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When to Plant Microgreens in Milam 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.

Milam County, Texas is in USDA Zone 8a. The average last spring frost is March 4 and the first fall frost is November 21, giving you a growing season of approximately 262 days.

At an elevation of 61 feet, Milam County receives approximately 65.3 inches of rainfall annually with predominantly clay 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.

Milam County, TX (Zone 8a) Long season
262 days
Last Spring Frost March 4
262 growing days
First Fall Frost November 21

Milam County Soil Profile

Soil Type

Clay

Soil pH

6.8-8.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (234 days to spare)
Start indoors: Jan 13 Transplant: Feb 17 🍅 Harvest: Feb 24 – Mar 24
Recommended (50%) ✓ Fits season (227 days to spare)
Start indoors: Jan 28 Transplant: Mar 4 🍅 Harvest: Mar 11 – Apr 8
Safe Start (90%) ✓ Fits season (229 days to spare)
Start indoors: Feb 17 Transplant: Mar 24 🍅 Harvest: Mar 31 – Apr 28

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.

Soil Compatibility in Milam County

How your county's soil matches Microgreens's growing requirements.

Soil pH

Your soil pH (6.8โ€“8.3) is more alkaline than Microgreens prefers (6.0โ€“7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Heavy clay soil (46% clay) in Milam County compacts easily and drains slowly. Amend with compost and avoid working soil when wet.

Organic Matter

Organic matter is moderate (3.4%). Annual compost additions will help Microgreens.

How to Plant Microgreens

0.5"
Planting Depth
2"
Between Plants
6"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Microgreens

52
successive plantings in your 262-day season

Sow every 0.7 weeks. Last sowing by Oct 31 to harvest before frost.

For a dedicated fall crop, sow by Sep 12.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Microgreens needs ~266 GDD — county provides 4,978 GDD Excellent fit

Microgreens Planting Timeline โ€” Milam County, TX

Microgreens Planting Calendar

Activity When Date Range
Start Indoors January 28 Jan 28 โ€“ Feb 11
Transplant Outdoors March 4 Mar 4 โ€“ Mar 18
Direct Sow February 18 Feb 18 โ€“ Mar 11
Fall Sowing September 12 Sep 12 โ€“ Sep 26
Harvest March 11 Mar 11 โ€“ Apr 8

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

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

1"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

7โ€“21 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 8a

๐Ÿ“† Growing Season

262 days in Milam County

Growing Tips for Microgreens in Milam County

Direct sow Microgreens outdoors after March 04 in Milam County when soil has warmed and frost danger has passed.

With Milam County's clay soil (46% clay), work in 3-4 inches of compost before planting Microgreens. Avoid tilling when soil is wet to prevent compaction.

Your generous 262.0-day season in Milam County allows multiple plantings of Microgreens. Sow every 3.0 days for continuous harvest.

General growing tips

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 Milam County, TX?

Milam County is in Zone 8a with an average last frost of March 4. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Milam County, TX?

Milam County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 4 and first fall frost is November 21.

๐ŸŒฑ

Plan Your Garden with Confidence

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