Calamagrostis brachytricha Korean Feather Grass. Forms dense clumps of greyish- green leaves that turn orange- yellow in autumn. Narrow, feathery grey-purplish flower plumes that age to grey- brown. Height 1m. Moist well-drained soil in sun or part shade. Aug.-Sep. Calamagrostis emodensis A perennial with broad bluish-green leaves and heads of nodding silvery green flowerheads. Height 1-1.3m. Moist well-drained soil in sun or part shade. Jul.-Aug. Calamagrostis x acutiflora "Karl Foerster" Clump-forming perennial grass with arching, mid-green leaves. Erect stems of pink- bronze flowers that fade to pale brown. Height 1.8m. Moist soil in sun or part shade. Jul.-Aug. Calamagrostis x acutiflora "Overdam" A clump-forming perennial grass with arching green leaves with pale yellow margins and stripes, which fade to pinkish white. Bears purple flowers that fade to greyish pink. Height 1.2m. Moist soil in sun or part shade. Jul.-Aug. Calandrinia grandiflora Fleshy blue-green rosettes bearing sprays of bright magenta flowers with lime- green purple spotted calyces. Height 30-75cm. Well- drained soil in sun. Jul.-Sept. Needs winter protection from wet. Calceolaria "Walter Shrimpton" Orangy-yellow pouched flowers with a broad white band. Height 10- 15cm. Moist, well drained soil in part shade. May-Jun. Needs winter protection. Calceolaria falklandica An evergreen, mat-forming alpine with rosettes of dark green ribbed leaves. Racemes of bright yellow pouched flowers. Height 20cm. Well- drained soil in part shade. May.-Aug. Protect from winter wet. Callianthemum anemonoides Tufts of fleshy dissected grey-green foliage often preceded by short stemmed daisy like white to pale pink flowers. Height 10-15cm. Moist well-drained soil in sun or part shade. Mar.-Apr. Callicarpa bodinieri var "Profusion" Deciduous shrub with bronze giraldii young foliage, and clusters of pale pink flowers are followed by lurid violet fruits in autumn. Height 3m. Moist well-drained soil in sun. June- July. Callicarpa dichotoma A small deciduous shrub with small dainty soft pink flowers followed by dark lilac fruits. The leaves turn a wonderful colour in autumn. Height and spread 1.5m. Well-drained sheltered site in sun. Callicarpa dichotoma "Issai" A small deciduous shrub with small dainty pinky-lavender flowers followed by metallic violet fruits. The leaves turn a golden colour in autumn. Height and spread 2m. Well- drained sheltered site in sun. Flowers from June to August Callistemon linearis An evergreen shrub with narrow dark green leaves and cylindrical spikes of matt red flowers with extended stamens. Height 2-3m. Spread 1.5m. Moist well-drained soil in sun. May-August. Dislikes shallow chalky soils. Callistemon sieberi An evergreen shrub with small, narrow dark green leaves and cylindrical spikes of creamy-yellow flowers with extended stamens. Height 2m. Spread 1m. Moist well-drained soil in sun. May- August. Dislikes shallow chalky soils. Caltha biflora var. Large shiny, roundish, rotundifolia crenulate leaves with tall stems carrying white buttercup flowers. Height 50- 60cm. Moist soil in sun. Mar.-Apr. Caltha leptosepala var. An herbaceous perennial with biflora rounded leaves and stems of white buttercup flowers, in pairs.Height 40-60cm. Moist soil in sun. Mar.-Apr Caltha palustris Marginal aquatic or open ground herbaceous perennial with kidney-shaped dark green leaves. Bears waxy, buttercup-like yellow flowers. Height 10-40cm. Moist soil in sun. Mar.-Apr. Caltha palustris "Alba" Marginal aquatic or open ground herbaceous perennial with kidney-shaped dark green leaves. Bears waxy, buttercup-like white flowers. Height 10-40cm. Moist soil in sun. Mar.-Apr. Caltha palustris "Multiplex" Marginal aquatic perennial with kidney-shaped dark green leaves. Attractive waxy, double yellow flowers. Height 25cm. Moist soil in full sun. Mar.-Apr. Calycanthus occidentalis Handsome dark-green, glossy, aromatic leaves, downy beneath. Fragrant reddish maroon flowers over a long period. Height 3m. Well-drained soil in sun. June to July. Calyophus serrulatus A spreading plant with narrow deep green leaves, and orange buds opening to yellow four-petalled flowers. Height 15cm. Spread 25- 40cm. Well-drained soil in sun. May-Sep. Prune in spring to maintain shape. Camassia cusickii A bulbous perennial with wavy-margined narrow leaves. Shallowly cup-shaped steel blue flower spikes. Height 60cm. Moist, well- drained soil in sun. Mar.-Apr. Camassia leichtlinii Bulbous perennial with star- shaped creamy white,blue or violet flower spikes. Height 60-120cm. Fertile, moist, well-drained soil in sun. May- Jun. Camassia leichtlinii "Alba" A bulbous perennial with large strap-shaped leaves and star-shaped creamy white flower spikes. Height 70- 90cm. Fertile, moist, well- drained soil in sun. May-Jun. Camassia leichtlinii "Caerulea" A bulbous perennial with large strap-shaped leaves and star-shaped dark, blue-purple flower spikes. Height 70- 90cm. Fertile, moist, well- drained soil in sun. May-Jun. Camassia quamash Bulbous perennial with wavy- margined narrow leaves. Shallowly cup-shaped blue flower spikes. Height 60cm. Moist well-drained soil in sun. May-June. Camassia quamash "Spring Melody" Bulbous perennial with wavy- margined narrow green leaves edged gold. Shallowly cup- shaped bright blue flower spikes. Height 60cm. Moist well-drained soil in sun. May- June. Camellia japonica "Adolphe Audusson" A compact, evergreen shrub or small tree with glossy green leaves. Bears semi- double red flowers. Eventual height 9m. and spread 8m. Moist well-drained acidic soil in sun or part shade. Flowers from March to April. Camellia japonica "Apollo" An upright evergreen shrub or small tree with glossy, bright green leaves. Bears semi- double rose-red flowers with variable white blotches. Height 4-5m. Moist well- drained soil in sun or part shade. February to March. Camellia japonica "Bernice Boddy" An upright evergreen shrub or small tree with glossy, bright green leaves. Bears semi- double flowers of pale pink, darkening towards the edges. Height after 10 years, approx. 3m. Moist well-drained acid soil in sun or part shade. Flowers from February to Camellia japonica "Duchess Decazes" An upright evergreen shrub or small tree with glossy, bright green leaves. Soft pink paeony shaped flowers veined and edged white. Height and spread after 10 years 3m. Moist well-drained acid soil in sun or part shade. Flowers from February to March. Camellia japonica "Nobilissima" An upright evergreen shrub or small tree with glossy, bright green leaves. White paeony shaped flowers with a cream centre. Height and spread after 10 years 3m. Moist well- drained acid soil in sun or part shade. Flowers from February to March. Camellia reticulata "Mary Williams" A rounded, evergreen shrub with glossy, dark green. leaves and attractive large, single, crimson-red flowers. Height and spread after 10 years 3m. Moist well-drained acid soil in sun or part shade. Flowers from February to March. Camellia x williamsii "Debbie" An upright evergreen hardy shrub with glossy green leaves and large semi-double, deep pink flowers. Height 5m. Sheltered site in moist acid soil. Flowers from March until April. Camellia x williamsii "Donation" An evergreen compact erect shrub with glossy, bright green leaves . Bears large semi-double, pink flowers. Height 5m. Spread 2.5m. Moist well-drained acidic soil in part shade. Feb.-Mar. Campanula "Beautiful Trust" Deep green serrated foliage and branching stems carrying white lacy flowers, like chinese lanterns. Height 50cm. moist well-drained soil in sun. Campanula "Birch Hybrid" A vigorous, evergreen perennial with heart-shaped, toothed, bright green leaves. Attractive open bell-shaped, mauve-blue flowers. Height 10cm. Moist well-drained soil in sun or part shade. Jun.- Aug. Campanula "Covadonga" Tufts of narrow leaves with dark blue bell-shaped flowers on 15cm. stems. Gritty soil in sun. Jun.-Aug. Campanula "Faichem Lilac" Upright, perennial with sharply toothed, nettle-like leaves. Tall stems of somewhat upward-facing, lilac-pink flowers. Height 90cm. Moist well-drained soil in sun or part shade. Jun.-Jul. Campanula "G. F. Wilson" Large upturned violet-blue bell-shaped flowers. Height 10cm. Moist well-drained soil in sun or part shade. Jun.-Jul. Campanula "Hannah" A useful late flowering carpatica type with heart- shaped, toothed, mid-green leaves and upturned open bell-shaped, white flowers. Height 15cm. Well-drained soil in sun or part shade. Aug- Sep. Campanula "Jenny" Clump-forming perennial with heart-shaped, toothed, mid-green leaves. Attractive, bell-shaped, white flowers with a violet-blue eye. Height 25cm. Well- drained soil in sun or part shade. Jun.-Aug. Campanula "Kent Belle" Clump-forming perennial with toothed, mid-green leaves. Very large, pendent, tubular-bell-shaped deep blue flowers. Height 1m. Moist well-drained soil in sun or part shade. Jun.-Aug. Campanula "Loderi" Obtained as such, tight creeping small fresh green leaves and pretty. double bell- shaped, white flowers. Height 8cm. Well-drained soil in sun or part shade. Jun.-Aug. Campanula "Mevr. V. Clump-forming perennial Vollenhove" with heart-shaped, toothed, grey-green, hairy leaves. Terminal clusters of flared, white bell shaped flowers. Height 25cm. Moist well- drained soil in sun or part shade. Jun.-Aug. Campanula "Paul Furse" A late flowering Campanula with slightly arching stems of upturned rich blue bell flowers. Height 60cm. Moist well-drained soil in sun or part shade. Aug.-Oct. Campanula "Pink Octopus" From basal growth of toothed narrow green leaves arise stems carrying buds like japanese lanterns that open to hanging pink spidery flowers. Height 45cm. Moist well- drained soil in sun or part shade. May-Jul. Campanula "Polsky" Obtained as such. Forms basal tufts of small grey- green leaves from which radiate trailing stems of greyish-blue bellflowers with a white eye. Height 5cm. Probably best in moist well- drained soil in part shade. May-Jun. Campanula "Purple Sensation" A clump-forming herbaceous perennial with large hairy leaves and stems carrying pendulous purple bellflowers.