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When to plant Radish in Huron County, MI

Huron County gardeners should plant Radish between April 25 and May 16 in spring. With Huron County's Zone 6a climate (last frost May 9), Radish needs 22–35 days to mature — plant by September 5 for a full harvest. A second sowing from August 1 to August 15 extends the harvest into fall.

When to Plant Radish in Huron County, MI

Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.

Huron County, Michigan is in USDA Zone 6a. The average last spring frost is May 9 and the first fall frost is October 10, giving you a growing season of approximately 154 days.

At an elevation of 1,170 feet, Huron County receives approximately 41.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Radish to ensure they mature before fall.

Huron County, MI (Zone 6a) Moderate season
154 days
Last Spring Frost May 9
154 growing days
First Fall Frost October 10

Huron County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Radish Planting Timeline — Huron County, MI

Radish Planting Calendar

Activity When Date Range
Direct Sow April 25 Apr 25 – May 16
Harvest May 23 May 23 – Jun 13
Fall Sowing August 1 Aug 1 – Aug 15

Plant 0.5" deep · 2" apart · Rows 6" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

22–35 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

154 days in Huron County

Growing Tips for Huron County

Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Radish in Huron County, MI?

Huron County is in Zone 6a with an average last frost of May 9. Plan your Radish planting based on this frost date — see the calendar above for exact timing.

What planting zone is Huron County, MI?

Huron County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 9 and first fall frost is October 10.

When should I plant Radish in Huron County, MI?

In Huron County, MI, plant Radish after the last frost (around May 9) and before the first frost (around October 10). Best results when soil holds above 50°F.

What growing zone is Huron County, MI for Radish?

Huron County sits in USDA Zone 6a. Radish grows reliably in zones 2a through 11b, so it's a good fit here.

Can Radish grow in Huron County's climate?

Yes — Radish grows well in Huron County's temperate climate. Huron County averages a 154-day frost-free season, with last frost around May 9 and first frost around October 10.

🌱

Your Huron County Garden Planner — Free

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

Sources & credits

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