Scientific Name (Genus/Species): Cephalaria gigantea

Family: (Caprifoliaceae)

(P) to 6′. Giant Yellow Scabious. Caucasus to Siberia. Magnificent clumps of distinctive foliage, divided into oblong spear-shaped leaflets producing tall, wiry branching stems ending in masses of delightful primrose-yellow pincushion blooms. Blooms July to August. Moist, well-drained soil. Sun. 3 & T2 & Δ

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

Scientific Name (Genus/Species): Ceratostigma willmottianum

Family: (Plumbaginaceae)

(TP) to 4′. Chinese Plumbago. West China to Tibet. Deciduous shrub. Leaves lanceolate to obovate. Slender angled stems are tinged purple and bristly. Dense terminal heads of five-lobed, pale blue flowers, white centres, and red-purple corolla tubes. Foliage turns a beautiful tinted red in autumn. Sun/partial shade. 3 & T2

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Scientific Name (Genus/Species): Chasmanthium latifolium

Family: (Poaceae)

(P) to 3′. Northern Sea Oats. A beautiful native grass producing branching stems with flattened, green, drooping spikelets in summer. These turn a bronze colour in autumn, as do the tufted clumps of flat-leaved foliage. Sun/partial shade. 4 & T1

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

Scientific Name (Genus/Species): Chelone glabra

Family: (Plantaginaceae)

(P) 3′. White Turtlehead. White blooms (that really do resemble turtle heads) in tight terminal clusters on upright spikes in August through October. Attractive, dark-green, smooth stems with small whorls of narrow, lance-shaped, sharply toothed, dark-green leaves. A good candidate for naturalizing in any swampy woodland, bog or pond-side area. Native to eastern North America where it is one of the only two larval hosts to the lovely Baltimore Checkerspot Butterfly. Sun/partial shade. 3 & T1

Scientific Name (Genus/Species): Chenopodium bonus-henricus

Family: (Amaranthaceae)

(A) to 2.5′. Good King Henry, Wild Spinach. C & S Europe. Good King Henry has been grown as a vegetable in cottage gardens since the beginning of time. This unusual spinach-like staple has triangular to diamond-shaped leaves with a slightly waxy, succulent texture. The young leaves and flowering stems can be either eaten in salads or cooked like spinach. Also known as ‘poor man’s asparagus’, the growing shoots can be tied together in bundles, cooked and eaten like asparagus. Simply delicious. Sun. 3 & T1 or sow in situ.

Scientific Name (Genus/Species): Cichorium intybus

Family: (Asteraceae)

(P) to 4′.  Common Chicory.  Europe.  Attractive, stalkless, typically clear blue flowers to 1”, clasp rigid, nearly leafless stems in a long procession of bloom from May to October. Rays are typically blue but occasionally white or pink, and usually close by noon. Lower lance-shaped, dandelion-like, basal leaves up to 6″ long are variously toothed, cut or lobed and have rough-hairy surfaces. Upper stem leaves are smaller with clasping bases. The deep fleshy taproot exudes a milky sap when cut. Chicory can be found along roadsides, and is now common in North America, China, and Australia, where it has become widely naturalized. Many varieties are cultivated for salad leaves, chicons (blanched buds).  Chicory roots (var. sativum), which are baked and ground, were used as a coffee substitute by Confederate soldiers during the American Civil War and also used in the United Kingdom during the Second World War, where Camp Coffee, a coffee and chicory essence, has been on sale since 1885 and still popular today. 4 & T1

Scientific Name (Genus/Species): Cistus x incanus

Family: (Cistaceae)

Tender shrublet to 3′.  Cretian Rock Rose.  South Europe, North Africa.  Stems are upright with small, oval, grey-green, finely pubescent leaves.  Solitary flowers are 2 inches in diameter, formed by five tissue-paper-like petals of a pink-lavender, marked yellow at the base.  The central boss of yellow-orange stamens catches the eye.  Buds are covered in fine hairs.  Teas made from Cistus are credited for having a variety of healing powers.  Sun and well-draining soil for pots.  3 & T2

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

Scientific Name (Genus/Species): Clematis hexapetala

Family: (Ranunculaceae)

Hardy vine to 10′. Northeast China, Japan. This Clematis resembles the Sweet Autumn Clematis. Many flowered cymes of one-inch, white blooms with prominent, creamy stamens are borne in profusion. However, the major distinction is the early summer bloom. A focal point in our White Bed, growing up a tripod. Sun. 3 & 7 for 8 weeks, then T2

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

Scientific Name (Genus/Species): Clematis integrifolia pink-flowered

Family: (Ranunculaceae)

(P) to 3′.  Solitary Clematis.  Central Europe and Asia.  An upright, non-climbing Clematis with 2-inch, bell-shaped flowers that are a bright clear to pale mauve pink with heavily ribbed, spreading tepals and a central cluster of deep yellow stamens. Attractive, feathery seedheads follow.  Mid-to-late summer.  Sun.  3 & 7 for 8 weeks, then T2

Scientific Name (Genus/Species): Clematis serratifolia

Family: (Ranunculaceae)

Hardy vine to 9′.  Korean Clematis.  A graceful Clematis with ovate to lanceolate, serrated leaves that sets forth a succession of soft yellow, nodding bells with violet stamens.  The flowers have a delicate lemon scent and bloom from August to October.  An added delight is the fluffy, white, snowball seed heads that cover the plant until winter. A stunning beauty for the late summer garden.  Sun/partial shade.  3 & 7 for 8 weeks, then T2

Scientific Name (Genus/Species): Clematis texensis

Family: (Ranunculaceae)

Hardy vine to 9′.  Scarlet Leatherflower.  Southwest US.  Urn-shaped flowers consist of four, thick, leather-like, rose-red to scarlet coloured tepals that recurve at the tip to reveal a paler interior.  Flowers are borne only on new growth and are held atop purple pedicels in axillary clusters of one to seven. The delicate foliage is a glaucous green and the ovate to rounded leaves with wavy margins enhance the charm of the flowers.  A mass of feathery balls of plumed achenes follows the floral display. At Stonecrop ours grows in a crevice on the Rock Ledge.  This is a very hardy and relatively drought tolerant Clematis.  A long bloomer from mid-summer through fall.  3 & 7 for 8 weeks, then T2