Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Digitalis lutea
Family: (Plantaginaceae)
(P) to 2-½’. Straw Foxglove. This native plant of southern Europe and North Africa readily makes itself at home in a garden. In early summer, the small, creamy yellow flowers crowd one side of their tall, slender stalks. A good, long-bloomer with glossy, dark green foliage. Readily self-sows. Sun/partial shade. 4 & T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Codonopsis pilosula
Family: (Campanulaceae)
(P) to 6′. Dang Shen, Poor Man’s Ginseng. Northern China. A vigorous, vining plant with purple flushed, greenish yellow, nodding bells. Thick, tuberous roots are used in traditional Chinese medicine as a tonic, similar to Ginseng. Midsummer. Well-drained soil. Sun/partial shade. 5 & T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Clematis integrifolia
Family: (Ranunculaceae)
(P) to 3′. Solitary Clematis. Central Europe and Asia. This upright, non-climbing Clematis has rich, indigo-violet, nodding, urn-shaped flowers with four twisted sepals and creamy anthers. Attractive, feathery seedheads follow and persist. Blooms May to July. Sun. 3 & 7 for 8 weeks, then T2
Category: Rarium | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Clematis heracleifolia
Family: (Ranunculaceae)
(P) to 3′. This herbaceous, non-climbing clematis can be found in the blue/lavender/grey bed of the Flower Garden. The individual florets are tight, blue, and reminiscent of Hyacinth blooms, opening wide to expose pale centres and numerous cream stamens. Silvery, fluffy seedheads provide later beauty. Pleasantly fragrant. Full sun to partial shade in cool, moist soil. 3 & 7 for 8 weeks, then T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Chelidonium majus var. laciniatum (syn. Chelidonium 'Bowles' Variety')
Family: (Papaveraceae)
(P) to 2.5′. A special selection of the Celandine Poppy with deeply lobed leaves and loads of summer-blooming, double golden yellow flowers that brings excitement to a shady garden. Bright orange sap may irritate skin. Partial shade. 3 & 6A
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Cephalaria leucantha
Family: (Caprifoliaceae)
(P) to 5′. Southwestern Europe. A more delicate relative of the Giant Scabiosa with showy, soft white, pincushion flowers on long thin stems that rise well above a rosette of low growing leaves. The pinnatifid leaves are silvery, grey-green with the characteristically chiseled & fern-like appearance. Bloom July onward. Makes a delightful cut flower. Sun/partial shade. 3 & T2 & Δ
Category: Rarium | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Centaurea macrocephala
Family: (Asteraceae)
(P) to 3′. Great Golden Knapweed. Caucasus. A large, leafy, robust plant bearing sturdy stems topped with incredible, rich golden yellow, hemispherical, thistle-like blooms. The fringed, rusty brown coloured involucre of bracts is very prominent and persists. Midsummer. Makes excellent dried cut flowers. Sun. 3, D & T2
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Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Centaurea dealbata
Family: (Asteraceae)
(P) to 3′. Persian Knapweed. Caucasus. Erect, branched, leafy stems with finely divided, grey-green, pinnatisect leaves with grey, woolly undersides. The attractive green, scaly, involucre of bracts with black bristles supports the lilac-pink, pale centred ‘bachelor’s buttons’. Blooms early to mid-summer. Sun/partial shade. Well-drained soil. 3, D & T2
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Caryopteris divaricata
Family: (Lamiaceae)
(P) to 5′. Bluebeard. A native plant of the Himalayas. Splendid spikes of violet-blue, wide open, hooded flowers with a dab of white in the throat. Light green leaves are ovate, acute and oddly aromatic. An accommodating, tough plant. Blooms in September. Sun. 3 & T3
Category: Seminum | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Campanula trachelium
Family: (Campanulaceae)
(P) to 3.5′. Nettle-leaved Bellflower. Spikes of blue-purple to lilac bells decorate the numerous, leafy stems. Nettle-like foliage. Blooms simultaneously with the roses, a perfect complement. Sun/partial shade. 4 & T2