We have found 28 plants that meet your criteria.

Achillea filipendulina 'Cloth of Gold' Yarrow Flat, plate-like yellow flowers on tall stems £5.99 Buy
Price Pruned
Achillea millefolium 'Cerise Queen' Yarrow Flat, magenta flowers on tall stems NOW £5.49 Buy
New
Achillea millefolium 'Lansdorferglut' Yarrow Subtle shades for prairie style planting £6.49 Buy
Price Pruned
Achillea millefolium 'Lilac Beauty' Yarrow An unusual lilac, yarrow NOW £5.49 Buy
Achillea millefolium 'Paprika' Yarrow Bright, orange-red flowers £5.99 Buy
Achillea millefolium 'Red Beauty' Yarrow Striking dark red flowers throughout the summer £5.99 Buy
Achillea millefolium 'Red Velvet' Yarrow Deep red, flat heads of flowers and feathery foliage £5.49 Buy
Achillea 'Moonshine' Yarrow Lovely, large sulphur-yellow flowers £5.99 Buy
Price Pruned
Achillea 'Terracotta' Yarrow Long-lasting, rich terracotta flowers NOW £5.49 Buy
Price Pruned
Achillea 'Walther Funcke' Yarrow Bright, terracotta flowers with flat heads NOW £5.49 Buy
Actaea matsumurae 'White Pearl' Bugbane (syn. Cimicifuga) Lights up a shady area in autumn £8.99 Buy
Price Pruned
Actaea simplex 'Brunette' Bugbane (syn. Cimicifuga) Tall, dramatic flower spikes in early autumn NOW £12.99 Buy
Angelica gigas Angelica Tall, dramatic burgundy flowers £6.99 Buy
Price Pruned
Angelica sylvestris 'Vicar's Mead' Wild Angelica Great for a wildflower garden NOW £5.99 Buy
Eryngium x zabelii 'Jos Eijking (PBR)' Sea Holly Spiny metallic-blue flowers in late summer £7.99 Buy
Sesleria autumnalis Moor Grass Perfect for informal edging £5.99 Buy
Stipa calamagrostis Pheasant Grass Dramatic and architectural £5.99 Buy
Stipa gigantea Golden Oats Excellent for the back of the border £7.99 Buy
Price Pruned
Stipa tenuissima Stipa ( syn. Stipa tenuifolia... Lovely architectural Grass NOW £5.99 Buy
Achillea ptarmica 'The Pearl' Sneezewort Masses of snow-white, button flowers £5.99 Buy