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When to plant Shiso in Ingham County, MI

Ingham County's climate puts the Shiso spring window between May 9 and May 30. time plantings around the expected last-frost window for best survival.

When to Plant Shiso in Ingham County, MI

Shiso (perilla) is a fragrant Japanese herb with large, ruffled leaves in green or purple varieties. It has a unique flavor combining mint, basil, and anise.

Ingham County, Michigan is in USDA Zone 6a. The average last spring frost is May 2 and the first fall frost is October 13, giving you a growing season of approximately 164 days.

At an elevation of 554 feet, Ingham County receives approximately 31.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Shiso to ensure they mature before fall.

Ingham County, MI (Zone 6a) Moderate season
164 days
Last Spring Frost May 2
164 growing days
First Fall Frost October 13

Ingham County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Shiso Planting Timeline — Ingham County, MI

Shiso Planting Calendar

Activity When Date Range
Start Indoors March 14 Mar 14 – Mar 28
Transplant Outdoors May 16 May 16 – May 30
Direct Sow May 9 May 9 – May 30
Harvest July 11 Jul 11 – Sep 5

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

164 days in Ingham County

Growing Tips for Ingham County

Direct sow after last frost or start indoors. Both green and red varieties are available. Pinch tips to encourage bushiness. Self-sows prolifically; deadhead to control.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Shiso in Ingham County, MI?

Ingham County is in Zone 6a with an average last frost of May 2. Plan your Shiso planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ingham County, MI?

Ingham County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 2 and first fall frost is October 13.

When should I plant Shiso in Ingham County, MI?

In Ingham County, MI, plant Shiso after the last frost (around May 2) and before the first frost (around October 13). Best results when soil holds above 50°F.

What growing zone is Ingham County, MI for Shiso?

Ingham County sits in USDA Zone 6a. Shiso grows reliably in zones 3a through 11b, so it's a good fit here.

Can Shiso grow in Ingham County's climate?

Yes — Shiso grows well in Ingham County's temperate climate. Ingham County averages a 164-day frost-free season, with last frost around May 2 and first frost around October 13.

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Your Ingham County Garden Planner — Free

A 22-page printable planner built for Ingham County (Zone 6a). 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 Ingham County, MI. Local conditions may vary. Last updated: July 2026.

Sources & credits

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