Centranthus ruber var. coccineus (Valerian dark pink): Panicles of dark-red flowers in mid-summer, loved especially by butterflies. Classic cottage garden plant. Hardy. Up to 50cm.

Dianthus cruentus (Blood pink): Deepest red flowers held on airy stems above grassy foliage. Thrives in poor, well drained soil in full sun. Dislikes wet, cold, heavy soils.To 60cm.

Penstemon 'Schoenholzeri': Brilliant scarlet tubular flowers, slender leaves.

Potentilla 'Gibsons Scarlet' (Cinquefoil 'Gibsons Scarlet'): Loose sprays of single crimson flowers in summer. Long flowering period. Hardy. Up to 50cm.

Potentilla thurberi 'Monarch's Velvet' (Cinquefoil 'Monarch's Velvet'): Dark red velvety flowers with a darker eye held daintily above green, deeply divided foliage

Trifolium rubens 'Red Feather' (Ornamental clover 'Red Feather'): Fat spikes of red clover-like flowers above three-lobed foliage. Hardy. Up to 60cm.