Customer Service Hours
Mon-Fri 8-4 MST
Features
Family
Ranunculaceae
Native
McKana Giants were bred from North American natives and species from abroad.
Life Cycle
Perennial
Plant Height
Tall (Greater than 24")
Flower Color
Mixed
Bloom Season
Spring to early summer
Further Information
Plant Characteristics
- Attracts Hummingbirds
- Attracts Pollinators
- Cut Flower
Plant Resistance
Deer Resistant
About Columbine
Aquilegia cultorum
Planting Columbine
Plant Spacing
3–4 seeds every 12"–24"
Hardiness Zones
3, 4, 5, 6, 7, 8, 9
Light Required
Full sun to part shade
Plant Height
Tall (Greater than 24")
Planting Depth
Surface
Planting Details
| Seed Depth | Surface |
|---|---|
| Seed Spacing | 3–4 seeds every 12"–24" |
| Thinning | When 2"–3" tall, thin to 1 every 12"–24" |
| Germination | 21–25 days |
| Start Indoors | RECOMMENDED. 10 to 12 weeks before your average last frost date. |
| Direct Sow | 4 to 6 weeks before your average last frost date, 6 to 8 weeks before your average first frost date, or when soil temperature is 68°–75°F. |
| Growing & Harvesting | For longest vase life, harvest in the morning, choosing stems with about half the flowers open. |
Find Your Frost Date & Grow Zone
Average First Frost Date
October 19
Average Last Frost Date
May 19
Your Hardiness Zone is
5b
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