How do you water Asclepias tuberosa correctly?
During the growth phase from spring to late summer, water Asclepias tuberosa abundantly without allowing waterlogging to occur. Do not leave water in the saucer or planter.
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In winter, the watering quantities are significantly reduced. The plant substrate should not dry out completely.
When do you fertilize silk plants?
Fertilize During the growth phase, feed the milkweed with liquid fertilizer for flowering plants every 14 days.
Is Asclepias tuberosa pruned?
Most of the Asclepias tuberosa varieties are easy to cut. They are cut so that they branch better and to prevent balding in the lower area.
To extend the flowering time, cut off any that has faded immediately.
In spring, shorten the branches to 20 to 25 cm.
What should be considered when repotting?
Repot the Asclepias tuberosa in spring when the previous pot has become too small.
Milkweed is easy to divide in order to multiply. However, you have to wait until after flowering. In this case, do not repot the Asclepias tuberosa until later.
What diseases and pests do you need to watch out for?
Diseases usually only arise when the root area is too wet. The roots can then rot.
Pests such as aphids and whiteflies are more common. Therefore, examine the plant regularly.
How do you care for Asclepias tuberosa in winter?
Many varieties of Asclepias tuberosa are not or only partially winter hardy. Non-winter-hardy varieties should not be cooler than ten degrees. When it gets colder, the leaves fall off.
Bring the bucket into the house in good time, before the night-time temperatures drop too much. During the wintering period, there is only moderate watering and no more fertilization.
Asclepias tuberosa kept outdoors should be covered with leaves or brushwood in autumn.
Tips
The fruits of Asclepias tuberosa are edible as long as they have not yet formed a seed. The plant itself belongs to the dog poison family and is therefore poisonous.