|Dahlia 'Bishop of Llandaff'|
Bright red flowers over very dark foliage.
Semi-double, bright pink flowers with crimson leaves.
Rhizomatous perennial with pale pink flowers on tall stems before very large, glossy leaves appear.
|Delphinium 'Blue Lace'|
New Millennium Series. Pale blue flowers with a pink flush, above deeply divided foliage.
|Delphinium 'Galahad Group'|
Spires of pure white flowers.
|Delphinium Black Knight Group|
Deep purple-blue, semi-double flowers with black eyes.
Vigorous, yet compact evergreen variety. Scented, double, velvety-red flowers.
|Dianthus barbatus 'Monksilver Black'|
Perennial variety. Velvety-black flowers over black evergreen foliage. Neat shape.
Strong-growing, upright perennial. Soft pink flowers.
|Diascia fetacaniensis 'Daydream'|
Masses of intense pink flowers. Low-growing and spreading so ideal for front of border or baskets.
Red flowers and stems over dark, ferny leaves.
|Dicentra 'King of Hearts'|
Large, dark rose-pink hearts. April to July. Pretty silver-grey foliage.
|Dicentra formosa 'Langtrees'|
Small heart-shaped creamy flowers. Finely-cut new foliage is blue-green.
|Digitalis 'Glory of Roundway'|
Delicate, perennial foxglove with spikes of small, apricot and pink flowers.
Spikes of soft creamy-yellow flowers.
Spires of soft yellow, trumpet-shaped flowers from early to midsummer. 24in (60cm). Sun or shade in most soils. Upright perennial. Clump forming.
|Digitalis x mertonensis|
Long, erect spikes of large, coppery-tinted, rose-coloured flowers.
|Dryopteris affinis 'Pinderi'|
Hardy fern with narrow, upright fronds in rosettes, golden-green when young.
|Dryopteris affinis 'Brilliance'|
Colourful, evergreen fern. New opening fronds pink, turning coppery-bronze.