O. hirta has sessile leaves, hairy and pale green and has funnel shaped blooms in white, pink or purple. A genus of about 800 species. Many are tuberous, the leaves are usually three-lobed and clover-like. Both the leaves and flowers […]
Oxalis enneaphylla ( Rosea Sorrel )
Clumps of umbrella-like, somewhat fleshy, hairy, grey-blue leaves, consisting of 9 to 20 narrowly pleated, oblong leaflets. Flowers are light purple-pink and funnel-shaped. Nice companion plant in containers or along shady, moist walk that receives morning sun. Does best where […]
Oxalis cernua ( Sorrel )
O. cernua has leaves with long hairs and blooms in 8 to 10 golden yellow flowers in an umbel. Oxalis is a genus of about 800 species. Many are tuberous, the leaves are usually three-lobed and clover-like. Both the leaves […]
Oxalis adenophylla ( Shamrock )
O. adenophylla, has a bulbous rootstock that has crinkled grey-green, fan shaped foliage with goblet shaped, creamy pink flowers in late spring. Oxalis is a genus of about 800 species. Many are tuberous, the leaves are usually three-lobed and clover-like. […]
Otatea acuminata subsp aztecorum ( Mexican Weeping Bamboo )
The culms of this species are almost completely obscured by its very dense covering of leaves. Culms grow about 1 to 2 feet apart. Bamboo is a common term for a large number of giant grasses that include many different […]
Ostrya virginiana ( Glandulosa Ironwood )
Named for its glandular hairy shoots and leaves. This lovely Eastern United States native is related to the heath family and has drooping, white, midsummer hop-like fruits. Fall color is yellow, red, or purple. Soil must be well-drained and acid. […]
Osteospermum jucundum ( Compact Osteospermum )
This perennial is a neat compact mass, 4 to 8 inches tall, which spreads by surface rhizomes, has 3 to 4 inch long grey-green leaves with linear-shaped, toothed margins. Long stalks bear solitary flowerheads 2 inches across with mauve-pink ray […]
Osteospermum jucundum ( African Daisy )
This is a showy, clump-forming perennial, which spreads by surface rhizomes, has 3 to 4 inch long grey-green leaves with linear-shaped, toothed margins. Long stalks bear solitary flowerheads 2 inches across with mauve-pink ray florets and central discs that age […]
Osmarea ( Osmarea )
This is a genus of evergreen shrubs with fragrant flowers that is similar to the Osmanthus. Leaves are oval, sometimes having small teeth or spines and range from a flat dull green to a glossy dark green. The late winter […]
Osmanthus heterophyllus ( Variegated False Holly )
This variegated cultivar is a dense, rounded evergreen that forms an inpenetrable thicket, growing 8 to 10 feet in height, not quite as wide. Older specimens may reach 15 feet tall. The leaves are green with yellow margins. On young […]
