Chaenomeles x superba ‘Pink Lady’ (syn. C. speciosa ‘Pink Lady’) – A thornless cultivar of Flowering Quince with clear pink flowers emerging from March to May. This deciduous shrub has small glossy green leaves and is best trained espalier-style on a wall or fence. The sporadic edible yellow fruits are often used to make jelly. Grows 5′ high and wide. AGM. Hardy to zone 5.
Potentilla fruticosa ‘Primrose Beauty’ – This Award of Garden Merit winner is a compact deciduous shrub with fern-like compound foliage of tiny (hairy) greyish-green leaves. This Cinquefoil bears beautiful primrose yellow flowers (with a darker center) all summer, from May to September. Best in full sun. Grows 3′ tall and wide. Hardy to zone 3.
Camellia japonica ‘Debutante’ – An old cultivar (bred in the early 1900’s by Gerbing’s Azalea Nursery) of Japanese Camellia with clear light pink blooms of peony form (the flower shown is just opening does not have the typical central ruffle) staring in March and lasting for 4-6 weeks. It has lustrous deep green foliage and a compact form. Grows 6-10′ by 4-7′ wide. Zone 7.
Choisya ternata – Mexican Orange is a rounded broadleaf evergreen shrub with glossy, dark green leaflets held in groups of three. This Award of Garden Merit winner bears fragrant (some might call pungent) round clusters of white flowers in late spring, with a repeat bloom again in late summer. Shelter from cold winter winds. Grows 4-6′ high and wide. Hardy to zone 7.
Daboecia cantabrica ‘Waley’s Red’ – This Irish Heath is an Award of Garden Merit winner with unique bell-shaped blooms of bright magenta emerging from late spring to early fall (June to October). These are larger than your typical heather and stand well above the foliage canopy of glossy dark green leaves. Part to full sun. Grows 14″ high by 20″ wide. Hardy to zone 6.