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When to Plant Microgreens in Gloucester County, VA

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.

Gloucester County, Virginia is in USDA Zone 7b. The average last spring frost is April 1 and the first fall frost is November 4, giving you a growing season of approximately 217 days.

At an elevation of 817 feet, Gloucester County receives approximately 52.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Microgreens during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Microgreens root diseases.

Gloucester County, VA (Zone 7b) Long season
217 days
Last Spring Frost April 1
217 growing days
First Fall Frost November 4

Gloucester County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (187 days to spare)
Start indoors: Feb 17 Transplant: Mar 24 🍅 Harvest: Mar 31 – Apr 28
Recommended (50%) ✓ Fits season (182 days to spare)
Start indoors: Feb 25 Transplant: Apr 1 🍅 Harvest: Apr 8 – May 6
Safe Start (90%) ✓ Fits season (180 days to spare)
Start indoors: Mar 14 Transplant: Apr 18 🍅 Harvest: Apr 25 – May 23

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 3,960 GDD Excellent fit

Microgreens Planting Timeline โ€” Gloucester County, VA

Microgreens Planting Calendar

Activity When Date Range
Start Indoors February 25 Feb 25 โ€“ Mar 11
Transplant Outdoors April 1 Apr 1 โ€“ Apr 15
Direct Sow March 18 Mar 18 โ€“ Apr 8
Fall Sowing August 26 Aug 26 โ€“ Sep 9
Harvest April 8 Apr 8 โ€“ May 6

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

Month-by-Month Timeline

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

217 days

Growing Tips for Gloucester 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 Gloucester County, VA?

Gloucester County is in Zone 7b with an average last frost of April 1. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Gloucester County, VA?

Gloucester County, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is April 1 and first fall frost is November 4.

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Plan Your Garden with Confidence

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