Western columbine
Aquilegia formosa · Ranunculaceae
The gardener's calendar
Ideal time to plant western columbine: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous
- Flowering
- May to July
- Adult size
- 24 to 35 inches tall
- Growth
- Moderate
- Hardiness
- Very hardy (down to -4°F)
- Origin
- Western North America
- Soil type
- Well-draining, rich in organic matter
Care
Light Exposure
Graceful columbine prefers partial shade or bright light without scorching afternoon sun. In hot regions, choose partial shade to preserve flowering. It tolerates full sun in cold, humid regions.
Watering
Keep the soil regularly moist during growth and flowering, without allowing water to stagnate. Water deeply once or twice weekly depending on climate conditions. During hot summer periods, increase frequency to prevent the soil from drying out completely.
Soil
Prepare a well-draining substrate enriched with compost or potting soil. Graceful columbine appreciates fertile soil but tolerates slight acidity. Avoid compacted, heavy soils that promote root rot.
Fertilizing
Apply balanced fertilizer in spring when growth resumes. An additional application at the start of flowering strengthens flower production. Favor organic amendments that gradually enrich the soil.
Pruning and Maintenance
Remove spent flowers regularly to encourage prolonged flowering. At season's end, cut dead foliage at the base once completely dried. Autumn cleanup prevents pest establishment.
Diseases and Pests
Graceful columbine may be prone to powdery mildew in humid, confined conditions. Ensure good air circulation and avoid wetting the foliage. Aphids can occasionally affect young shoots; early intervention is usually sufficient.
Did you know?
Graceful columbine fascinates North American hummingbirds who feed on the nectar of its spectacular spurred flowers. Its bright red and gold petals, evolving in graceful relief, make it one of the most appreciated plants by wild pollinators in North American gardens.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.