Buy Frost-hardy perennial, Normal Soil, Part-shade Aspect plants online UK

Libertia grandiflora (Libertia): Starry white flowers above stiff, slender strappy green foliage. To 90cm.

Penstemon 'Apple Blossom': Pale pink tubular flowers with a white throat over semi-evergreen, narrow foliage. Frost hardy. To 70cm.

Penstemon 'Garnet' (Syn. Penstemon 'Andenken an Friedrich Hahn'): Wine-red tubular flowers with white throat markings and narrow leaves. Semi-evergreen in milder areas. Protect from hard frosts.

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

Penstemon 'Sour Grapes' (Syn. Stapleford Gem): Purple-blue tubular flowers with a metallic sheen and patches of white in the throat. Protect from hard frosts. To 60cm.