 Feb 11 โ€“ Mar 4
Fall Sowing September 17 Sep 17 โ€“ Oct 1
Harvest April 15 Apr 15 โ€“ Jun 10

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

Month-by-Month Timeline

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

274 days

Growing Tips for Avoyelles 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 Avoyelles Parish, LA?

Avoyelles Parish is in Zone 8b with an average last frost of February 25. Plan your Mitsuba planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Avoyelles Parish, LA?

Avoyelles Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is February 25 and first fall frost is November 26.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Avoyelles 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 Avoyelles Parish, LA. Local conditions may vary. Last updated: April 2026.