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When to Plant Microgreens in Parker 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.

Parker County, Texas is in USDA Zone 7b. The average last spring frost is March 18 and the first fall frost is November 12, giving you a growing season of approximately 239 days.

At an elevation of 4,469 feet, Parker County receives approximately 60.6 inches of rainfall annually with predominantly clay soil. Summer highs average 89ยฐF, 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.

Parker County, TX (Zone 7b) Long season
239 days
Last Spring Frost March 18
239 growing days
First Fall Frost November 12

Parker County Soil Profile

Soil Type

Clay

Soil pH

7.1-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (212 days to spare)
Start indoors: Jan 30 Transplant: Mar 6 🍅 Harvest: Mar 13 – Apr 10
Recommended (50%) ✓ Fits season (204 days to spare)
Start indoors: Feb 11 Transplant: Mar 18 🍅 Harvest: Mar 25 – Apr 22
Safe Start (90%) ✓ Fits season (201 days to spare)
Start indoors: Mar 8 Transplant: Apr 12 🍅 Harvest: Apr 19 – May 17

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Microgreens needs ~234 GDD — county provides 4,003 GDD Excellent fit

Microgreens Planting Timeline โ€” Parker County, TX

Microgreens Planting Calendar

Activity When Date Range
Start Indoors February 11 Feb 11 โ€“ Feb 25
Transplant Outdoors March 18 Mar 18 โ€“ Apr 1
Direct Sow March 4 Mar 4 โ€“ Mar 25
Fall Sowing September 3 Sep 3 โ€“ Sep 17
Harvest March 25 Mar 25 โ€“ Apr 22

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 Transplant Outdoors 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 7b

Growing Season

239 days

Growing Tips for Parker 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 Parker County, TX?

Parker County is in Zone 7b with an average last frost of March 18. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Parker County, TX?

Parker County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 18 and first fall frost is November 12.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Parker County gardeners in Zone 7b 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 Parker County, TX. Local conditions may vary. Last updated: April 2026.