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When to plant Peas in Iosco County, MI

Aim to plant Peas in Iosco County on or after April 30; the window stays open through May 21. Iosco County's 142-day frost-free season gives you a single solid spring crop with a brief fall option. A second sowing from July 25 to August 8 extends the harvest into fall.

When to Plant Peas in Iosco County, MI

Peas

Peas are a cool-season legume that fixes nitrogen in the soil. Garden peas are shelled, while snap and snow peas are eaten pod and all.

Iosco County, Michigan is in USDA Zone 5b. The average last spring frost is May 14 and the first fall frost is October 3, giving you a growing season of approximately 142 days.

At an elevation of 696 feet, Iosco County receives approximately 37.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Peas during the growing season.

Iosco County, MI (Zone 5b) Short season
142 days
Last Spring Frost May 14
142 growing days
First Fall Frost October 3

Iosco County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Peas Planting Timeline — Iosco County, MI

Peas Planting Calendar

Activity When Date Range
Start Indoors April 9 Apr 9 – Apr 23
Transplant Outdoors May 14 May 14 – May 28
Direct Sow April 30 Apr 30 – May 21
Harvest July 9 Jul 9 – Sep 3
Fall Sowing July 25 Jul 25 – Aug 8

Plant 1" deep · 4" apart · Rows 18" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

142 days in Iosco County

Growing Tips for Iosco County

Direct sow as early as soil can be worked in spring. Inoculate seeds with rhizobium for best nitrogen fixation. Provide trellising for climbing varieties.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Peas Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Let pods dry brown and papery on the vine.
Storage Store airtight; viable 3 years at 35°F, under 45% humidity.

Very easy to save. Self-pollinating means varieties stay true.

Frequently Asked Questions

When should I plant Peas in Iosco County, MI?

Iosco County is in Zone 5b with an average last frost of May 14. Plan your Peas planting based on this frost date — see the calendar above for exact timing.

What planting zone is Iosco County, MI?

Iosco County, Michigan is in USDA Hardiness Zone 5b. The average last spring frost is May 14 and first fall frost is October 3.

When should I plant Peas in Iosco County, MI?

In Iosco County, MI, plant Peas after the last frost (around May 14) and before the first frost (around October 3). Best results when soil holds above 50°F.

What growing zone is Iosco County, MI for Peas?

Iosco County sits in USDA Zone 5b. Peas grows reliably in zones 2a through 11b, so it's a good fit here.

Can Peas grow in Iosco County's climate?

Yes — Peas grows well in Iosco County's temperate climate. Iosco County averages a 142-day frost-free season, with last frost around May 14 and first frost around October 3.

🌱

Your Iosco County Garden Planner — Free

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

Sources & credits

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