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When to plant Peas in Lyon County, MN

In Zone 5a (Lyon County), direct-sow Peas between April 20 and May 11 for spring, after the May 4 last-frost mark. A second sowing from July 24 to August 7 extends the harvest into fall.

When to Plant Peas in Lyon County, MN

Peas
Lyon County, Minnesota Zone 5a July

Your July game plan for Lyon County, Minnesota

We've pulled the most time-sensitive tasks for Lyon County, Minnesota this July and put them front and centre. Tackle them in order.

Avg. last frost May 4
Avg. first frost October 2
Soil temp (4") 71°F
Watering Moderate
Pest pressure High
Daylight 15 hrs
  1. Harvest peas as they ripen

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

  2. Direct-sow peas for cool weather

    Count back from your first frost (October 2) — these need to mature before the cold arrives.

Get ahead of August
  • First harvests: peas

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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.

Lyon County, Minnesota is in USDA Zone 5a. The average last spring frost is May 4 and the first fall frost is October 2, giving you a growing season of approximately 151 days.

At an elevation of 634 feet, Lyon County receives approximately 35.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Peas to ensure they mature before fall.

Lyon County, MN (Zone 5a) Moderate season
151 days
Last Spring Frost May 4
151 growing days
First Fall Frost October 2

Lyon County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-7.2

Drainage

Well Drained

Monthly Watering Guide for Peas

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

Month Peas Needs Rainfall You Supplement Action
Jan 1.3" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 3.8" 0" ❄️ Dormant
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 3.6" 0.7" 💧 Light watering
Aug 4.3" 3.4" 0.9" 💧 Light watering
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 2.8" 0" ❄️ Dormant
Dec 2.1" 0" ❄️ Dormant

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

Peas Planting Timeline — Lyon County, MN

Peas Planting Calendar

Activity When Date Range
Start Indoors March 30 Mar 30 – Apr 13
Transplant Outdoors May 4 May 4 – May 18
Direct Sow April 20 Apr 20 – May 11
Harvest June 29 Jun 29 – Aug 24
Fall Sowing July 24 Jul 24 – Aug 7

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Fall Sowing Harvest
August Fall Sowing Harvest
September
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 5a

📆 Growing Season

151 days in Lyon County

Growing Tips for Lyon 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 Lyon County, MN?

Lyon County is in Zone 5a with an average last frost of May 4. Plan your Peas planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lyon County, MN?

Lyon County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is May 4 and first fall frost is October 2.

When should I plant Peas in Lyon County, MN?

In Lyon County, MN, plant Peas after the last frost (around May 4) and before the first frost (around October 2). Best results when soil holds above 50°F.

What growing zone is Lyon County, MN for Peas?

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

Can Peas grow in Lyon County's climate?

Yes — Peas grows well in Lyon County's temperate climate. Lyon County averages a 151-day frost-free season, with last frost around May 4 and first frost around October 2.

🌱

Your Lyon County Garden Planner — Free

A 22-page printable planner built for Lyon County (Zone 5a). 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 Lyon County, MN. 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.