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
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.
Compact and well branched series. Blooms from late Spring to first frosts. Great in containers. Large bright yellow flowers. Deadhead regularly. Position in full sun. Attracts butterflies. Height 30cm. Spread 30cm.
An abundance of small golden-yellow flowers covering a mound of tight green foliage from May to October. Will trail downsides of pots, baskets, etc. Prefers a position in full sun or partial shade. Height 20cm.