African lily, Agapanthus, purple flowers emerging on an umbel shaped flowerhead against a green background.

African lily, Agapanthus, white flowers emerging on an umbel shaped flowerhead.

African lily, Agapanthus, purple flowers emerging on an umbel shaped flowerhead.

Variegated iris, Iris pallidata variegata, green and white leaves.

Summer hyacinth, Galtonia candicans, long green upright stems with emerging pendulous white flowers.

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

Rose mallow, Hibiscus syriacus 'Blue Bird', purple blue flower and bud growing on a shrub against a green background.

Summer hyacinth, Galtonia candicans, emerging flowers on a single stem.

Summer hyacinth, Galtonia candicans, Pendulous white flowers growing on a plant outdoors.

Summer hyacinth, Galtonia candicans, Pendulous white flowers growing on a plant outdoors against a blue sky.

Summer hyacinth, Galtonia candicans, Pendulous white flowers growing on a plant outdoors.

African lily, Agapanthus, white flowers emerging on an umbel shaped flowerhead against a green background.