Cirsium rivulare 'Atropurpureum'
Description: An interesting herbaceous perennial which produces many heads of small deep purple red pin cushion flowers in June - July which are loved by wildlife.
The mass of thin thistle like flower heads look best as a drift of several plants or a well developed clump.
Grey green deeply cut leaves.
Climate/Position: Sun or partial shade.
Height/Spread: Flower spikes 1.2m tall, spreading clump of rhizomes(underground stems) but not invasive.
Soil Requirements: Moist soils lower pH and sandy texture is preferred.
Pruning: Seed heads can be left through the autumn for wildlife or can be cut back in October for a clean border as required.
Special Requirements: Best if left to develop a clump.
'Atropurpureum' means very purple referring to the flowers. For effective display plant near to a purple foliage plants.