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When to plant Microgreens in Crow Wing County, MN

Crow Wing County sits in USDA Zone 4a. Plant Microgreens between April 28 (after last frost on May 5) and May 19. A second sowing from July 11 to July 25 extends the harvest into fall.

When to Plant Microgreens in Crow Wing County, MN

Crow Wing County, Minnesota Zone 4a August

Top priorities for Crow Wing County, Minnesota gardeners in August

August is a pivotal month for Crow Wing County, Minnesota gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost May 5
Avg. first frost October 3
Soil temp (4") 69°F
Watering Moderate
Pest pressure Moderate
Daylight 14 hrs

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Microgreens are young seedlings of vegetables and herbs harvested at the cotyledon or first true leaf stage. They pack concentrated flavors and nutrients in a tiny package.

Crow Wing County, Minnesota is in USDA Zone 4a. The average last spring frost is May 5 and the first fall frost is October 3, giving you a growing season of approximately 151 days.

At an elevation of 783 feet, Crow Wing County receives approximately 33.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 78°F, so choose short-season varieties of Microgreens to ensure they mature before fall.

Crow Wing County, MN (Zone 4a) Moderate season
151 days
Last Spring Frost May 5
151 growing days
First Fall Frost October 3

Crow Wing County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.7

Drainage

Well Drained

Microgreens Planting Risk Windows

Early Start (70% safe) ✓ Fits season (117 days to spare)
Start indoors: Mar 18 Transplant: Apr 29 🍅 Harvest: May 6 – Jun 3
Recommended (50%) ✓ Fits season (116 days to spare)
Start indoors: Mar 24 Transplant: May 5 🍅 Harvest: May 12 – Jun 9
Safe Start (90%) ✓ Fits season (113 days to spare)
Start indoors: Apr 7 Transplant: May 19 🍅 Harvest: May 26 – Jun 23

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Crow Wing County

How your county's soil matches Microgreens's growing requirements.

Soil pH

Your soil pH (6.0–6.7) is within Microgreens's preferred range (6.0–7.0).

Soil Texture

The silt loam soil in Crow Wing County is excellent for Microgreens — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (4.0%) — Microgreens will thrive.

How to Plant Microgreens

0.5"
Planting Depth
2"
Between Plants
6"
Between Rows

Fall planting: Sow 12 weeks before your first frost date for a fall harvest.

Succession Planting Microgreens

29
successive plantings in your 151-day season

Sow every 0.7 weeks. Last sowing by Sep 12 to harvest before frost.

For a dedicated fall crop, sow by Jul 11.

Microgreens Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 103 gal / 100 sq ft

Monthly Watering Guide for Microgreens

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

Month Microgreens Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 2.2" 0" ❄️ Dormant
Apr 3.3" 0" ❄️ Dormant
May 4.3" 3.3" 1" 💧 Light watering
Jun 4.3" 3.9" 0.4" 💧 Light watering
Jul 4.3" 4.2" 0.1" 💧 Light watering
Aug 4.3" 3.3" 1" 💧 Light watering
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 2.8" 1.5" 💧 Light watering
Nov 2.5" 0" ❄️ Dormant
Dec 1.7" 0" ❄️ Dormant

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

Microgreens Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Microgreens needs ~119 GDD — county provides 1,283 GDD Excellent fit

Microgreens Planting Timeline — Crow Wing County, MN

Microgreens Planting Calendar

Activity When Date Range
Start Indoors March 24 Mar 24 – Apr 7
Transplant Outdoors May 5 May 5 – May 19
Direct Sow April 28 Apr 28 – May 19
Harvest May 12 May 12 – Jun 9
Fall Sowing July 11 Jul 11 – Jul 25

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

7–21 days

🧪 Soil pH

Needs 6–7 · Your soil: ideal

🗺️ USDA Zone

Zone 4a

📆 Growing Season

151 days in Crow Wing County

Growing Tips for Microgreens in Crow Wing County

Direct sow Microgreens outdoors after May 05 in Crow Wing County when soil has warmed and frost danger has passed.

Your generous 151.0-day season in Crow Wing County allows multiple plantings of Microgreens. Sow every 3.0 days for continuous harvest.

General growing tips

Sow seeds densely on shallow trays of moist growing medium. Cover until germination, then provide light. Harvest with scissors when 1-3 inches tall. Grow year-round indoors.

Frequently Asked Questions

When should I plant Microgreens in Crow Wing County, MN?

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

What planting zone is Crow Wing County, MN?

Crow Wing County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is May 5 and first fall frost is October 3.

When should I plant Microgreens in Crow Wing County, MN?

In Crow Wing County, MN, plant Microgreens after the last frost (around May 5) and before the first frost (around October 3). Best results when soil holds above 50°F.

What growing zone is Crow Wing County, MN for Microgreens?

Crow Wing County sits in USDA Zone 4a. Microgreens grows reliably in zones 1a through 13b, so it's a good fit here.

Can Microgreens grow in Crow Wing County's climate?

Yes — Microgreens grows well in Crow Wing County's temperate climate. Crow Wing County averages a 151-day frost-free season, with last frost around May 5 and first frost around October 3.

🌱

Your Crow Wing County Garden Planner — Free

A 22-page printable planner built for Crow Wing County (Zone 4a). 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 Crow Wing County, MN. Local conditions may vary. Last updated: August 2026.

Sources & credits

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