When to Plant Columbine in Haiku, Hawaii (96708)
Location
Haiku, Hawaii
ZIP Code
96708
USDA Zone
12a
Last Frost
Thursday, January 1, 2026
๐ Planting Calendar
Pro Tip: Start Columbine seeds indoors 8 weeks before your last frost date, then transplant outdoors around Thursday, January 15, 2026.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Partial Shade to Full Sun
๐ง
Water
Moderate (1 inch/week)
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Spacing
12" apart
๐ฑ
Planting Depth
0.125" deep
Seeds typically germinate in 21-30 days
Ready to Plant Columbine in Haiku?
Get your seeds now so they're ready by Thursday, November 6, 2025.
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๐ค Good Companions
Other Plants for Haiku
Growing Columbine in Zone 12a
Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should start seeds indoors around Thursday, November 6, 2025.
Your average last frost date is Thursday, January 1, 2026. Plan to transplant your Columbine seedlings outdoors around Thursday, January 15, 2026, about 2 weeks after your last frost date.