Our Plants - A to Z

Calamintha nepeta 'White Cloud' Spikes of small white flowers over mounds of mint-scented foliage.
Caltha palustris var alba White form of marsh marigold. Single flowers with yellow centres over mound of round leaves.
Camassia quamash 'Orion' Deep violet-blue flowers in early summer. Summer dormant. Good for naturalising.
Camassia quamash (syn esculenta) Rich, dark purple-blue flowers with bright yellow stamens. Borders or in rough grass.
Campanula persicifolia 'Blue Bloomers' Large, double blue flowers on upright stems.
Campanula trachelium 'Bernice' Double, deep violet-blue flowers. Upright habit.
Canna 'Tropicanna Black' Large, nearly black leaves. Scarlet flowers. Protest from frost.
Canna 'Wyoming' Strong-growing with large, deep bronze-purple leaves and very large, vivid orange flowers.
Canna indica 'Tropicanna Gold' Wide leaves striped with bands of green and gold. Brilliant yellow-orange flowers in summer. Protect from frost.
Cardamine quinquefolia Pretty, bright pink flowers.
Carex trifida ''Rekohu Sunrise'' Rosettes of creamy, yellow-edged, blue-green foliage. Long catkins on arching stems. Evergreen. Dislikes wet conditions.
Catananche caerulea Known as Cupid's Dart. Branched sprays of large, dark-centred, lavender-blue daisies over grassy leaves. Flowers can be dried.
Cautleya spicata Member of ginger family. Orange-yellow spikes with red bracts.
Cenolophium denudatum Attractive deeply-cut foliage looks good all year. Sprays of tiny white flowers.
Centaurea montana 'Grandiflora' Deep violet-blue cornflowers with purple centres. Deadhead for second flush of flowers.
Cephalaria gigantea Giant scabious. Large, pale yellow flowers.
Ceratostigma plumbaginoides Low-growing herbaceous perennial with spreading roots. Clusters of rich blue flowers. Leaves turn red or purple in autumn.
Chelone obliqua Known as 'Turtle Head' due to shape of pink flowers.
Chelone obliqua var alba Upright stems of large, white, hooded flowers. Attractive to bees and butterflies.
Chionodoxa forbesii 'Pink Giant' Pink, starry flowers with large white centre.
Chrysanthemum 'Clara Curtis' Sprays of single, clear pink flowers.
Chrysanthemum 'Mary Stoker' Sprays of soft apricot-yellow flowers.
Chrysanthemum 'Nantyderry Sunshine' Sprays of small, bright yellow, semi pom-pom flowers. Easy.
Chrysanthemum 'Chelsea Physic Garden' Upright, double, dusky orange-red flowers with bronze reverse.
Cichorium intybus 'Roseum' Rose-pink flowers on tall stems in late summer.
Cichorium intybus 'Roseum' Chicory. Tall stems with long branched spikes of rose-pink flowers over a long period. Middle or back of border.
Cirsium rivulare 'Atropurpureum' Large, deep pink thistle heads Sun or part shade. Prefers some moisture.
Claytonia sibirica f albiflora Pretty ground cover. New leaves are bronzed and glossy. White flowers.
Claytonia virginica Pale pink flowers. Hardy, dwarf plant from North America.
Convallaria majalis var rosea Pink lily-of-the-valley. Scented flowers. Easy.
Coronilla emerus Medium shrub. Yellow pea flowers.
Corydalis 'Tory MP' Bright blue flowers over ferny foliage. Easy and vigorous.
Corydalis solida 'Beth Evans' Pink flowers over ferny, blue-grey foliage.
Crocosmia 'Zeal Tan' Large, deep orange-red flowers over dark green leaves - later than most crocosmias.
Crocosmia 'Norwich Canary' Rich, egg-yolk yellow buds opening to a brighter yellow inside. Large flowers.