The best way to describe this splendid plant is as Thalictrum Delavayi on steroids. Same clusters of tiny pearl-like buds that open to lilac flowers with striking yellow anthers, rather coarser foliage and altogether a larger and more muscular specimen. Nice dark purple stems. Sun or semi-shade. Rich moist soil is best. To 5 feet. 2 litre pot.
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Generally doesn't need staking, so robust is this big boy. Very striking at the back of a border or as a specimen plant.
Thalictrum Rochebrunianum is a tall hardy perennial with ferny leaves and purple flowers with yellow anthers in mid to late summer suitable sun or semi-shade.