Horsetail Milkweed Care. Subverticillata or horsetail milkweed grows up to 4 ft. It prefers disturbed habitats such as roadsides sandy flats or grasslands between 3 000 8 000 ft.
The greenish white flowers give rise to pods 1 to 3 inches long from may to september. The less disturbed the better. Horsetail milkweed whorled milkweed interesting notes.
Horsetail milkweed is an erectstemmed plant growing to 5 feet tall.
Please note asclepias verticillata is highly toxic to livestock and horses it should not be allowed to take root in pastures or hayfields. Even though they re technically weeds they have rather particular requirements for their roots. Horsetail milkweed a little more about horsetail milkweed once you ve purchased your plants it s best to get them in the ground as soon as possible. Try to keep the roots intact while transplanting.