May - June height 20" (50 cm)
These are the well-known large ornamental onions with a beautiful purple tuber. Especially with butterflies. The long stems are sturdy and can reach a height of 50 cm. Flowering begins in summer and lasts a long time. Ornamental bulbs are beautiful in every private border as an accent between flowering plants or in the park boundaries of your neighborhood or community.
Would you like tips for combining flower bulbs with perennials? As a rule of thumb, the bulbs grow when the leaves of the flower bulbs turn yellow. Put the onions on the back, then the young green comes in front and above. Also check out Jacqueline van der Kloet's garden. She is a well-known landscape architect who studied flower bulbs in combination with perennials.