Plants of the Week
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Osmunda regalis
Osmunda regalis is unusual in that it forms new fertile fronds in autumn, and not in spring or summer as is common in most ferns....
Osyris compressa
This plant is now called Colpoon compressum ...
Osyris lanceolata
The evergreen, winter-flowering Osyris lanceolata is a blue-green hardy shrub or small tree. Its fleshy, yellowish green fruits become bright...
Othonna dentata
This blue-grey succulent shrublet is ideally suited to coastal gardens and deserves to be more popular with gardeners....
Othonna retrofracta
Othonna retrofracta, with its bonsai-like appearance, is suitable for water-wise gardens in arid areas....
Ozoroa sphaerocarpa
This relatively small currant resin tree has small whitish flowers, with the sexes occurring on separate plants. It is of highly valued by rural...
Oxalis
Members of the genus Oxalis — with their brightly coloured delicate flowers, clover-like leaves and corolla lobes twisted in the bud — are...
Osteospermum moniliferum
A fast growing shrub with bright yellow daisies in autumn and winter followed by edible berries - a useful pioneer, screening plant and popular with birds...
Oxalis purpurea
A common but undervalued South African native plant, Oxalis purpurea can make a most magnificent garden plant that flowers for half the year....
Ozoroa obovata var. elliptica
The broad-leaved resin tree is a semi-deciduous to evergreen shrub or tree that is suitable for small gardens....
Ozoroa paniculosa
An attractive, small to medium-sized tree. Its leaves are bluish grey above and silvery below with strikingly straight, parallel side veins....
Otholobium virgatum
This is a mat-forming and low-growing, trailing, ground cover with masses of mauve-pink, pea-like flowers in spring....
Obetia tenax
An awesome small tree with the most striking flowers and leaves with stinging hairs, that can be cooked and eaten as a vegetable....
Oftia africana
Rough to the touch, this shrublet has pretty white flowers that have a sweet, chocolaty fragrance....
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...
Otholobium fruticans
An attractive, mat-forming groundcover or semi-shrub that bears beautiful sprays of pea-like, purple-blue flowers in spring....
Oxyanthus pyriformis subsp. pyriformis
Medley Wood described this loquat-like shrub as ‘an exceedingly handsome shrub of good habit, growing generally under large trees in those parts...
Oxalis hirta
A vigorous, easy-to-grow, ornamental Oxalis with branched stems and attractive magenta-pink flowers in winter and spring....
Orthochilus ensatus
This is an attractive orchid that can be grown as a container subject and was previously known as Eulophia ensata....