Scabiosa triandra

Delicate lilac flower heads from summer to autumn. Found in central and southern Europe. Delicate mauve/lilac 30-60 cm from summer to autumn. For a, sunny place, poor stony soil fine, drought tolerant. Easy.

Flower and whole plant: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 , via Wikimedia Commons

Flowers and seed pods: Stefan.lefnaer, CC BY-SA 4.0 , via Wikimedia Commons