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When to plant Microgreens in Randolph County, IN

In Zone 6a (Randolph County), direct-sow Microgreens between April 12 and May 3 for spring, after the April 26 last-frost mark. A second sowing from August 7 to August 21 extends the harvest into fall.

When to Plant Microgreens in Randolph County, IN

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.

Randolph County, Indiana is in USDA Zone 6a. The average last spring frost is April 26 and the first fall frost is October 16, giving you a growing season of approximately 173 days.

At an elevation of 602 feet, Randolph County receives approximately 40.5 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.

Randolph County, IN (Zone 6a) Moderate season
173 days
Last Spring Frost April 26
173 growing days
First Fall Frost October 16

Randolph County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Microgreens Planting Timeline — Randolph County, IN

Microgreens Planting Calendar

Activity When Date Range
Start Indoors March 22 Mar 22 – Apr 5
Transplant Outdoors April 26 Apr 26 – May 10
Direct Sow April 12 Apr 12 – May 3
Harvest May 3 May 3 – May 31
Fall Sowing August 7 Aug 7 – Aug 21

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 6a

📆 Growing Season

173 days in Randolph County

Growing Tips for Randolph 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 Randolph County, IN?

Randolph County is in Zone 6a with an average last frost of April 26. Plan your Microgreens planting based on this frost date — see the calendar above for exact timing.

What planting zone is Randolph County, IN?

Randolph County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 26 and first fall frost is October 16.

When should I plant Microgreens in Randolph County, IN?

In Randolph County, IN, plant Microgreens after the last frost (around April 26) and before the first frost (around October 16). Best results when soil holds above 50°F.

What growing zone is Randolph County, IN for Microgreens?

Randolph County sits in USDA Zone 6a. Microgreens grows reliably in zones 1a through 13b, so it's a good fit here.

Can Microgreens grow in Randolph County's climate?

Yes — Microgreens grows well in Randolph County's temperate climate. Randolph County averages a 173-day frost-free season, with last frost around April 26 and first frost around October 16.

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Your Randolph County Garden Planner — Free

A 22-page printable planner built for Randolph County (Zone 6a). 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 Randolph County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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