|Macleaya microcarpa "Kelway's Coral Plume"|
Large grey-green leaves. Plumes of coral-pink flowers on tall stems.
|Macleaya x kewensis "Flamingo"|
Large, lobed grey-green leaves. Tall plumes of tiny buff-white flowers opening from pink buds.
|Malva sylvestris "Windsor Castle"|
Velvety purple flowers with black veining. Very striking colour for middle of border.
Tall shrub with interesting, serrated leaves. Red flowers on mature plants.
|Melittis "Royal Velvet Distinction"|
Small white flowers with dark purple lip over honey-scented foliage.
Pretty, cream and pink woodland flower.
Branched stems carrying terminal clusters of nodding, funnel-shaped, violet-blue flowers. Compact form.
|Milium effusum "Aureum"|
Forms elegant, loose clumps of arching, soft yellow leaves, with clusters of yellow flowers.
|Miscanthus sinensis "Strictus"|
Compact, clump-forming deciduous grass. Upright, spiky foliage cross-banded with yellow. Crinkly silver flowering plumes to 7ft (2m).
|Monarda "Gardenview Scarlet"|
Whorls of large, rich red flowers.
Whorls of lilac tubular flowers on upright stems. Aromatic foliage.
|Monarda "Snow Queen"|
Whorls of large, hooded, white flowers over aromatic foliage.
Aromatic foliage. Bright scarlet flowers above dark red bracts.
Pale lilac flowers. Mildew resistant foliage.
|Monarda "Violet Queen"|
Bright violet-purple flowers above purple-tinged foliage and purple bracts.
|Monarda "Jacob Cline"|
Whorls of bright red flowers. Aromatic foliage. Mildew resistant.
Whorls of pale pink flowers above light green bracts.
Delicate spires of small white flowers turning pink with age. Prickly leaves.
|Mukdenia rossi "Karasuba"|
Known as Crimson Fans as foliage turns red from mid summer onwards. Starry white flowers.