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
The blueish green foliage looks fresh all year round. In early summer the lime yellow flowers dramatically tower above the plant. A great evergreen plant. Height 100 cm. Spread 90 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.
Dark green foliage. Strong upright stems of lemon- yellow flowers with yellow centres from June to August. Petals fade to a butter yellow then cream with age. Height 35cm.
Shasta Daisy Showy pom-pom like double flowers in Summer. Blooms begin pure yellow gradually becoming two-toned with the edges fading to a creamy white. Height 50cm.