Gladiolus nanus 'Impressive' has orchid-like, light pink flowers with bold red and magenta prints on the upper three petals.

Gladiolus ochroleucus is a beautiful species glad with flowers that can be light to dark pink.

Gladiolus 'Bibi' is an exotic-looking light pink gladiolus with dramatic fuchsia detailing. Every flower is different.

Gladiolus 'Irish Gold' is a hardy gladiola with large, ruffled yellow flowers with a green glow

Gladiolus x colvillei 'Red Drizzle' is a stunning hardy gladiola with deep cherry red flowers with faint white markings.

Glaucidium palmatum 'Album' is a choice Japanese woodlander with large, silky, creamy white blossoms over attractively textured foliage.

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.

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.

Graptopetalum filiferum is an intriguing species related forming a tight, symmetrical rosette of grey-green leaves each with a pink, hair-like tip.

Grewia asiatica is a small deciduous shrub known as sherbet berry that produces sour-sweet edible purple berries.

The oak fern, Gymnocarpium dryopteris, is a native garden-worthy fern with beautiful dainty fronds in shades of vibrant green.

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

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

Haworthia truncata is a distinctive succulent with leaves held in a row. 'Cave King' is a rare cultivar with translucent and white markings and purplish and peach sides.

Haworthia truncata 'Compose Music' is a rare cultivar with a network of white markings in the translucent leaf window.

Haworthia truncata is a distinctive succulent with leaves held in a row. 'Diamond' is a rare cultivar that often flushes with pink and has white markings in the translucent window.

Haworthia truncata 'Green Stripes' is a rare cultivar with clear, greenish, translucent windows with no detailing and reddish sides.

Haworthia truncata 'Hokusai' is a rare cultivar with purplish sides and translucent windows adorned with white and purple.

Haworthia truncata 'Mammoth' is a rare cultivar with large, ridged leaves with green-black sides and speckled, translucent windows that sparkle in the light.

Haworthia truncata 'Xuefeng' is a rare cultivar with bold cream to pink markings in the translucent window.

Haworthia 'Black Pearl' has dark green leaves with dark green stripes that stretch into the pointed, translucent tips.

Haworthia 'Blue Mirror' has triangular mid green leaves with short stripes that stretch into the translucent angled tips.