Amsonia

Information About Amsonia

Information About Amsonia
  • 1572
  • Mark Cole

The Amsonia flower is a North American native with a long season of interest. It emerges in spring with willowy foliage that forms a neat, rounded mound. In late spring and early summer, loose clusters of half inch (1 cm.), star-shaped, blue blossoms cover the plant, giving rise to the common name blue star.

  1. How fast does Amsonia grow?
  2. What family is Amsonia in?
  3. Does Amsonia Blue ice spread?
  4. When can I move Amsonia?
  5. Is Amsonia poisonous?
  6. Does Amsonia like full sun?
  7. How do you prune Amsonia?
  8. Is Amsonia deer resistant?
  9. How do you grow Amsonia Hubrichtii?
  10. Where does Amsonia Blue Ice grow?

How fast does Amsonia grow?

If you don't want to start seeds, blue star plants are becoming more commonly available in garden centers and develop into good sized plants within two to three years.

What family is Amsonia in?

Amsonia is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean.

Does Amsonia Blue ice spread?

Slowly spreading by very short rhizomes, Blue Ice adds a billowy, finely textured element to the landscape. With early-season blue flowers, attractive summer foliage, a sturdy habit and golden fall color, it is a first-rate garden plant. Grows up to 12-16 in.

When can I move Amsonia?

Also, planning an amsonia transplant day around the weather will help reduce stress. It is always preferred to transplant on cooler cloudy days, when intense heat and sun will not add more stress to the plant.

Is Amsonia poisonous?

Amsonia is a member of the Dogbane Family (Apocynaceae). Family members like the infamous oleander typically have milky or viscous sap that can be loaded with highly toxic alkaloids. The Bluestars' latex sap is mildly irritating and not considered to be harmful to humans.

Does Amsonia like full sun?

In soils that are constantly moist, Amsonia prefers full sun. Otherwise, plant it in light to partial shade. Too much shade causes the plants to sprawl or flop open.

How do you prune Amsonia?

Plants must be cut back in either the late fall or late winter to about 8 inches from the ground. Remember to wear gloves when working with Amsonia since stems release a white sap. Though not required, cutting them back again half way to the ground after flowering will result in even fuller growth.

Is Amsonia deer resistant?

Amsonia may be planted in the spring or fall. Is amsonia deer resistant? Amsonia is tolerant to deer, they usually avoid amsonia, however if food is scarce deer may eat amsonia.

How do you grow Amsonia Hubrichtii?

Amsonia hubrichtii can be propagated by seed or division. Due to irregular germination, which occurs over several weeks, division is the most reliable method of propagating this plant. For growers interested in starting amsonia from seed, sow two to three seeds per cell (128- or 72-cell plug trays work well).

Where does Amsonia Blue Ice grow?

Amsonia thrives in most gardens with little care. It is low-maintenance, easy to grow and trouble-free. Plant it in full sun or partial shade and moist soil of average fertility. If grown in too much shade or very rich soil, its habit will be open and floppy.

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