Crinum

Family: Amaryllidaceae
Common name: Swamp lily
Crocosmia

Crocosmia produces several flowers per spike. There are small-flower and large-flowered varieties. The leaves are sword-shaped. Crocosmia is better known as Montbretia. If planted in the fall, mulching will be necessary for at least the first year. After a year, they will be fairly winter hardy.
Cyrtanthus

Family: Amaryllidaceae
Dahlia

Family: Compositeae
Eucharis

Family: Amaryllidaceae
Eucomis

Family: Liliaceae
Common name: Pineapple plant
Summer hyacinth

Family: Liliaceae
Botanical name: Galtonia candicans
Gladiolus

Family: Liliaceae
Common name: sword lily
Gladiolus callianthus

Family: Iridaceae
Common names: Abyssinian gladiolus and Acidanthera
Homeria

Family: Iridaceae
Named after Homer, the epic Greek poet