When to Plant Blueberry in Gaithersburg, Maryland (20879)
Location
Gaithersburg, Maryland
ZIP Code
20879
USDA Zone
7b
Last Frost
Sunday, April 5, 2026
📅 Planting Calendar
Direct Sow Outdoors Sunday, March 8, 2026
Pro Tip: Blueberry can be directly sown outdoors. Plant 4 weeks before your last frost date.
🌿 Plant Details
Scientific Name Vaccinium corymbosum
Days to Maturity 730 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Blueberry in Zone 7b
Blueberry (Vaccinium corymbosum) is a popular garden vegetable. In Gaithersburg, Maryland, which is in USDA Hardiness Zone 7b, you should direct sow seeds around Sunday, March 8, 2026.
Your average last frost date is Sunday, April 5, 2026. Blueberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.