Achilleas come in a beautiful range of colours. Achillea 'King Alfred' is a is different to many Achillea you may see around. It is a small slow growing mat/mound forming perennial – only 10-15cm in height when fully grown.
Barbarea, also known as 'wild cress', can be biennials or perennials, with simple or pinnate leaves and small, 4-petalled yellow or white flowers, followed by slender seed-pods
Mostly grown for its lacy silver grey foliage, which will look well in any rockery. The yellow flowers will appear in Spring. Best planted in a sunny spot. Height 15 cm. Spread 20 cm.
An evergreen addition for the rockery, front of border or walls. Single yellow flowers with orange eye against silver-green foliage in early summer. Second flush in late summer. Height 20 cm. Spread 40 cm.
If you want to add a touch of grey to your rockery this is a good choice. The pale yellow flowers have darker yellow centres and appear from Spring. Height 20 cm. Spread 40 cm.
Green groundcover on a year round basis. In summer bright yellow flowers cover its succulent leaves. Needs a dry and sunny spot. Height 15 cm. Spread 50 cm.
