Bougainvillea spectabilis
Pink or purple flowers. May not survive long periods below -5˚C.
Campsis radicans
Cultivars with red, orange or yellow flowers.
Photo: Campsis radicans ‘Indian Summer‘.
Dolichandra cynanchoides
Pink or yellow flowers.
Ipomoea indica
syn. I. learii
Blue flowers. May not survive long periods below -5˚C.
Plumbago auriculata
syn. P. capensis
Blue flowers. May not survive long periods below -5˚C.
Solanum crispum
Violet blue flowers.
Photo: Solanum crispum ‘Glasnevin‘.
Solanum laxum
syn. S. jasminoides
White flowers.
Photo: Solanum laxum ‘Album‘.
Abelia chinensis
White flowers
Abelia x grandiflora
Soft pink flowers. Evergreen in mild winters.
Abutilon megapotamicum
Yellow petals and a deep red calyx.
Abutilon pictum
Cultivars with orange or yellow flowers.
Anisodontea malvastroides
Pink flowers.
Bupleurum fruticosum
Buplèvre. Lime green flowers. Evergreen.
Caesalpinia gillesii
Showy, yellow flowers with long red stamens.
Caryopteris x clandonensis
Cultivars with pale or deep blue flowers.
Photo: Caryopteris x clandonensis ‘Heavenly Blue‘.
Chilopsis linearis
The desert willow. Pink flowers.
Hibiscus syriacus
Cultivars with white, red, pink or blue flowers. Photo: Hibiscus syriacus ‘Bluebird’.
Lagerstroemia indica
Small tree. Pink, red, purple or white flowers.
Leucophyllum frutescens
Silver-grey foliage. Pale pink flowers.
Leucophyllum langmaniae
Dark pink flowers.
Mandevilla laxa
White flowers. May not survive long periods below -5˚C.
Nerium oleander
Laurier rose. Cultivars with white, pink, yellow or red flowers.
Photo: Nerium oleander ‘Marie Gambetta‘
Rosa chinensis ‘Mutabilis‘
Flowers change colour from apricot to pink or crimson.
Senna floribunda
syn. Cassia floribunda
Yellow flowers.
Solanum rantonnetii
Blue flowers. Needs some winter protection.
Allium tuberosum
White flowers. Bulbous perennial.
Anemone hupehensis var. japonica
Pink flowers. Many named cultivars.
Anemone x hybrida ‘Honorine Jobert‘
White flowers.
Aster spp.
Cultivars with pink, blue, violet or white flowers.
Photo: Aster pilosus var. pringlei ‘Monte Cassino‘.
Catanache caerulea
Blue flowers.
Photo: Catanache caerulea ‘Tizi n‘ Test‘
Centranthus ruber
Dark pink flowers. Cultivars with white or mauve flowers.
Delosperma cooperi
Bright pink flowers. Good ground cover.
Dicliptera sericea
syn. D. suberecta
Reddish orange flowers. Syn:Justicia suberecta
Echinops ritro
Globe thistle. Blue flowers.
Epilobium spp.
Cultivars with red, orange or white flowers.
Photo: Epilobium canum ‘Western Hills‘
Eriogonum fasciculatum
White/pink flowers.
Eryngium amethystinum
Blue flowers.
Gaillardia spp.
Cultivars with red, orange or yellow flowers.
Photo: Gaillardia aristata.
Gaura lindheimeri
Cultivars with white, pink or dark pink flowers and deep red foliage.
Lavandula dentata
Violet flowers. May not survive long periods below -5˚C.
Lepechinia hastata
Pink flowers.
Origanum dictamnus
Pink flowers. Good ground cover.
Origanum laevigatum
Pink/violet flowers.
Origanum rotundifolium ‘Kent Beauty‘
Flowers change from pale green to shades of pink as summer progresses.
Pavonia hastata
White flowers.
Pavonia missionum
Orange flowers. May not survive long periods below -5˚C.
Penstemon cultivars
Red, blue, violet or pink flowers. Deadhead to encourage late summer flowers.
Perovskia ‘Blue Spire‘
Long-lasting blue flowers.
Phygelius spp.
Cape fuchsia. Dark pink tubular flowers.
Photo: Phygelius aequalis.
Poliomintha longiflora
Mexican oregano. Violet flowers.
Ratibida columnifera
Mexican hat. Yellow or orange flowers.
Rudbeckia fulgida
Yellow flowers.
Photo: Rudbeckia fulgida var. sullivantii ‘Goldsturm‘
Ruellia nudiflora
Violet flowers.
Ruellia simplex
syn. R. brittoniana
Mexican petunia. Purple or blue flowers.
Salvia azurea
Bright blue flowers.
Salvia chamaedryoides
Blue flowers.
Photo: Salvia chamaedryoides ‘Argentea‘
Salvia darcyi
Red flowers.
Salvia greggii
Cultivars with pink, orange or white flowers.
Salvia microphylla
Cultivars with red or pink flowers.
Satureja montana
Winter savory. White flowers.
Sedum ‘Matrona‘
Dark pink flowers and purple stems.
Sedum spectabile
Pink flowers.
Sphaeralcea spp.
Cultivars with orange and coral flowers.
Photo: Sphaeralcea miniata.
Teucrium ackermanii
Violet flowers.
Trachelium caeruleum
Violet blue flowers.
Tulbaghia violacea
Violet pink flowers.
Verbena bonariensis
Violet flowers. Self seeds easily
Verbena peruviana
Red or pink flowers.
Verbena rigida
syn. V. venosa
Violet flowers.
Viola hederacea
Purple/white flowers. May not survive long periods below -5˚C.