Gloriosa greenii offers greenish yellow to lemon yellow flowers with thick, leathery, lightly rippled petals.

Gloriosa lutea has pale lemon-yellow flowers that are crisped on the edges and turn orange-yellow as they age.

Gloriosa superba 'Himalayan Select' is a rare selection with bright, firey red flowers with recurved tepals (frequently more twisted than the picture) and a lemon-yellow base.

Gloriosa superba 'Rothschildiana' has striking flowers with broad, bright red, rippled petals with golden yellow bases.

Gloxinia 'Emperor Frederick' is a houseplant with velvety bell-shaped blossoms of scarlet red with white edging and undersides.

Gloxinia 'Emperor Wilhelm' is a tender perennial with velvety bell-shaped blossoms of deep purple and white edging and undersides.

Gloxinia 'Tigrina Blue' is a tender perennial with bi-coloured velvety bell-shaped blossoms of white and purple speckles.

Gloxinia 'Violacea' is a tender perennial with multi-coloured velvety bell-shaped blossoms in various hues of purples.

Gomphocarpus physocarpus (previously Asclepias) is a cool milkweed relative known as balloon plant or hairy balls!

Grevillea victoriae is an evergreen shrub with orange-red, winter-blooming, tubular flowers loved by Anna's hummingbirds.

Haemanthus amarylloides ssp. polyanthus is a beautiful pink-flowered species with red stems.

Haemanthus amarylloides ssp. polyanthus is a beautiful pink-flowered species with red stems.

Haemanthus barkerae is a cute bulb with cheerful pink flowers and two elliptic leaves with attractive mottling.

Haemanthus barkerae Grey Leaf is a cute bulb with cheerful pink flowers and two elliptic, greyish leaves with attractive mottling.

Haemanthus coccineus, known as the blood flower, blood lily or paintbrush lily, has dramatic orange-red flowers.

Haemanthus coccineus Baviaanskloof has dramatic orange-red flowers and burgundy speckling on the leaves.

Haemanthus coccineus Bulletrap has dramatic orange-red flowers and hails from a desert habitat.

Haemanthus coccineus Klawer has dramatic orange-red flowers that look like a shaving cream brush.

Haemanthus coccineus Lambert's Bay has dramatic orange-red flowers that look like a shaving cream brush.

Haemanthus crispus, the crispy-leaved paintbrush lily, has orange-red flowers rippled leaves that look like lasagna!

Haemanthus deformis has cool, prostrate, evergreen leaves that are broad and lightly rippled like fat tongues.

Haemanthus humilis ssp. hirsutus has broad tongue-shaped, vertically held leaves and white to pale pink flowers.

Haemanthus humilis Giant Form has light pink and white flowers in large heads atop huge, tongue-like foliage.

Haemanthus humilis Giant Form has light pink and white flowers in large heads atop huge, tongue-like foliage.

Haemanthus humilis Rhodes Form has beautiful deep pink flowers with copious yellow stamens and red stems.