Spiraea prunifolia
An arching shrub with finely toothed dark green leaves. Clusters of double white flowers from mid to late spring.
Spiraea thunbergii
An arching shrub with light green leaves. Clusters of white flowers cover the cover the stems in spring and early summer.
Spiraea x cinerea ‘Grefsheim’
A dense shrub with soft sea-green leaves. White flowers on short stalks from late spring to early summer.
Spiraea x vanhouttei
A compact bushy shrub with arching stems of dark green leaves. Clusters of white flowers in early summer.
Spiraea x vanhouttei ‘Pink Ice’
A compact bushy shrub with arching stems of dark green leaves with white flecks and tinged pink. Clusters of white flowers in early summer.
Stachys byzantina
A mat-forming perennial with grey-green leaves, densely white-woolly. Erect woolly stems of purple-pink flowers.
Stachys byzantina ‘Cotton Boll’
A mat-forming perennial with grey-green leaves, densely white-woolly. Erect woolly stems of purple-pink flowers, forming clusters like cotton-wool balls along the stem.
Stachys byzantina ‘Primrose Heron’
A mat-forming perennial with yellowish grey leaves, densely woolly. Erect woolly stems of purple-pink flowers.
Stachys byzantina ‘Silver Carpet’
A mat-forming perennial with silvery grey leaves, densely white-woolly. Non-flowering.
Stachys coccinea
A softly hairy, perennial with veined, wrinkled mid-green leaves. Upright stems of scarlet flowers from mid-spring to mid-autumn.
Stachys macrantha
A clump-forming perennial with veined, wrinkled dark green leaves. Dense, erect spikes of hooded purplish pink flowers from early summer to early autumn.
Stachys macrantha ‘Nivea’
A clump-forming perennial of lax habit with veined, wrinkled dark green leaves. Dense, erect spikes of cream flowers from late spring to mid-summer.