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When to Plant Microgreens in Nelson 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.

Nelson County, Virginia is in USDA Zone 7a. The average last spring frost is April 10 and the first fall frost is October 31, giving you a growing season of approximately 204 days.

At an elevation of 920 feet, Nelson County receives approximately 48.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Microgreens during the growing season.

Nelson County, VA (Zone 7a) Long season
204 days
Last Spring Frost April 10
204 growing days
First Fall Frost October 31

Nelson County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (169 days to spare)
Start indoors: Feb 25 Transplant: Apr 1 🍅 Harvest: Apr 8 – May 6
Recommended (50%) ✓ Fits season (169 days to spare)
Start indoors: Mar 6 Transplant: Apr 10 🍅 Harvest: Apr 17 – May 15
Safe Start (90%) ✓ Fits season (157 days to spare)
Start indoors: Apr 1 Transplant: May 6 🍅 Harvest: May 13 – Jun 10

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 3,723 GDD Excellent fit

Microgreens Planting Timeline โ€” Nelson County, VA

Microgreens Planting Calendar

Activity When Date Range
Start Indoors March 6 Mar 6 โ€“ Mar 20
Transplant Outdoors April 10 Apr 10 โ€“ Apr 24
Direct Sow March 27 Mar 27 โ€“ Apr 17
Fall Sowing August 22 Aug 22 โ€“ Sep 5
Harvest April 17 Apr 17 โ€“ May 15

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
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 7a

Growing Season

204 days

Growing Tips for Nelson 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 Nelson County, VA?

Nelson County is in Zone 7a with an average last frost of April 10. Plan your Microgreens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Nelson County, VA?

Nelson County, Virginia is in USDA Hardiness Zone 7a. The average last spring frost is April 10 and first fall frost is October 31.

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Plan Your Garden with Confidence

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