Buy Early Summer, 30cm to 60cm, Normal Soil, Shade Aspect plants online UK

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]

Symphytum azureum: A spreading perennial with green leaves and clusters of pure blue flowers May-July. Grows vigorously in damp shade. Up to 60cm