Clethra alnifolia 'Summer Sparkler' is a compact shrub with long, twisting racemes of white flowers that are fragrant and nectar-rich.

Clintonia umbellulata has rich green, glossy foliage topped with a cluster of pure white flowers followed by black berries.

Colchicum autumnale 'Alboplenum' is one of the most beautiful of the autumn crocus with pure white double-petaled flowers.

Colchicum autumnale 'Album' is a vigorous cultivar with vase-shaped, snow white flowers produced in profusion.

Colchicum byzantinum 'Innocence' is a beautiful autumn crocus with large white petals flushed with pink.

Colchicum 'Harlekijn' is a unique autumn crocus producing multiple bicolour flowers in white and pinkish purple.

Conophytum minimum 'Wittebergense' is a darling living pebble forming roundish, succulent heads with bold dark spotting.

Conophytum scitilum is a cute living pebble forming roundish, succulent heads with bold dark lines against a blue-grey background.

Conophytum vanzylii is a living pebble with nearly perfectly round bluish green spheres with a small cleft like red lips.

Convallaria 'Albostriata' is a special form of lily-of-the-valley with green leaves striped with yellow.

Convallaria majalis 'Bordeaux' is an improved version of the old-fashioned lily-of-the-valley with larger and more plentiful flowers.

Convallaria majalis 'Hardwick Hall' is a lily-of-the-valley with fragrant, white bell-shaped flowers and foliage that is rimmed in yellow.

Convallaria majalis 'Hofheim' is a rare form with gold to light green edged leaves, sometimes with extra stripes.

Classic, fragrant, white flowers in spring and variegated foliage that looks good through spring, summer and fall.

Cordyline australis Pink Passion 'Seipin' is a dazzling cabbage palm with electric pink and burgundy foliage forming spiky displays of subtropical drama.

Cordyline terminalis 'Cherry Cordial' is a fantastic ti plant with shiny, tropical multicoloured foliage in mahogany, olive green and bright red.

Cordyline 'Dancing Paso Doble' is a subtropical cabbage palm with dramatic deep purple foliage with hot pink edges.

Cordyline 'Salsa' is a dazzling cabbage palm with bright red and deep pink foliage forming spiky displays of subtropical drama.

'Starlight' is a Coreopsis with creamy white flowers with burgundy centres and a pink flush in cool temperatures.

Red flowers edged in frosty white. Masses of flowers.