C

Calendula officinalis

Callistemon leavis

Canna indica

Carex testaceum

Cassia corimbosa

Centaurea bella

Centaurea pulcherrima

Centaurea ragusina

Centranthus ruber 'albus'

Centranthus ruber 'Coccineus'

Ceratonia siliqua
Chaenomeles japonica
Chasmantes bicolor

Cheiranthus sp.

Chrysanthemum sp.
Cineraria maritima

Cistus albidus

Cistus crispus

Cistus monspeliensis
Cistus salvifolius
Clivia sp.

Crataegus laevigata 'pauls-scarlet' 

Coronilla glauca

Corylus avellana

Cotoneaster franchetti
Cupressus sempervirens
Cyca revoluta