Eupatorium lecheifolium Greene
Eupatorium linearifolium Michx.
Eupatorium torreyanum Short & R.Peter
Eupatorium crassifolium Raf.
Uncasia hyssopifolia (L.) Greene
Uncasia lecheaefolia (Greene) Greene
Uncasia torreyana (Short & R.Peter) Greene
Eupatorium hyssopifolium is a herbaceous perennial plant producing a clump of sparsely-branched stems from 50 - 100cm tall[
The plant is harvested from the wild for local use as a medicine and source of materials.
Central and Eastern N. America - Wisconsin to Massachusetts, south to Texas and Florida
]. Dry, open, disturbed sites, along roadsides; at elevations from 10 - 200 metres[
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Eupatorium hyssopifolium is a very cold-hardy plant, able to tolerate temperatures down to around -25°c when fully dormant[
Succeeds in ordinary well-drained but moisture retentive garden soil in sun or part shade[
Plants seem to be immune to the predations of rabbits[
The entire plant is applied externally as a remedy for the bites of reptiles and insects[
The plant is used as a strewing herb and to discourage insects[
Seed - sow spring in a cold frame and only just cover the seed. Prick out the seedlings into individual pots when they are large enough to handle and plant them out into their permanent positions in the summer.
Division in spring or autumn[
]. Very easy, the clumps can be replanted direct into their permanent positions.