Amsonia tabernaemontana has a milky sap but is not know to be harmful to human

The Amsonia tabernaemontana easily grown in average, medium, well-drained soil in full sun to part shade. When this plants grown in full sun, plants often require no pruning or staking. Amsonia tabernaemontana is commonly cultivated, the genus Amsonia contains 22 species, most of which have horticultural merit or potential. In the US they are commonly known as bluestars. This plants is a genus of clump-forming herbacceous perennials with multiple leafy stems growing from a semi-woody rootstock. The plants height varies from 13.5cm to nearly 1.2m. The individual flowers, up to 1.5cm in diameter, have funnel-shaped corollas with five sharply pointed, spreading petal lobes, and are star-like in overall appearance.

The uses of this plants is, easy to grow plants which is best massed in informal settings such as native plants gardens, shade garden or open woodland areas and also appropriate for borders. Amsonia is a Missouri native herbaceous perennial which occurs most frequently in rich, open woods and thickets in the southwester part of the State. There are many kinds of Amsonia plants and if you search amsonia you can only find two top search. Search Amsonia with particular name and you will find them. There is Amsonia ludoviciana, Amsonia hubrichtii and more. The amsonia tabernaemontana has a milky sap and relatively innocuous. It is not know to be harmful to humans but does seems to discouraged predation by deer and other mamals but this is a good thing for many gardeners.