Filipendula ulmaria is a PERENNIAL growing to 1.2 m (4ft) by 0.4 m (1ft 4in) at a medium rate.It is hardy to zone (UK) 2 and is not frost tender. It is in flower from June to August, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, beetles. The plant is self-fertile.It is noted for attracting wildlife.
Water regularly during the transplant season so the plant becomes well established and then let the rain do most of the work.
light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: neutral and basic (alkaline) soils.
Avoid for asthmatics. Use by children for diarhoea not recommended or for children under 12 due to salicylate content (risk of Reye's syndrome)