Phyteuma comosum also named Physoplexis comosum is a member of the Campanula family. Rosettes are produced on a fat and fleshy root stock to produce coarsely toothed pointed leaves. In June or July clusters of club like flowers in Lilac to deep Purple give Physoplexis Cosoma it’s common name Devil’s Club.
- Grows best in deep very well drained limey soil.
- Needs to be protected from slugs who seem to savour the fleshy parts of the plant.
- Phyteuma comosum loves damp and cool soils therefore water it frequently in all seasons.
- The Physoplexis comosa should be grown in a bright place, with direct sunlight.
- This hardy, perennial with an RHS Award benefits from some frost protection.
- Great as an alpine plant – it should be as the family comes from the Alps.
- Comosum means with hairy tufts.
Phyteuma hemisphaericum from Spain the green grass like foliage bears short stems which carry clear blue flowers arranged in a spherical shape.
Phyteuma orbiculare has round heads of blue flowers surrounded by bracts on foot high stems. The leaves are lance shaped and can also be slightly purple like Phyteuma comosum.
Phyteuma pauciflorum few flowers but 5-7 at a time in darl blue with violet edges.
Phyteuma Scheuchzeri produces globes of bright blue flowers on slender stems. Masses of these flowers were once quite common in the Alps.