When to Plant Microgreens in Prince George's County, MD
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.
Prince George's County, Maryland is in USDA Zone 7a. The average last spring frost is April 1 and the first fall frost is November 10, giving you a growing season of approximately 223 days.
At an elevation of 322 feet, Prince George's County receives approximately 39.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Microgreens during the growing season.
Prince George's County Soil Profile
Soil Type
Silt Loam
Soil pH
5.3-6.9
Drainage
Well Drained
Plant Planting Risk Windows
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
Microgreens Planting Timeline — Prince George's County, MD
Microgreens Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 25 | Feb 25 – Mar 11 |
| Transplant Outdoors | April 1 | Apr 1 – Apr 15 |
| Direct Sow | March 18 | Mar 18 – Apr 8 |
| Fall Sowing | September 1 | Sep 1 – Sep 15 |
| Harvest | April 8 | Apr 8 – May 6 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
7–21 days
Soil pH
6 – 7
USDA Zone
Zone 7a
Growing Season
223 days
Growing Tips for Prince George's 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.
Microgreens in Other Locations
Frequently Asked Questions
When should I plant Microgreens in Prince George's County, MD?
Prince George's County is in Zone 7a with an average last frost of April 1. Plan your Microgreens planting based on this frost date — see the calendar above for exact timing.
What planting zone is Prince George's County, MD?
Prince George's County, Maryland is in USDA Hardiness Zone 7a. The average last spring frost is April 1 and first fall frost is November 10.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Prince George's County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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