Vibrant colouration. great flowering performance Its pincushion flowers have a delicate appearance and are uniquely hued with tones of deep raspberry pink to cerise. The small blooms. which grow in 1-1½" clusters. attract all sorts of pollinators. These colourful umbels open above the dense. nearly ground-covering habit. Botanical Name: Astrantia major 'Cerise Button' Form: Perennial Hardiness Zone: 4-9 Flowering Time: Late spring to late summer Light Requirements: Full Sun. Partial Shade Flower Color: Deep raspberry (to cerise) pink Flower Form: Flowers produced in umbels 1 to 11/2" across Foliage Type: Neatly divided dark green basal leaves. Growth Rate: Medium Height/Habit: 16 - 20 inches Spread: 12 - 15 inches Planting Instructions: Top of plant should be just below soil level and 12-15" apart Will Tolerate: Acidic Soil. Clay Soil. Loamy Soil. Sandy Soil Pruning: Not needed