Gloriosa carsonii has striking flowers with yellow rippled petals centred with burgundy-red.

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.

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

Goodyera oblongifolia is a terrestrial orchid that spreads into small colonies of evergreen, ornately-variegated leaves.

Graptopetalum bellum (aka Tacitus bellus) has grey-green rosettes and one of the most beautiful flower displays with starry, bright pink flowers.

Graptoveria (Echeveria) 'Chanel' has thick, rounded leaves in powder blue that develop pink tones on older foliage.

Graptoveria (Echeveria) 'Lovely Rose' forms interesting, squished, silver rosettes that are not completely symmetrical.

Graptoveria (Echeveria) 'Rose Queen' ('Stone Rosa') has beautiful lavender-blue leaves highlighted with glowing pink.

Graptoveria amethorum has thick, rounded leaves in shades of grey-blue and grey-green with burgundy and purplish highlights.

Graptoveria 'Gypsy'/'Mrs Richards' forms cute, little, chunky rosettes in tones of glowing pink, lavender, and pale blue.

Echeveria 'Colourful Stone' is a unique variegated succulent in tones of pink, apricot, yellow, and pale grey-blue.

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

Gunnera manicata is a monster perennial often called giant rhubarb or dinosaur food. with heavily textured, sandpapery, palmate leaves up to six feet across!

Habranthus (syn. Cooperanthus) robustus or pink rain lily. Narrow, bluish foliage rising to showy light pink to lavender-pink flowers in summer & fall.

Habranthus (syn. Cooperanthus) 'Snow White' is a rare white form of the rain lily blooming through summer and fall atop bluish foliage.

Haemanthus albiflos is a rare bulb with leathery, deep green leaves producing a white paint brush-like flower head with yellow stamens.

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.