Wattle, Golden wattle, Acacia longifolia, close up showong the yellow flowers.

Wattle, Golden wattle, Acacia longifolia, close up showong the yellow flowers.

Candelabra tree, Euphorbia candelabrum, Side view of several ridged spikey columns in sunlight against a blue sky.

Aloe vera, Two plants in foreground, one with a flowering spike and others behind, Growing on a dry terrain against a blue sky.

Rose mallow 'Blue Bird', Hibiscus syriacus 'Oiseau Bleu', A single purple blue flower with white stamens.

Rose mallow 'Blue Bird', Hibiscus syriacus 'Oiseau Bleu', Purple blue buds opening among green leaves on a shrub.

Agapanthus africanus, Close view of a white flowers emerging from an umbel shaped flowerhead.

Agapanthus africanus, Close view of blue purple flowers emerging, from an umbel shaped flowerhead, against a green background.

Agapanthus africanus, Close view of blue purple flowers about to emerge, growing in an umbel shape, against agrey background.

Agapanthus africanus, Close view of white flowers emerging into an umbel shaped flowerhead, against a dark background.

Agapanthus africanus, Close view of white flowers emerging into an umbel shaped flowerhead, against green background,

Agapanthus africanus, Close view of white flowers emerging into an umbel shaped flowerhead, against green background,

Agapanthus africanus, Close view of white flower about to emerge, against green background,

Agapanthus africanus, Close view of blue purple flowers about to emerge, growing in an umbel shape, against green background.