We have found 14 plants that meet your criteria.

Miscanthus sinensis 'Strictus' Chinese Silver Grass Distinctive, variegated leaves £6.99 Buy
Price Pruned
Geranium x oxonianum 'Wargrave Pink' Cranesbill Fast-growing and long-flowering NOW £5.49 Buy
Aster turbinellus Michaelmas Daisy Sprays of violet blue flowers £5.99 Buy
Perovskia 'Blue Spire' Russian Sage Violet-blue flowers and silvery foliage. Great planted en masse £7.99 Buy
Achillea ptarmica 'The Pearl' Sneezewort Masses of snow-white, button flowers £5.99 Buy
Artemisia ludoviciana 'Valerie Finnis' Valerie Finnis Artemisia Very drought tolerant £5.49 Buy
Artemisia ludoviciana 'Silver Queen' Western Mugwort Ideal for a Mediterranean garden £5.49 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
Price Pruned
Achillea 'Terracotta' Yarrow Long-lasting, rich terracotta flowers NOW £5.49 Buy