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When to plant Mitsuba in Baltimore County, MD

Aim to plant Mitsuba in Baltimore County on or after March 20; the window stays open through April 10. Baltimore County's 217-day frost-free season gives you enough for a full main crop and a short fall succession. A second sowing from August 28 to September 11 extends the harvest into fall.

When to Plant Mitsuba in Baltimore County, MD

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.

Baltimore County, Maryland is in USDA Zone 7b. The average last spring frost is April 3 and the first fall frost is November 6, giving you a growing season of approximately 217 days.

At an elevation of 641 feet, Baltimore County receives approximately 49.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93°F, providing good warmth for Mitsuba during the growing season.

Baltimore County, MD (Zone 7b) Long season
217 days
Last Spring Frost April 3
217 growing days
First Fall Frost November 6

Baltimore County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Mitsuba Planting Timeline — Baltimore County, MD

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors February 27 Feb 27 – Mar 13
Transplant Outdoors March 27 Mar 27 – Apr 10
Direct Sow March 20 Mar 20 – Apr 10
Harvest May 22 May 22 – Jul 17
Fall Sowing August 28 Aug 28 – Sep 11

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
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

Moderate — regular watering

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

217 days in Baltimore County

Growing Tips for Baltimore 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 Baltimore County, MD?

Baltimore County is in Zone 7b with an average last frost of April 3. Plan your Mitsuba planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baltimore County, MD?

Baltimore County, Maryland is in USDA Hardiness Zone 7b. The average last spring frost is April 3 and first fall frost is November 6.

When should I plant Mitsuba in Baltimore County, MD?

In Baltimore County, MD, plant Mitsuba after the last frost (around April 3) and before the first frost (around November 6). Best results when soil holds above 50°F.

What growing zone is Baltimore County, MD for Mitsuba?

Baltimore 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 Baltimore County's climate?

Yes — Mitsuba grows well in Baltimore County's temperate climate. Baltimore County averages a 217-day frost-free season, with last frost around April 3 and first frost around November 6.

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Your Baltimore County Garden Planner — Free

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

Sources & credits

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