The vast majority of Calla varieties do not tolerate sub-zero temperatures. They need to be protected from cool temperatures indoors. In general, white flowering varieties are more robust than colored calla lilies. However, it is also necessary for them to spend the winter indoors.

Overwinter the calla in the pot

Overwintering a calla in a pot is particularly worthwhile if it is a variety with evergreen leaves. After flowering, she will

  • No more cast
  • Taken to a cool but bright place
  • Freed from yellow leaves
  • Taken from winter quarters from January
  • Poured slowly
  • Cautiously acclimated to warmer temperatures.

You do not have to cut back evergreen calla. Yellow leaves should be removed. Make sure that no pests such as aphids or spider mites can spread to the plant.

Calla overwinter as a flower bulb

If you planted calla in the open ground, you need to dig up the bulbs in time for wintering. You can also winter bulbs of indoor plants without soil.

Clear them of soil and put them in a place where they can dry out. Cut off the foliage.

Separate the small daughter tubers and store them separately. You can use them for propagation next year.

Bring calla bulbs out of winter quarters

Put the calla bulbs in new pots with fresh soil from January.

To plant calla in the flower bed, you have to wait until the end of May. Before that, the ground is too cold.

tips and tricks

One calla that is hardy is the Crowsborough variety. It tolerates temperatures down to -20 degrees and can therefore remain in the garden over winter.

Category:

Vegetable garden