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When to Plant Microgreens in Holmes 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.

Holmes County, Mississippi is in USDA Zone 8a. The average last spring frost is March 13 and the first fall frost is November 11, giving you a growing season of approximately 243 days.

At an elevation of 208 feet, Holmes County receives approximately 53.9 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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Microgreens root diseases.

Holmes County, MS (Zone 8a) Long season
243 days
Last Spring Frost March 13
243 growing days
First Fall Frost November 11

Holmes County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (205 days to spare)
Start indoors: Jan 30 Transplant: Mar 6 🍅 Harvest: Mar 13 – Apr 10
Recommended (50%) ✓ Fits season (208 days to spare)
Start indoors: Feb 6 Transplant: Mar 13 🍅 Harvest: Mar 20 – Apr 17
Safe Start (90%) ✓ Fits season (198 days to spare)
Start indoors: Mar 4 Transplant: Apr 8 🍅 Harvest: Apr 15 – May 13

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 148 gal / 100 sq ft
Microgreens needs ~266 GDD — county provides 4,617 GDD Excellent fit

Microgreens Planting Timeline โ€” Holmes County, MS

Microgreens Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 โ€“ Feb 20
Transplant Outdoors March 13 Mar 13 โ€“ Mar 27
Direct Sow February 27 Feb 27 โ€“ Mar 20
Fall Sowing September 2 Sep 2 โ€“ Sep 16
Harvest March 20 Mar 20 โ€“ Apr 17

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow Harvest
April Harvest
May โ€”
June โ€”
July โ€”
August โ€”
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

243 days

Growing Tips for Holmes 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 Holmes County, MS?

Holmes County is in Zone 8a with an average last frost of March 13. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Holmes County, MS?

Holmes County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 13 and first fall frost is November 11.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Holmes 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 Holmes County, MS. Local conditions may vary. Last updated: April 2026.