Circle onion (Allium senescens var. glaucum) AL-ee-um sen-ESS-senz variety GLOK-um Genus:  Allium This plant's silver-blue leaves swirl like a cowlick. It produces flowers that are lollipop-shaped, pink with bright yellow accents and about 16 inches tall. Care:  Grow in full sun to part shade and average to dry, well-drained soil. Divide regularly to maintain vigor. Propagation:  Flowers in two years from seed. Sow seed in situ or divide plant in spring. Divide plants any time during the growing season by separating bulbs, making sure a rhizome is attached to each bulb. Problems:  Aphids, powdery mildew, rust.

Overview

Height 1 ft. to 3 ft. Spread 6 in. to 12 in. Growth Habit Clumps Light Full Sun to Part Shade Moisture Dry to Medium Characteristics Attracts Butterflies, Fragrant Foliage Bloom Time Early Fall, Fall, Late Summer, Summer Flower Color Pink, Yellow Uses Beds and Borders Style Cottage Garden, Dried Flower, Ground Covers Seasonal Interest Spring Interest Type Bulbs