This grower is sure of this plant identification.
Musk mallow, Mallow
Malva moschata (Musk mallow). The perennial has narrow, lobed, divided leaves with a sticky, hairy texture. They will bear profuse spikes of saucer-shaped pink flowers in the summer. This plant is often found in the wild in Northern Europe.
These plants prefer a sunny, well-drained soil. They are very frost hardy.
Border, cutting bed