Briza media (Lesser quaking grass):
Semi-evergreen grass with beautiful delicate dangling flower heads. Short lived perennial but it will self-seed around. Up to 70cm.
Geranium nodosum (Knotted cranesbill):
Fast spreading hardy geranium with purplish pink flowers over a long season in summer. A great gap filler. Up to 50cm.
Geum 'Borisii':
A shorter form with vivid orange-red flowers on upright stems and semi-evergreen foliage. Vigorous and good for front of border. Hardy. Up to 30cm.
Geum 'Rijnstroom':
A bright orange semi-double flower in late spring. Prefers a moist soil and sunny spot but can tolerate light shade. Hardy. Up to 50cm.
Geum 'Werner Arends' (Avens 'Werner Arends'):
An old cultivar which stays compact. A bright clean orange flower on an upright stem above a rosette of crinkly leaves. Hardy. Up to 35cm.