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When to Plant Mitsuba in Prince Edward Island

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.

Prince Edward Island spans USDA hardiness zones 6a, 6b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

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Click your county for exact Mitsuba planting dates based on your local frost dates.

Mitsuba Planting Calendar for Prince Edward Island

โ–ธ Zone 6a ~193 day growing season ยท Full guide โ†’

Last frost: April 10 ยท First frost: October 20 ยท 193 day season

Activity When Date Range
Start Indoors March 6 Mar 6 โ€“ Mar 20
Transplant Outdoors April 3 Apr 3 โ€“ Apr 17
Direct Sow March 27 Mar 27 โ€“ Apr 17
Harvest May 29 May 29 โ€“ Jul 24
Fall Sowing August 11 Aug 11 โ€“ Aug 25
โ–ธ Zone 6b ~205 day growing season ยท Full guide โ†’

Last frost: April 3 ยท First frost: October 25 ยท 205 day season

Activity When Date Range
Start Indoors February 27 Feb 27 โ€“ Mar 13
Transplant Outdoors March 27 Mar 27 โ€“ Apr 10
Direct Sow March 20 Mar 20 โ€“ Apr 10
Harvest May 22 May 22 โ€“ Jul 17
Fall Sowing August 16 Aug 16 โ€“ Aug 30

Growing Tips for Prince Edward Island

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.

Frequently Asked Questions

When should I plant Mitsuba in Prince Edward Island?

Planting dates for Mitsuba in Prince Edward Island depend on your USDA zone. Prince Edward Island spans zones 6a, 6b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Prince Edward Island for planting?

Prince Edward Island contains USDA hardiness zones 6a, 6b. Your specific zone depends on your location within the state โ€” northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.