Crop Rotation Group
Miscellaneous ●
Soil
Fertile, well-drained soil enriched with compost, with a neutral to slightly acidic pH.
Position
Partial shade.
Frost tolerant
Yes, aquilegia is a hardy perennial. Well-rooted plants are hardy to -34°C (-30°F).
Feeding
Mulch over the plants’ root zones with rich compost just as the new growth emerges in spring.
Spacing
Single Plants: 30cm (11") each way (minimum)
Rows: 30cm (11") with 30cm (11") row gap (minimum)
Sow and Plant
Bare-root or potted plants of improved varieties and native strains are widely available in spring, or you can start seeds indoors in late winter. At room temperature, seeds germinate in 15 to 20 days. Set out plants or seedlings as early as possible, while the soil is still cool. Plants may not bloom their first year after planting. Young plants need water when they are actively growing. A surface mulch suppresses weeds while making the plants look more attractive.
Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area.
Notes
Large-flowered hybrids made stunning additions to the formal flower garden. In addition, many showy columbine species are native to certain regions, for example colourado blue columbine (A. coerulea) and Canadian columbine (A. canadensis). These and other native species deserve space in native plant landscapes or the shady edges of wildflower meadows. Columbines develop fleshy roots that serve them well for a few years, and then individual plants unexpectedly die. In hospitable situations the plants reseed themselves, so the loss of older plants goes unnoticed. Columbines are non-preferred by rabbits and resistant to nibbling by deer.
Harvesting
Gather stems for use in cut arrangements as you need them. It is normal for columbines to bloom for a month or so and then start dying back.
Troubleshooting
Powdery mildew can affect foliage present in summer. Leaf miners often make meandering trails in columbine leaves, which can be pinched off and composted.
Planting and Harvesting Calendar
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Pests which Affect Columbine