We have found 327 plants that meet your criteria.

African lily
Agapanthus africanus African lily Wonderful globes of blue flowers from midsummer £8.99 Buy
African lily
Agapanthus africanus 'Albus' African lily White globes of trumpet-shaped flowers £7.99 Buy
African lily
Agapanthus 'Bridal Bouquet' African lily An early-flowering evergreen form £6.99 Buy
African lily
Agapanthus Headbourne hybrids African lily Showy globes of blue flowers £8.99 Buy
African lily
Agapanthus Queen Mum ('Pmn06') African lily Big bi-coloured flowers £12.99 Buy
African lily
Agapanthus 'Taw Valley' African lily A spectacular summer-flowering perennial £6.99 Buy
bugle
Ajuga reptans 'Catlin's Giant' bugle Handsome evergreen ground cover £6.99 Buy
lady's mantle
Alchemilla mollis lady's mantle Scalloped leaves and frothy flowers £5.99 Buy
lady's mantle
Alchemilla mollis lady's mantle Scalloped leaves and frothy flowers £4.99 Buy
star of Persia
Allium cristophii star of Persia Huge globes of star-like, lilac flowers £8.99 Buy
ornamental onion
Allium giganteum ornamental onion Large, showy lilac-pink globes £8.99 Buy
allium
Allium hollandicum 'Purple Sensation' allium Rich, deep purple globes £8.99 Buy
ornamental onion
Allium nigrum ornamental onion Wonderful in a mediterranean style garden £8.99 Buy
chives
Allium schoenoprasum chives Edible leaves and button-like flowers £5.99 Buy
ornamental onion
Allium schubertii ornamental onion Giant pink starbursts £8.99 Buy
round-headed leek
Allium sphaerocephalon round-headed leek Small, wine-coloured flowers on tall stems £8.99 Buy
allium
Allium stipitatum 'Mount Everest' allium Tightly packed dense globes £8.99 Buy
ornamental onion
Allium 'Globemaster' ornamental onion Enormous, deep violet globes £8.99 Buy
Arkansas blue star
Amsonia hubrichtii Arkansas blue star Colourful summer flowers and autumn foliage £6.99 Buy
Amsonia
Amsonia orientalis Amsonia Grey-blue, star-like flowers £6.99 Buy