We have found 39 plants that meet your criteria.

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
African Lily ‘Agapanthus africanus’ Globes of blue flowers in late summer £5.99 Buy
Bowles' Golden Sedge ‘Carex elata Aurea’ Gorgeous yellow grass for moist soil £5.99 Buy
Umbrella Plant ‘Darmera peltata’ Wonderfully bold foliage plant £5.49 Buy
Sea Holly ‘Eryngium x zabelii Jos Eijking’ Spiny metallic-blue flowers in late summer £7.99 Buy
Spurge ‘Euphorbia characias Silver Swan’ Delightful variegated foliage £6.99 Buy
Price Pruned
Spurge ‘Euphorbia nicaeensis’ Long lasting flowers and structural shape NOW £5.49 Buy
Spurge ‘Euphorbia seguieriana’ Great for adding texture and structure £5.49 Buy
Price Pruned
Ginger Lily ‘Hedychium greenii’ A more compact form with red flowers NOW £6.99 Buy
Plaintain Lily ‘Hosta Sum and Substance’ Slugs and snails hate this one ! £5.99 Buy
New Zealand Flax ‘Phormium Platt's Black’ Dramatic, almost black, strappy foliage £13.99 Buy
New Zealand Flax ‘Phormium tenax’ Large, architectural evergreen with strappy leaves £13.99 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
Price Pruned
Yarrow ‘Achillea Terracotta’ Long-lasting, rich terracotta flowers NOW £5.49 Buy
African Lily ‘Agapanthus africanus Albus’ White globes of trumpet-shaped flowers £6.99 Buy
African Lily ‘Agapanthus Black Pantha’ Deep blue, almost black flowers £8.99 Buy
African Lily ‘Agapanthus Headbourne Hybrids’ Showy globes of blue and white flowers £5.99 Buy