When to Plant Verbena in Mount Washington, New Hampshire (03589)
Location
Mount Washington, New Hampshire
ZIP Code
03589
USDA Zone
4a
Last Frost
Friday, May 15, 2026
๐ Planting Calendar
Pro Tip: Start Verbena seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Full Sun (6-8 hours)
๐ง
Water
Moderate (1 inch/week)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.125" deep
Seeds typically germinate in 14-21 days
Ready to Plant Verbena in Mount Washington?
Get your seeds now so they're ready by Friday, March 20, 2026.
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๐ค Good Companions
Other Plants for Mount Washington
Growing Verbena in Zone 4a
Verbena (Verbena hybrida) is a popular garden vegetable. In Mount Washington, New Hampshire, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.
Your average last frost date is Friday, May 15, 2026. Plan to transplant your Verbena seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.