The attractive water nut is also very popular with German hobby gardeners and aquarists. However, it is a very difficult plant to cultivate and will not grow and thrive without certain conditions being met. You can find out whether you can overwinter the water nut (and if so, how) in this article!
Can the water nut overwinter?
The classic water nut (Trapa natans) is an annual and cannot be overwintered. The variety Trapa natans var. bispinosa (Chinese two-thorned water nut), on the other hand, can be overwintered in the greenhouse or winter garden under artificial light to keep it alive.
Can the water nut overwinter?
The “classic” water nut (Trapa natans) is an annual plant. Overwintering or trying to do so usually makes no sense for her.
Variety Trapa natans var. bispinosa
Things look different with the variety Trapa natans var. bispinosa (Chinese two-thorned water nut or Singhara water nut). It can be overwintered. To do this, you need to keep the plant under artificial light in the greenhouse or winter garden. Otherwise she won't survive.
The variety is characterized by its olive-green leaves and the seven parallel veins on the leaf blade. These parallel nerves are reddish to reddish brown in color.