Blog

When to plant Microgreens in Fremont County, IA

Plant Microgreens in Fremont County, when soil hits 50°F — usually April 10. Continue planting through May 1 for the spring crop. A second sowing from August 1 to August 15 extends the harvest into fall.

When to Plant Microgreens in Fremont County, IA

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.

Fremont County, Iowa is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 10, giving you a growing season of approximately 169 days.

At an elevation of 1,032 feet, Fremont County receives approximately 35.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Microgreens to ensure they mature before fall.

Fremont County, IA (Zone 5b) Moderate season
169 days
Last Spring Frost April 24
169 growing days
First Fall Frost October 10

Fremont County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Microgreens Planting Timeline — Fremont County, IA

Microgreens Planting Calendar

Activity When Date Range
Start Indoors March 20 Mar 20 – Apr 3
Transplant Outdoors April 24 Apr 24 – May 8
Direct Sow April 10 Apr 10 – May 1
Harvest May 1 May 1 – May 29
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 Start Indoors
April Start Indoors Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow Harvest
June
July
August Fall Sowing
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

7–21 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

169 days in Fremont County

Growing Tips for Fremont County

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 Fremont County, IA?

Fremont County is in Zone 5b with an average last frost of April 24. Plan your Microgreens planting based on this frost date — see the calendar above for exact timing.

What planting zone is Fremont County, IA?

Fremont County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 10.

When should I plant Microgreens in Fremont County, IA?

In Fremont County, IA, plant Microgreens after the last frost (around April 24) and before the first frost (around October 10). Best results when soil holds above 50°F.

What growing zone is Fremont County, IA for Microgreens?

Fremont County sits in USDA Zone 5b. Microgreens grows reliably in zones 1a through 13b, so it's a good fit here.

Can Microgreens grow in Fremont County's climate?

Yes — Microgreens grows well in Fremont County's temperate climate. Fremont County averages a 169-day frost-free season, with last frost around April 24 and first frost around October 10.

🌱

Your Fremont County Garden Planner — Free

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.