Aquilegia. Aquilegia vulgaris, Columbine or Granny Bonnet. Aquilegia Mckana's giants are a popular cultivar. The Aquilegia is a relatively easy plant to grow as it can adapt to a variety of conditions. Aquilegia do best when they are grown in moist, rich, well drained soil in light shadeNurseries, Mail Order Nurseries, Specialist Nurseries,Retail Nurseries, Wholesale Nurseries, Garden Centers, Plant Nurseries.