Aquilegia caeruela ‘Swan Lavender‘ or Rocky Mountain Columbine ‘Swan Lavender’ is also known by other names, Colorado Blue Colombine, Colorado Columbine, Blue Columbine, Aquilegia helenae, Aquilegia macrantha. It is native to the United States, in particular from Montana to Arizona. It is part of the Ranunculaceae family of plants. It is a clump-forming herbaceous perennial. Aquilegia caeruela ‘Swan Lavender‘ has ternately divided basal leaves and leafy stems, the leaves are hairy underneath. Aquilegia caeruela ‘Swan Lavender‘ flowers are bell-shaped and bi-colored and appear on long stems. The wide sepals are pale blue or purple and white petals with slender spurs. Aquilegia caeruela ‘Swan Lavender‘ flowers in Spring and summer.
Aquilegia caeruela ‘Swan Lavender‘ grows to about 50cm or 20″ high. Plant Aquilegia caeruela ‘Swan Lavender‘ in the sun or partial shade, in fertile, moist soil but well-drained. Propagate by seed or division. No pruning necessary but cut back any dead or diseased foliage. Watch out for aphids, leaf-mining flies, sawflies, powdery mildew or downy mildew. Aquilegia caeruela ‘Swan Lavender‘ self-seeds so if you prefer it does not then remove the seedheads. The seeds and the root of Aquilegia are poisonous and can cause heart palpitations, but the flower used to be consumed by Native Americans. Colorado Blue Columbine is the official state flower of Colorado.