Even if the passionflower prefers to be warm, there are also species that survive our winters. We present three hardy passion flowers.
In milder regions of Germany there are some Passion flowers (Passiflora) bring you through the winter outdoors, as we will show you below. At the end of the article you will also find a few tips on how to properly winterize outdoors and what you need to consider.
Since passion flowers come more from the tropical latitudes, they are not exactly prepared for a Central European winter. But still: By choosing the right variety and with a little preparation, your passion flower can survive a winter outdoors.
The 3 best hardy passion flowers
While many species of passionflower are not hardy, there are some that can even survive frost.
- the Blue passion flower (Passiflora caerulea) is often available in stores in Germany and, with the right protection, can withstand mild winters with temperatures as low as -9 ° C. Some varieties like ‘Constance Eliott’ and especially too "Chinensis" tolerate temperatures down to -15 ° C.
- the Flesh-coloredPassion flower (Passiflora incarnata) also survives harsher winters with temperatures as low as -20 ° C.
- the Yellow passion flower (Passiflora lutea) can withstand temperatures below -15 ° C. It can even withstand temperatures as low as -30 ° C for short periods.
At these low temperatures, however, the above-ground parts of the plant die off. In spring, however, the plant sprouts again.
Hibernate passionflower outside
Although the passion flower species mentioned are quite hardy, they also require some preparation and protection from winter and frost. It is important that only planted passion flowers should be overwintered outside. If the plants are in a pot or bucket, the probability is quite high that the root ball will freeze through and the plant will die. Passion flowers should be planted in a sheltered place - for example near a bush, a house wall or a wall. To protect the roots from the cold, cover them with leaves and sticks.
Summary of overwintering passion flowers outside:
- Do not overwinter outside in a pot or bucket
- Plant the passion flower in a sheltered place
- Protect roots with sticks and leaves
