30 seeds per packet. A huge, short-lived, perennial umbellifer, native to Europe and Asia. Blue-green, glossy, triangular leaves and tall, purple stems bearing flat heads of greenish yellow flowers in summer. Height 1.2 metres. Suitable for planting at the back of a border. Dies after flowering but plenty of seed is produced which germinates easily. Sun to part shade in a rich, well-drained soil. Cold germinator.