We have found 26 plants that meet your criteria.

Yarrow ‘Achillea filipendulina Cloth of Gold’ Flat, plate-like yellow flowers on tall stems £5.99 Buy
Yarrow ‘Achillea millefolium Lansdorferglut’ Subtle shades for prairie style planting £6.99 Buy
Price Pruned
Yarrow ‘Achillea millefolium Lilac Beauty’ An unusual lilac, yarrow NOW £5.49 Buy
Yarrow ‘Achillea millefolium Red Velvet’ Deep red, flat heads of flowers and feathery foliage £5.49 Buy
Yarrow ‘Achillea Moonshine’ Lovely, large sulphur-yellow flowers £5.99 Buy
Price Pruned
Bugbane (syn. Cimicifuga) ‘Actaea simplex Brunette’ Tall, dramatic flower spikes in early autumn NOW £12.99 Buy
Wild Angelica ‘Angelica sylvestris Vicar's Mead’ Great for a wildflower garden £6.99 Buy
Sea Holly ‘Eryngium x zabelii Jos Eijking’ Spiny metallic-blue flowers in late summer £7.99 Buy
Price Pruned
Ginger Lily ‘Hedychium gardnerianum’ Architectural foliage and fragrant yellow flowers NOW £6.99 Buy
Moor Grass ‘Sesleria autumnalis’ Perfect for informal edging £5.99 Buy
Golden Oats ‘Stipa gigantea’ Excellent for the back of the border £7.99 Buy
Price Pruned
Stipa ( syn. Stipa tenuifolia... ‘Stipa tenuissima’ Lovely architectural Grass NOW £5.99 Buy
Price Pruned
Yarrow ‘Achillea millefolium Cerise Queen’ Flat, magenta flowers on tall stems NOW £5.49 Buy
Sneezewort ‘Achillea ptarmica The Pearl’ Masses of snow-white, button flowers £5.99 Buy
Yarrow ‘Achillea Summerwine’ Long-lasting, wine-red flowers £5.99 Buy
Price Pruned
Yarrow ‘Achillea Terracotta’ Long-lasting, rich terracotta flowers NOW £5.49 Buy
Price Pruned
Yarrow ‘Achillea Walther Funcke’ Bright, terracotta flowers with flat heads NOW £5.49 Buy
Bugbane (Cimicifuga) ‘Actaea matsumurae White Pearl’ Lights up a shady area in autumn £5.99 Buy
Angelica ‘Angelica gigas’ Tall, dramatic burgundy flowers £6.99 Buy
Camellia ‘Camellia sasanqua Narumigata’ Autumn-flowering camellia £12.99 Buy