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When to Plant Microgreens in Faribault County, MN

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.

Faribault County, Minnesota is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 4, giving you a growing season of approximately 157 days.

At an elevation of 506 feet, Faribault County receives approximately 41.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81ยฐF, so choose short-season varieties of Microgreens to ensure they mature before fall.

Faribault County, MN (Zone 4b) Moderate season
157 days
Last Spring Frost April 30
157 growing days
First Fall Frost October 4

Faribault County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (122 days to spare)
Start indoors: Mar 13 Transplant: Apr 24 🍅 Harvest: May 1 – May 29
Recommended (50%) ✓ Fits season (122 days to spare)
Start indoors: Mar 19 Transplant: Apr 30 🍅 Harvest: May 7 – Jun 4
Safe Start (90%) ✓ Fits season (120 days to spare)
Start indoors: Apr 2 Transplant: May 14 🍅 Harvest: May 21 – Jun 18

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 Faribault County

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

Soil pH

Your soil pH (6.0โ€“7.1) overlaps with Microgreens's range (6.0โ€“7.0), though not a perfect match.

Soil Texture

The silt loam soil in Faribault County is excellent for Microgreens โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (4.9%) โ€” 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

31
successive plantings in your 157-day season

Sow every 0.7 weeks. Last sowing by Sep 13 to harvest before frost.

For a dedicated fall crop, sow by Jul 12.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Microgreens needs ~150 GDD — county provides 1,687 GDD Excellent fit

Microgreens Planting Timeline โ€” Faribault County, MN

Microgreens Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 โ€“ Apr 2
Transplant Outdoors April 30 Apr 30 โ€“ May 14
Direct Sow April 23 Apr 23 โ€“ May 14
Fall Sowing July 12 Jul 12 โ€“ Jul 26
Harvest May 7 May 7 โ€“ Jun 4

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

1"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

7โ€“21 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 4b

๐Ÿ“† Growing Season

157 days in Faribault County

Growing Tips for Microgreens in Faribault County

Direct sow Microgreens outdoors after April 30 in Faribault County when soil has warmed and frost danger has passed.

Your generous 157.0-day season in Faribault 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 Faribault County, MN?

Faribault County is in Zone 4b with an average last frost of April 30. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Faribault County, MN?

Faribault County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is April 30 and first fall frost is October 4.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Faribault County gardeners in Zone 4b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Faribault County, MN. Local conditions may vary. Last updated: April 2026.