Carpenteria californica 'Elizabeth' offers open clusters of ruffled white flowers centred with spheres of yellow stamens.

Ceratostigma willmotianum produces true blue to lilac-blue flowers in late summer and fall against autumn red foliage.

Cercidiphyllum japonicum 'Rotfuchs' is a special katsura with burgundy foliage that turns blue-green by mid summer.

A compact turtlehead with pink flowers in summer with a great name: 'Tiny Tortuga'.

Chiastophyllum is like a groundcover sedum dreaming of being a golden chain tree!

Chionanthus virginicus, known as the fringe tree, is a unique shrub or small tree with unique fragrant white flowers.

Choisya Apple Blossom is a striking Mexican mock orange with the narrow, textural foliage of 'Aztec Pearl' but with beautiful pink flowers.

Chrysanthemum Mammoth 'Coral Daisy' is a long-lived perennial with large, semi-double,coral-pink flowers.

Chrysanthemum Mammoth 'Dark Pink Daisy' is a long-lived perennial with large, deep pink to mid pink petals.

Chrysanthemum Mammoth 'Lavender Daisy' is a long-lived perennial with semi-double, lavender-pink flowers.

Chrysanthemum Mammoth 'Red Daisy' is a long-lived perennial with semi-double, deep red to fiery red flowers.

Chrysanthemum Mammoth 'Yellow Quill' has lemon yellow quilled petals around a golden yellow centre.

Chrysanthemum weyrichii is a perennial ground cover with late summer pale pink daisies.

Clematis armandii 'Apple Blossom' has light pink buds opening to white, fragrant flowers with pale pink reverses.

Clematis montana 'Grandiflora' produces masses of relatively large, vanilla-scented, pure white flowers in mid to late spring.

Clematis texensis 'Pagoda' has beautiful bicolour pink and creamy white bell-shaped flowers.

Clematis ‘Princess Diana’ is a stunning variety with rich, deep pink, outward facing, tulip-shaped flowers with paler pink edges in July-October.

Clematis Princess Kate has white, bell-shaped flowers with reflexed tips and deep-lavender pink reverses.