We have found 65 plants that meet your criteria.

Achillea filipendulina 'Cloth of Gold' Yarrow Flat, plate-like yellow flowers on tall stems £5.86 Buy
Price Pruned
Achillea millefolium 'Cerise Queen' Yarrow Flat, magenta flowers on tall stems NOW £5.37 Buy
New
Achillea millefolium 'Lansdorferglut' Yarrow Subtle shades for prairie style planting £6.35 Buy
Price Pruned
Achillea millefolium 'Lilac Beauty' Yarrow An unusual lilac, yarrow NOW £5.37 Buy
Achillea millefolium 'Red Beauty' Yarrow Striking dark red flowers throughout the summer £5.86 Buy
Achillea millefolium 'Red Velvet' Yarrow Deep red, flat heads of flowers and feathery foliage £5.37 Buy
Achillea 'Moonshine' Yarrow Lovely, large sulphur-yellow flowers £5.86 Buy
Achillea 'Paprika (Galaxy Series)' Yarrow Bright, orange-red flowers £5.86 Buy
Price Pruned
Achillea 'Terracotta' Yarrow Long-lasting, rich terracotta flowers NOW £5.37 Buy
Price Pruned
Achillea 'Walther Funcke' Yarrow Bright, terracotta flowers with flat heads NOW £5.37 Buy
Agastache 'Black Adder' Hyssop Distinctive violet, bottlebrush flowers £5.86 Buy
Price Pruned
Agastache 'Blue Fortune' Mexican Giant Hyssop Spires of lilac flowers and aromatic leaves NOW £5.37 Buy
Price Pruned
Allium cristophii star of Persia Huge globes of star-like, lilac flowers NOW £5.86 Buy
Crocus Special Offers
Allium giganteum ornamental onion Large, showy lilac-pink globes NOW £6.84 Buy
Crocus Special Offers
Allium hollandicum 'Purple Sensation' Dutch garlic Rich, deep purple globes NOW £5.86 Buy
Crocus Special Offers
Allium sphaerocephalon round-headed leek Small, wine-coloured flowers on tall stems NOW £5.86 Buy
Crocus Special Offers
Allium 'Schubertii' Allium Schubertii Giant pink starbursts NOW £4.88 Buy
Angelica gigas Angelica Tall, dramatic burgundy flowers £6.84 Buy
Price Pruned
Angelica sylvestris 'Vicar's Mead' Wild Angelica Great for a wildflower garden NOW £5.86 Buy
Anthemis tinctoria 'E.C. Buxton' Golden Marguerite Cheerful, lemon-yellow daisy-like flowers £5.37 Buy