Columbine in Zone 3a & 3b
Aquilegia vulgaris
When to plant columbine in zone 3b
Zones 3a and 3b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Columbine needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Mar 28–Apr 4 |
|---|---|
| Direct sow / transplant outside | Jun 6–Jun 13 |
| Estimated bloom | Jun 5 '28–Jun 12 '28 (~365 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1.5-2.5 ft.
Columbine is a woodland-edge perennial known for its distinctive spurred flowers, which look almost architectural next to most garden blooms. It's an easy, long-lived plant once established, but like a lot of perennials grown from seed, it takes its time getting there.
How columbine fits zone 3's season
Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Columbine needs about 365 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Columbine.
Where to buy columbine seeds
See why we recommend these suppliers →
As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews. See the sources cited on each item.
See it growing
Search YouTube for "growing columbine" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 3b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
Pin this for later
Growing Columbine in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
Save to Pinterest