Achillea ptarmica 'The Pearl' (Yarrow 'The Pearl): Tight buttons of white flowers, ferny grey/green foliage. Prefers full sun and light well-drained soil. Hardy. Up to 60cm. [Collect Only]

Aster divaricatus (White wood aster. Syn. Eurybia divaricata): Upright dark stems with a mass of small white starry flowers. Large, oval dark green mildew resistant leaves. Good for shade. Hardy. Up to 60cm. [Collect Only]

Catananche caerulea 'Alba' (Cupid's Dart (White)): Papery white flowers above slender grey-green foliage. Flower heads retains attractive form through winter. To 60cm. Hardy

Geranium macrorrhizum 'White Ness' (Cranesbill 'White Ness'): Pure white flowers over aromatic, bright green, evergreen foliage. Good groundcover in shade. Hardy. Up to 50cm.

Leucanthemum x superbum 'Aglaia' (Shasta Daisy 'Aglaia'): Double, frilly white flowers in late summer and autumn. Glossy green foliage. Fully hardy, dislikes soggy soils. Height to 50cm

Ligusticum scoticum (Scottish Lovage): Native plant with white umbels above mound of green leaves. Celery like leaves. Up to 60cm. Hardy

Nepeta racemosa 'Snowflake' (Catmint 'Snowflake'): Compact variety of catmint forming mounds of silvery-green foliage and masses of clear white flowers. Loved by bees. Hardy. Up to 45cm.

Salvia x sylvestris 'Schneehugel' (Wood Sage 'Schneehugel'): White flower spikes above grey-green leaves. Flower over a long season from mid-summer. Bees love it! Hardy. Up to 50cm. [Collect Only]

Scabiosa caucasica 'Perfecta Alba' (Scabious 'Perfecta Alba'): Large pure white frilled flowers over lance-shaped grey-green foliage. Height to 60cm. Hardy. [Collect Only]

Stokesia laevis 'Alba' (Stoke's aster): Large fluffy white flowers in mid summer above slender green leaves. Likes a well drained but fertile soil in full sun. Up to 60cm. Hardy

Veronica longifolia 'Charlotte' (PBR) (Long-leaved speedwell 'Charlotte'): Spikes of white flowers, slender variegated leaves. Good in sun or part shade. Hardy. Height to 40cm. [Collect Only]