Content
- Asclepias tuberosa (silk plant) is not always hardy
- Not all varieties of Asclepias tuberosa are hardy
- Overwinter Asclepias tuberosa
- Hibernate Asclepias tuberosa in a tub
- Maintaining a silk plant in the field
- Tips
Some varieties of Asclepias tuberosa are hardy
Asclepias tuberosa (silk plant) is not always hardy
There are about 200 different species of Asclepias tuberosa, also called silk plant. Not all varieties are really hardy, even if they are often offered in the trade. It is therefore advisable to take care of the plant in the bucket in order to be able to overwinter it frost-free.
Not all varieties of Asclepias tuberosa are hardy
In Asclepias tuberosa the expert distinguishes between three species that are different hardy. There are
So you know how to maintain your silk plant in winter, you should know the variety. This is not easy with the multitude of species.In case of emergency, ask a specialist.
Overwinter Asclepias tuberosa
The non hardy varieties should be pulled in the bucket so that they can be overwintered in the winter in the house. They tolerate temperatures only up to ten degrees.
Conditionally hardy Asclepias tuberosa survive winter temperatures down to minus 10 degrees Celsius and may therefore be planted in sheltered locations directly in the garden. However, you should get a light winter protection.
Hardy varieties cope with even lower temperatures, but should stand in a sheltered place.
Hibernate Asclepias tuberosa in a tub
Non-hardy Asclepias tuberosa needs to be placed in a place where temperatures do not drop below 12 degrees Celsius in winter. When it gets colder, the leaves fall off. The new release is delayed and thus the flower in the coming year.
A bright location is important. Asclepias tuberosa is only sparsely watered in the bucket in winter so that the root ball does not dry out completely. You should not fertilize the silk flower at this time either.
Maintaining a silk plant in the field
A hardy Asclepias tuberosa is best planted in a sheltered location where the soil is well drained.
In winter, the plant loses almost all leaves in the field. To protect them from frost damage, cover the planting areas with leaves, brushwood or other suitable materials.
Tips
Winter hardy Asclepias tuberosa, which you keep in the garden all year round, you'd better plant with root barrier. The silk flower forms many strong foothills and spreads very quickly very strong.