Ajuga reptans 'Burgundy Glow' (Bugle 'Burgundy Glow'): A variegated form of the superb ground cover plant with green and white leaves tinged with dark pinky red. Blue flower spikes in summer. Hardy.

Ajuga reptans 'Variegata' (Bugle 'Variegata'): Superb ground cover plant with green and white variegated leaves and blue flower spikes in summer. Very attractive to bees.

Anthriscus sylvestris 'Ravenswing' (Purple cow parsley): A dark leaved form of the common cow parsley. To 1.5m. Hardy. Tends to be biennial.

Centaurea montana (Perennial cornflower): Large blue flowers in early summer, repeated later in year if cut back. Very attractive to bees. To 50cm. Hardy

Geranium himalayense 'Derrick Cook' (Cranesbill 'Derrick Cook'): Large white flowers with delicate purple veining above a clump of bright green leaves. Foliage turns red in autumn. To 35cm. Hardy.

Geranium macrorrhizum 'Bevan's Variety' (Cranesbill 'Bevan's Variety'): Superb ground cover Geranium especially for dry shade. Bright pink over a dense mound of aromatic foliage. Hardy. To 30cm.

Persicaria bistorta 'Hohe Tatra' (Bistort 'Hohe Tatra'): Upright pink spikes from May to July. Flowers slightly smaller and later than 'Superba'. Hardy. Height to 45cm.

Persicaria bistorta 'Superba' (Bistort 'Superba'. Syn. Polygonum bistorta 'Superbum'): Upright fluffy pink spikes make a bold show in early summer. Great for filling larger spaces. Hardy. Up to 60cm. [Collect Only]

Valeriana officinalis (Common valerian): Tall perennial with branched stems of tiny, soft white/pale pink flowers in early summer. Ferny, foliage. Hardy. Up to 1.2m. [Collect Only]