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When to Plant Microgreens in Carroll County, MS

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.

Carroll County, Mississippi is in USDA Zone 8a. The average last spring frost is March 17 and the first fall frost is November 9, giving you a growing season of approximately 237 days.

At an elevation of 153 feet, Carroll County receives approximately 49.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92ยฐF, providing good warmth for Microgreens during the growing season. Clay soil retains moisture well for Microgreens, but amend with compost to improve drainage and prevent root rot.

Carroll County, MS (Zone 8a) Long season
237 days
Last Spring Frost March 17
237 growing days
First Fall Frost November 9

Carroll County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (203 days to spare)
Start indoors: Jan 31 Transplant: Mar 7 🍅 Harvest: Mar 14 – Apr 11
Recommended (50%) ✓ Fits season (202 days to spare)
Start indoors: Feb 10 Transplant: Mar 17 🍅 Harvest: Mar 24 – Apr 21
Safe Start (90%) ✓ Fits season (196 days to spare)
Start indoors: Mar 5 Transplant: Apr 9 🍅 Harvest: Apr 16 – May 14

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.

Plant 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 270 gal / 100 sq ft
Microgreens needs ~266 GDD — county provides 4,503 GDD Excellent fit

Microgreens Planting Timeline โ€” Carroll County, MS

Microgreens Planting Calendar

Activity When Date Range
Start Indoors February 10 Feb 10 โ€“ Feb 24
Transplant Outdoors March 17 Mar 17 โ€“ Mar 31
Direct Sow March 3 Mar 3 โ€“ Mar 24
Fall Sowing August 31 Aug 31 โ€“ Sep 14
Harvest March 24 Mar 24 โ€“ Apr 21

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

7โ€“21 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

237 days

Growing Tips for Carroll 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 Carroll County, MS?

Carroll County is in Zone 8a with an average last frost of March 17. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Carroll County, MS?

Carroll County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 17 and first fall frost is November 9.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Carroll County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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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 Carroll County, MS. Local conditions may vary. Last updated: April 2026.