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When to Plant Microgreens in Autauga County, AL

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.

Autauga County, Alabama is in USDA Zone 8a. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.

At an elevation of 80 feet, Autauga County receives approximately 58.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, 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.

Autauga County, AL (Zone 8a) Long season
245 days
Last Spring Frost March 14
245 growing days
First Fall Frost November 14

Autauga County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (209 days to spare)
Start indoors: Jan 31 Transplant: Mar 7 🍅 Harvest: Mar 14 – Apr 11
Recommended (50%) ✓ Fits season (210 days to spare)
Start indoors: Feb 7 Transplant: Mar 14 🍅 Harvest: Mar 21 – Apr 18
Safe Start (90%) ✓ Fits season (206 days to spare)
Start indoors: Feb 27 Transplant: Apr 3 🍅 Harvest: Apr 10 – May 8

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
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Microgreens needs ~256 GDD — county provides 4,471 GDD Excellent fit

Microgreens Planting Timeline โ€” Autauga County, AL

Microgreens Planting Calendar

Activity When Date Range
Start Indoors February 7 Feb 7 โ€“ Feb 21
Transplant Outdoors March 14 Mar 14 โ€“ Mar 28
Direct Sow February 28 Feb 28 โ€“ Mar 21
Fall Sowing September 5 Sep 5 โ€“ Sep 19
Harvest March 21 Mar 21 โ€“ Apr 18

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

245 days

Growing Tips for Autauga 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 Autauga County, AL?

Autauga County is in Zone 8a with an average last frost of March 14. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Autauga County, AL?

Autauga County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 14 and first fall frost is November 14.

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Plan Your Garden with Confidence

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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 Autauga County, AL. Local conditions may vary. Last updated: April 2026.