Hardy or sensitive to frost?

Slipper flowers in indoor culture

There are around 300 different types of Slipper flowerwhich are partly one-year, partly two or even several years. Most of the specimens sold in August are usually only annual varieties that bloom over the winter and eventually die off after blooming. These plants do not need special wintering, but simply get a nice, warm spot on the window sill at home.

Biennial and perennial slipper flowers

Other species and cultivars, in turn, were specifically made for a perennial Culture on the balcony or grown in the garden, although the slipper flowers, which are sometimes declared as "hardy", are not. You can plant hardy slipper flowers in the garden, but there the plants need adequate protection by covering them with leaves and brushwood. In contrast, biennial, mostly not winter-hardy, varieties overwinter under cold house conditions frost-free, but cool at a maximum of 10 ° C. Make sure you have enough light in your winter quarters!

Propagate slipper flowers

Instead of laboriously overwintering the plants, you can simply use the mother plant for propagation in autumn and instead bring the cuttings over the winter.

Unlike many other perennials, you don't have to prune back slipper flowers before the winter break. Instead, it is sufficient to regularly remove faded and dried-up parts of the plant - then the plant is often still developing another bloom. However, you should water slipper flowers in your winter quarters from time to time, just that Fertilize can be omitted.