Masses of bright yellow florets form dense, slightly flattish flowerheads, which act as landing pads for pollinating insects, over its slightly fuzzy and finely cut mid green leaves.
ACHILLEA ptarmica 'Boule de Neige' (The Pearl Group)
This variety of Achillea has a button-like flower shape with double white flowers in mid summer, which contrast well with the dark green finely cut foliage.