We have found 35 plants that meet your criteria.

Chinchierinchee
Ornithogalum thyrsoides Chinchierinchee A beautiful cut-flower for the house £3.99 coming soon
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yarrow
Achillea 'Walther Funcke' yarrow Bright, terracotta flowers with flat heads £4.99 Buy
Mexican feather grass
Stipa tenuissima Mexican feather grass Wonderful, wispy, pale yellow-green leaves topped with fluffy plumes £5.99 Buy
swordleaf rush
Juncus ensifolius swordleaf rush Ideal for the natural bog garden £5.99 coming soon
yarrow
Achillea 'Moonshine' yarrow Lovely, large sulphur-yellow flowers £6.99 Buy
plantain lily
Hosta 'Big Daddy' (sieboldiana hybrid) plantain lily Enormous, grey-green, puckered leaves £7.49 coming soon
blue oat grass
Helictotrichon sempervirens blue oat grass Ideal plant for gravel gardens £7.99 Buy
stipa ( syn. Stipa tenuifolia )
Stipa tenuissima stipa ( syn. Stipa tenuifolia... Lovely architectural Grass £7.99 Buy
sea holly
Eryngium agavifolium sea holly Striking foliage £7.99 Buy
moor grass
Sesleria autumnalis moor grass Perfect for informal edging £7.99 Buy
meadow grass
Poa labillardierei meadow grass Grown for its beautiful foliage colour £7.99 Buy
plantain lily
Hosta (Tardiana Group) 'Halcyon' plantain lily One of the bluest hostas £7.99 coming soon
Japanese sedge
Carex oshimensis 'Evergold' Japanese sedge Small, variegated, evergreen grass £7.99 Buy
plantain lily
Hosta 'Patriot' plantain lily White-margined leaves £7.99 coming soon
yarrow
Achillea 'Walther Funcke' yarrow Bright, terracotta flowers with flat heads £7.99 Buy
sea holly
Eryngium bourgatii 'Picos Amethyst' sea holly New variety with deep blue flowers £8.49 Buy
blue wheat grass
Elymus magellanicus blue wheat grass Tough grass with striking foliage colour £8.99 Buy
pheasant grass
Stipa calamagrostis pheasant grass Dramatic and architectural £8.99 Buy
plantain lily
Hosta (Tardiana Group) 'June' (PBR) plantain lily Luminous, blue-green leaves splashed with lime £8.99 coming soon
plantain lily
Hosta 'Fire and Ice' plantain lily A variegated variety with splashes of white £8.99 Buy