2 to 4 feet
Most varieties grow to 3 feet, but take several years to get established.
2 to 3 feet
Bloom time is brief (about 2 weeks), but flowers are followed by attractive star-shaped seedheads.
Most have star-like white flowers borne on erect, thick stems. 'Purpureus' has mauve purple flowers. 'Rubra' has rosy pink flowers
Compound leaves are shiny.
Shape in flower:
flower stalks with upright spikes