One of the perennial species is, for example, the chocolate-scented Cosmea atrosangiuneus. Because of its scent, the black and red blooming Cosmea is also called the chocolate flower. Dig up the tubers and store them in a dry, dark place at around 5 ° C. In May, the cosmeen are then planted back in the garden. Container plants overwinter at the same temperatures, are only watered occasionally and not fertilized.
Winter tips for perennial species of Cosmea:
- Dig up the roots
- store frost-free
- plant out again after the Ice Saints
- Winter frost-free
- Water potted plants sporadically
- do not fertilize
Tips
When you buy your Cosmea, inquire whether it is a perennial species, because only then is it worth wintering.