Plants of the Week
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Olea europaea subsp. africana
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Olea exasperata
Olea exasperata, one of the wild olive trees of South Africa, is an ornamental shrub or small tree that generally occurs in coastal scrub, on sand dunes...
Olinia emarginata
Olinia emarginata is a small to medium-sized evergreen tree, with attractive flowers and berries which makes for an attractive garden ornamental,...
Olinia ventosa
This beautiful tree makes a striking impression in spring when it is in full flower and is a good choice for a shade tree or focal point in a garden with...
Oncoba spinosa
This spiny shrub or small tree with pretty white flowers is known for the snuff boxes that can be made from its hard-shelled fruit....
Oncosiphon grandiflorum
This tall, button-flowered annual is ideal for larger gardens and can be grown as a spring and summer annual....
Oncosiphon suffructicosum
Oncosiphon suffruticosum is an aromatic annual with masses of bright yellow flower heads, and is an important Cape herbal medicine....
Oplismenus hirtellus
An outstanding groundcover for those difficult shady areas under trees, the grass Oplismenus hirtellus makes an interesting textured carpet of deep green...
Orbea
Stapeliads are one of the most interesting groups of succulents — the diversity in shape, colour, size and smell make them an enticing group to collect...
Orbea lutea
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Orbea melanantha
A mat-forming succulent that can spread on the surface of the soil with no trace of underground rhizomes, this water-wise plant will be an excellent addition...
Ornithogalum candicans
The summer hyacinth, with its fragrant bell-shaped flowers, is an ideal accent plant in a mixed bed and is also very suitable for cut flowers. It was previously...
Ornithogalum conicum
A stunning, early summer-flowering, bulbous plant, with bright white flowers, with prominent yellow centres, in dense heads; a good pot plant, rockery...
Ornithogalum dubium
Ornithogalum dubium is a long-blooming, showy plant with beautiful large flowers, ideal for growing in pots, and as a cut flower....
Ornithogalum longibracteatum
This plant is now called Albuca bracteata...
Ornithogalum princeps
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Ornithogalum regale
The ever so graceful Ornithogalum regale is one of the summer flowering gems of the Drakensberg....
Ornithogalum saundersiae
The giant chincherinchee is an attractive, easily cultivated garden plant and produces eye-catching, long-lasting flowers that are very suitable for use...
Ornithogalum thyrsoides
Showy bulbous herb of vast horticultural importance because of its long lasting flowers suitable for use as cut flowers....
Ornithogalum viridiflorum
With its pale green foliage and upright stems crowned with yellowish green, bell-shaped, flowers, Green Berg Lilies make wonderful, ornamental garden plants...