Wednesday, October 9, 2013

Random plant fact - Amsonia Hubrichtii - Arkansas Blue Star

  

AMSONIA HUBRICHTII

A native perennial that is erect and clump forming with clusters of brilliant star shaped light blue flowers. The size of Amsonia is 36” tall and about 36” wide per plant. But it does grow in clumps. Thrives in full sun to part shade in average  to dry soils, in zones 4-9. Not only does it have brilliant flowers, the thread-like foliage and bright yellow to gold autumn foliage makes this plant one of my favorites with its three seasons of interest. The feathery, needle-like foliage and alternate leaves make it easy to identify. There is also not much problems with this plant. It currently has no insect or disease problems. But for maintenance, the plants may flop, especially is not cut back after flowering.
Amsonia is native to Arkansas, so one of its common names is Arkansas Blue Star. Amsonia can be used as a border plant mixed in with ornamental grasses and other plants that have attractive seed heads.  Growing in a dense mass, it can very much look like a small shrub.  With its amazing finely textured features, it mixes well with most plants, which makes it very versatile.  Since it is so versatile, I can see Amsonia being easily used in sunny borders, native gardens, cottage plantings, and even in large container plantings. With blooms in early spring, magnificent fall color, and great whispy thread-like foliage. It is one of the best. 
Propagation of Amsonia Hubrichtii, can be done by seed, division or softwood cuttings. The seeds of it germinate very irregularly over a long period. Softwood cuttings are usually rooted in the early summer. But the easiest division for gardeners is by division in the spring.  

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