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When to Plant Microgreens in Medina County, TX

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.

Medina County, Texas is in USDA Zone 8b. The average last spring frost is March 3 and the first fall frost is November 23, giving you a growing season of approximately 265 days.

At an elevation of 1,498 feet, Medina County receives approximately 56.7 inches of rainfall annually with predominantly loam soil. Summer highs average 92ยฐF, providing good warmth for Microgreens during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Microgreens root diseases.

Medina County, TX (Zone 8b) Long season
265 days
Last Spring Frost March 3
265 growing days
First Fall Frost November 23

Medina County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (235 days to spare)
Start indoors: Jan 13 Transplant: Feb 17 🍅 Harvest: Feb 24 – Mar 24
Recommended (50%) ✓ Fits season (230 days to spare)
Start indoors: Jan 27 Transplant: Mar 3 🍅 Harvest: Mar 10 – Apr 7
Safe Start (90%) ✓ Fits season (219 days to spare)
Start indoors: Feb 25 Transplant: Apr 1 🍅 Harvest: Apr 8 – May 6

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 287 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Microgreens needs ~266 GDD — county provides 5,035 GDD Excellent fit

Microgreens Planting Timeline โ€” Medina County, TX

Microgreens Planting Calendar

Activity When Date Range
Start Indoors January 27 Jan 27 โ€“ Feb 10
Transplant Outdoors March 3 Mar 3 โ€“ Mar 17
Direct Sow February 17 Feb 17 โ€“ Mar 10
Fall Sowing September 14 Sep 14 โ€“ Sep 28
Harvest March 10 Mar 10 โ€“ Apr 7

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
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 8b

Growing Season

265 days

Growing Tips for Medina 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 Medina County, TX?

Medina County is in Zone 8b with an average last frost of March 3. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Medina County, TX?

Medina County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 3 and first fall frost is November 23.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Medina County gardeners in Zone 8b 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 Medina County, TX. Local conditions may vary. Last updated: April 2026.