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When to plant Mitsuba in Dukes County, MA

Spring Mitsuba in Dukes County goes in April 11–May 2, once nighttime temps stop dipping near freezing. A second sowing from August 10 to August 24 extends the harvest into fall.

When to Plant Mitsuba in Dukes County, MA

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.

Dukes County, Massachusetts is in USDA Zone 7b. The average last spring frost is April 25 and the first fall frost is October 19, giving you a growing season of approximately 177 days.

At an elevation of 676 feet, Dukes County receives approximately 48.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Mitsuba during the growing season.

Dukes County, MA (Zone 7b) Moderate season
177 days
Last Spring Frost April 25
177 growing days
First Fall Frost October 19

Dukes County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Mitsuba Planting Timeline — Dukes County, MA

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors April 18 Apr 18 – May 2
Direct Sow April 11 Apr 11 – May 2
Harvest June 13 Jun 13 – Aug 8
Fall Sowing August 10 Aug 10 – Aug 24

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

177 days in Dukes County

Growing Tips for Dukes County

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 Dukes County, MA?

Dukes County is in Zone 7b with an average last frost of April 25. Plan your Mitsuba planting based on this frost date — see the calendar above for exact timing.

What planting zone is Dukes County, MA?

Dukes County, Massachusetts is in USDA Hardiness Zone 7b. The average last spring frost is April 25 and first fall frost is October 19.

When should I plant Mitsuba in Dukes County, MA?

In Dukes County, MA, plant Mitsuba after the last frost (around April 25) and before the first frost (around October 19). Best results when soil holds above 50°F.

What growing zone is Dukes County, MA for Mitsuba?

Dukes County sits in USDA Zone 7b. Mitsuba grows reliably in zones 4a through 9b, so it's a good fit here.

Can Mitsuba grow in Dukes County's climate?

Yes — Mitsuba grows well in Dukes County's temperate climate. Dukes County averages a 177-day frost-free season, with last frost around April 25 and first frost around October 19.

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Your Dukes County Garden Planner — Free

A 22-page printable planner built for Dukes 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 Dukes County, MA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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