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Common Name: Giant Goldenrod
Solidago gigantea is a perennial plant that can grow up to 1.20 metres tall.
It is harvested from the wild for local use as a medicine and source of materials..
N. America - New Brunswick to British Columbia, south to Florida, Texas and Utah.
Low wet areas, roadsides, pond margins and the sides of streams, generally in mesic areas[
Succeeds in any moderately fertile moisture retentive soil in sun or semi-shade[
]. Grows well in heavy clay soils.
A rather greedy plant, it is apt to impoverish the soil[
]. This species has become a weed in its native range, increasing freely by seed and at the root[
The plant attracts various beneficial insects such as ladybirds, lacewings and hoverflies to the garden, these insects will help to control insect pests in the garden[
The leaves and blossoms are astringent, cathartic and styptic[
]. They are a valuable remedy in the treatment of all kinds of haemorrhages[
]. An infusion of the blossoms has been used to treat various fevers[
An oil obtained from the plant (is this an essential oil?) is diuretic[
The stems can be made into rough baskets[
Seed - sow spring in a cold frame. Only just cover the seed and do not allow the compost to become dry. Prick out the seedlings into individual pots when they are large enough to handle, and grow them on for their first winter in pots. Plant them out into their permanent positions in spring or early summer.
Division in spring or autumn. 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.