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Common Name: Cone Flower
Rudbeckia laciniata is a perennial plant that can grow up to 2.40 metres tall.
It is harvested from the wild for local use as a food, medicine and source of materials.
This plant is reputed to be poisonous to cattle, sheep and pigs[
N. America - Quebec to Manitoba, Colorado Florida. Locally naturalized garden escape in Britain[
Stream banks and moist places in rich low ground[
]. Wet sites, along streams, edges of woods at elevations of 10 - 600 metres[
Succeeds in an ordinary medium soil in sun or shade[
]. Requires a moist soil[
]. Prefers a well-drained soil[
]. Tolerates considerable wind exposure without support[
]. Plants can be grown in quite coarse grass, which can be cut annually in the autumn[
]. They grow particularly well in long hot late summers[
Dormant plants are hardy to about -25°c[
Some named forms have been selected for their ornamental value[
Members of this genus are rarely if ever troubled by browsing deer[
Plants can be invasive[
Edible young stems[
]. Cooked and eaten in the spring for 'good health'[
]. The young stems can be eaten like celery[
]. The stems can also be dried for later use[
]. Some caution is advised, see the notes above on toxicity.
A tea made from the root (mixed with Caulophyllum thalictroides) is used in the treatment of indigestion[
A poultice of the flowers (mixed with Agastache anisatum and Solidago sp.) is applied to burns[
A green dye is obtained from the flowers[
Seed - sow mid spring in a greenhouse. Only just cover the seed. Germination should take place within 2 weeks, prick out the seedlings into individual pots when they are large enough to handle and plant them out in the summer[
]. The seed can also be sown in situ[
Division in spring or autumn[
]. Very easy, larger divisions can be planted out direct into their permanent positions. We have found it best to pot up the smaller divisions and grow them on in a lightly shaded position in a cold frame, planting them out once they are well established in the summer.