Storing Crocosmia Corms. Learn how to grow crocosmia in your garden with the rhs expert guide on choosing, planting, feeding, pruning and propagating plants. Unlike other plants that grow from corms, such as gladiolus, crocosmia corms develop along.
If your partial shade crocosmia plants are reaching towards the sun, dig up the corms once the foliage has faded and relocate them to a sunnier. The corms store everything the crocosmia needs to grow. Crocosmia attract hummingbirds and other.