Calendula 'Lady Godiva Orange' is an English marigold with double, golden orange flowers and aromatic foliage.

Campsis radicans 'Flamenco produces many panicles of six to twelve large orange red flowers on large-growing vines.

Campsis 'Indian Summer' displays large trumpet shaped flowers that are orange red with a yellow orange exterior.

Canna 'African Sunset' is a fantastic multi-coloured cultivar in shades of red, orange, yellow, gold and green. It's a virus-free version of Tropicanna.

Canna Cannova 'Bronze Orange' is a canna lily with luscious black foliage and bright orange flowers. Virus free.

Canna Cannova 'Bronze Peach' is a canna lily with striking dark bronze foliage and peach-coloured flowers.

Canna 'Durban' is a canna lily with striking variegated foliage or oranges, yellows and green topped with orange flowers.

Canna 'Orange Chocolate' has warm burgundy foliage topped with apricot orange flowers in summer.

'Pretoria'/'Bengal Tiger' is one of the best canna lilies for foliage with green leaves with yellow veins and red edges.

Canna 'Stuttgart' is an unusual canna lily with a more slender habit, heavily variegated leaves with orange-yellow flowers.

Be among the first to grow Canna 'Wolf Song' with its light green on dark green variegation and red flowers.

Clivia gardenii forms clumps of dark green, strap-like foliage and beautiful clusters of slender, tubular flowers with orange petals tipped with green.

Clivia miniata is one of the best and easiest of all houseplants with glowing orange flowers and attractive foliage.

Clivia is one of the best of all houseplants with glowing orange flowers, attractive fruit, and gorgeous foliage. This one is variably variegated.

Coreopsis Lil Bang 'Darling Clementine' has large flowers in tones of deep orange, tangerine orange, and golden yellow.

Cotyledon orbiculata 'Mucronata' forms short stems of large, fan-shaped, succulent, silver leaves with heavily-ruffled margins.

Cotyledon 'Happy Young Lady' is an upright, branching succulent to 12 inches tall or more with lovely, silver, finger-like leaves with reddish purple at the tips.

Crassula 'Moonglow' is a cute, upright succulent with very thick, opposite, grey green leaves covered in a fine silvery fuzz..

Crassula 'Moonglow Variegated' has very thick, opposite, blue green leaves with creamy white infusions.

Crocosmia masoniorum is a giant montbretia with blazing-orange flowers. A magnet for hummingbirds and butterflies.

An orange version of the popular Crocosmia 'Lucifer' that will draw the hummingbirds just the same.

Crocosmia 'Fire Jumper' has orange-red buds opening to pale orange flowers highlighted with orange-red.

'Ministar' is a short, stout Crocosmia with bright red-orange flowers with orange-yellow throats. Great for hummingbirds.

Crocosmia 'Okavango' is a hummingbird magnet with apricot-orange tubular flowers.