Achillea

Flat heads of tiny bright red flowers that fade to dusky ochre. 45cm

Flat heads of lilac flowers in midsummer. 60cm

This is out most popular achillea. Part of its attraction is its height - only about 50cm tall - and the pale creamy-lemon flowers.

Typical flat flowerheads, these are soft pale lemon-yellow. 60cm

Good strong-red flowers. Height 60cm.

From Ernst Pagels' nursery in Germany, this strong upright Achilleas has grey-green lacy foliage. The flower heads start deep orange and fade to creamy yellow. 120cm.

Bright orange-red flowers over ferny grey foliage. 35cm

Tiny mounds of silver foliage with short stems of small white daisy-like flowers. Good rockery or front-of-border plant for sunny spots. Very refined but easy to grow. 15cm.

Feathery silvery white foliage and buds that then open to acid yellow flowers. 30cm