HARDY PERENNIALS - DAHLIA TO DIGITALIS :

DAHLIA (Asteraceae)
Popular tuberous plants which normally need to be lifted before winter although many cultivars seem to be fairly hardy (in East Anglia) as long as they are mulched really well. Dahlia Bishop of Llandaff is certainly one of these. Grow in fertile, well drained soil in full sun. Most flower from July to October sometimes longer if the weather is mild.
'Arabian Night' £ 4.50
Fully double, very dark maroon flowers over dark green leaves from July to October. 1.2 metres (4 feet).
'Bednall Beauty' agm £ 4.50
Semi-double deep red flowers over dark purple, deeply cut foliage from July-Oct. 50 cms (1½ feet).
'Bishop Of Landaff' agm £ 4.50
Semi-double bright red flowers over deep purple foliage from July-October. 1.2 metres (4 feet).
'Catherine De Neuve' £ 4.50
Large single orange flowers over dark purple foliage. 75 cms (2½ feet).
'David Howard' agm £ 4.50
Large, fully double orange-yellow flowers over bold purple foliage from July-October. 90 cms (3 feet).
'Haresbrook' £ 4.50
Large, deep purple, semi-double flowers over deep purple leaves from July-October. 60 cms (2 feet).
'Madame Simone Stappers' £ 4.50
Previously listed as 'Madame J. Snapper', we now believe this to be correctly named. Vivid red, fully double flowers over deep purple leaves from July-October. 90 cms (3 feet).
	Dahlia  Moonfire	'Moonfire' agm £ 4.50
Single orange-yellow flowers with a red centre from July-October. 60 cms (2 feet).
'Swan Lake' £ 4.50
Semi- double white flowers over purple foliage from July-October. 90 cms (3 feet).
DARMERA (Saxifragaceae)
peltata 'Nana' £ 4.25
(UMBRELLA PLANT.) A good, shorter, alternative to Gunnera manicata with simlar leaves but only reaching a foot or so in height. Spikes of soft pink flowers appear before the leaves. The large leaves provide and ideal hiding place for Frogs, Toads and Newts beside a pond and turn a fiery red in autumn. Spreading in habit so good fro ground cover. 30 cms (1 foot).
DELOSPERMA (Aizoaceae)
Genus of mat-forming succulent plants from South Africa with daisy-like flowers in summer. They are hardy in this country providing they have very good drainage in winter. Ideal for a rockery or dry sandy/ stony soils. Grow in full sun.
	Delosperma congestum 	congestum £ 3.50
Bright yellow daisies to 2" across. 10 cms (4").
sutherlandii £ 3.50
Pink daisies to 2" across with a yellow eye. 10 cms (4").
DIASCIA (Scrophulariaceae)
Long flowering mat-forming and creeping perennials from South Africa. The flowers are usually about 2cm (3/4in.) Most are fairly hardy providing they have good drainage in winter. Ideal for a rockery or softening the edge of a border.
	Diascia barberae Blackthorn Apricot	barberae 'Blackthorn Apricot' agm £ 3.50
Mat-forming cultivar with apricot flowers from summer to autumn. 30 cms (1 foot).
  fetcaniensis £ 3.50
Creeping species with rose-pink flowers from summer to autumn. 30 cms (1 foot).
rigescens agm £ 3.50
Trailing species with mid-deep pink flowers from summer to autumn. 30 cms (1 foot).
DICENTRA (Papaveraceae)
Grown for their distinctive, heart shaped flowers and attractively cut foliage. They are actually related to the Poppy. Most species and cultivars prefer moist, humus-rich, neutral-alkaline soil in part shade. Suitable for chalky soil. A few Alpine species prefer sharply drained soil in full sun. All parts may cause mild stomache upset if ingested. Foliage can be an irritant. Most Dicentras are summer dormant and will die back during this time.
'Luxuriant' agm £ 3.50
Racemes of red flowers to 1in long over deep green leaves from April-June. 30 cms (1 foot).
'Stuart Boothman' agm £ 3.50
Blue-grey leaves and deep pink flowers from April-June. 30 cms (1 foot).
DICTAMNUS (Rutaceae)
(BURNING BUSH.) These plants and their seeds contain a flammable oil thus giving them their common name. The foliage is strongly lemon-scented. Grow in well drained soil in sun/ part shade. Drought tolerant. All parts may cause mild stomach upset if ingested. Foliage can be an irritant.
albus £ 3.75
Spikes of star-shaped white, sometimes pink-white flowers from May-July. Grow in well drained soil in sun/ part shade. Drought tolerant. May cause mild stomach upset if ingested and the foliage can be an irritant. 90 cms (3 feet).
Dictanmus albus v purpureus albus v. purpureus agm £ 3.75
Spikes of star-shaped purple-mauve flowers with darker veins from May-July. 90 cms (3 feet).
DIERAMA (Iridaceae)
(ANGEL'S FISHING ROD.) These plants have long, narrow, grass-like leaves and graceful arching stems of pendant bell- shaped flowers in summer. They look good growing next to a pond or stream where they arch over the water, resembling fishing rods. Grow in well drained soil in a sunny, sheltered site. They also look good planted with ornamental grasses.
'Guinevere' £ 3.75
Lovely cultivar with pure white flowers from June-August. 1 metre (3 feet).
DIETES (Iridaceae)
bicolor £ 4.75
(PEACOCK FLOWER, FORNIGHT LILY.) Rhizomatous evergreen perennial from Central, East and South Africa with sword- shaped leaves. Produces small (1½in) Iris-like, pale sometimes deeper, yellow flowers with brown markings at the base of the petals in early summer. The rhizome is quite tough making it tricky to divide clumps. Despite normally being found growing by streams in its natural habitat, this plant is quite drought tolerant and is happy in poorer soils. It has evolved to store water in the event of a drought where small streams will quickly dry up. Needs a sheltered position but will take a touch of frost. 90 cms.
	Dietes grandiflora 	grandiflora £ 4.75
(LARGE WILD IRIS, FAIRY IRIS.) An Iris relative from South Africa, with stiffly upright sword-shaped leaves, topped by large white flowers on & off throughout the summer. Looks good as a mass planting in sun/part shade in moist but well drained soil. 1.5 metres (5 feet).
iridioides £ 4.75
(FORTNIGHT LILY.) South African rhizomatous perennial with evergreen sword-shaped leaves. Large white flowers with yellow & purple markings appear spring - summer. Shade from hot sun. Mild gardens. 60 cms (2 feet).
DIGITALIS (Scrophulariaceae)
(FOXGLOVE.) There are many cultivated forms of this popular cottage garden plant, including some dwarf plants which are ideal for small borders/ gardens. There are also some very tall forms, reaching to 2m (7ft) giving a dramatic touch to the border. Some are biennial or short lived but many are perennial. They are adored by Bumble-Bees and are equally at home in a formal border or a `wild` garden. For almost any soil in sun/ part shade. Toxic if ingested.
ferruginea agm £ 3.50
(RUSTY FOXGLOVE.) Biennial Foxglove with large, golden brown flowers with red-brown veins in mid summer. Will seed around. 1.2 metres (4 feet).
	Digitalis  John Innes Tetra	'John Innes Tetra' £ 3.50
Lovely perennial Foxglove with bronze-tinted apricot flowers from early-mid summer. 60 cms (2 feet).
lutea £ 3.50
Perennial Foxglove with glossy dark green leaves and spikes of narrow, pale yellow flowers from May-Ju ly. This species prefers well drained alkaline soil. 60 cms (2 feet).
x mertonensis agm £ 3.50
Lovely perennial Foxglove with hairy leaves and spires of large, strawberry- pink flowers in from April-June. 90 cms (3 feet).
purpurea Foxy Group £ 3.00
Annual foxglove with flowers in a range of pink shades in early summer. 90 cms (3 feet).