Blog

When to plant Mitsuba in Alcona County, MI

Spring Mitsuba in Alcona County goes in May 3–May 24, once nighttime temps stop dipping near freezing. A second sowing from July 25 to August 8 extends the harvest into fall.

When to Plant Mitsuba in Alcona County, MI

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.

Alcona County, Michigan is in USDA Zone 5b. The average last spring frost is May 17 and the first fall frost is October 3, giving you a growing season of approximately 139 days.

At an elevation of 1,061 feet, Alcona County receives approximately 39 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Mitsuba during the growing season.

Alcona County, MI (Zone 5b) Short season
139 days
Last Spring Frost May 17
139 growing days
First Fall Frost October 3

Alcona County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7.2

Drainage

Well Drained

Monthly Watering Guide for Mitsuba

Mitsuba needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Mitsuba Needs Rainfall You Supplement Action
Jan 1.7" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 3" 0" ❄️ Dormant
Apr 4" 0" ❄️ Dormant
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 4.4" 0" ✅ Rainfall sufficient
Jul 4.3" 4.8" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 3.8" 0.5" 💧 Light watering
Oct 4.3" 2.8" 1.5" 💧 Light watering
Nov 2.8" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

Water needs are for active growing months only (May–Oct in Alcona County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Mitsuba Planting Timeline — Alcona County, MI

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors April 12 Apr 12 – Apr 26
Transplant Outdoors May 10 May 10 – May 24
Direct Sow May 3 May 3 – May 24
Harvest July 5 Jul 5 – Aug 30
Fall Sowing July 25 Jul 25 – Aug 8

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Start Indoors
May Transplant Outdoors Direct Sow
June
July Fall Sowing 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 5b

📆 Growing Season

139 days in Alcona County

Growing Tips for Alcona 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 Alcona County, MI?

Alcona County is in Zone 5b with an average last frost of May 17. Plan your Mitsuba planting based on this frost date — see the calendar above for exact timing.

What planting zone is Alcona County, MI?

Alcona County, Michigan is in USDA Hardiness Zone 5b. The average last spring frost is May 17 and first fall frost is October 3.

When should I plant Mitsuba in Alcona County, MI?

In Alcona County, MI, plant Mitsuba after the last frost (around May 17) and before the first frost (around October 3). Best results when soil holds above 50°F.

What growing zone is Alcona County, MI for Mitsuba?

Alcona County sits in USDA Zone 5b. Mitsuba grows reliably in zones 4a through 9b, so it's a good fit here.

Can Mitsuba grow in Alcona County's climate?

Yes — Mitsuba grows well in Alcona County's temperate climate. Alcona County averages a 139-day frost-free season, with last frost around May 17 and first frost around October 3.

🌱

Your Alcona County Garden Planner — Free

A 22-page printable planner built for Alcona County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Alcona County, MI. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.