An upright perennial or biennial with lance-shaped green leaves 1 to 4 1/2 inches long. Produces 3-10 cup-shaped deep yellow flowers 1 to 2 inches across. These bright yellow primroses open during the day from May to July. Best planted […]
Oenothera elata ( Evening Primrose )
O.elata subspecies hookeri, is an upright perennial or biennial, blooming in masses of pale yellow primroses that turn to orange-red, opening at dusk. Leaves are lance-shaped in a mid-green. Best planted in spring among other full sun plants. You should […]
Oenothera caespitosa ( Evening Primrose )
O.caespitosa are clump-forming biennials or perrenials with spoon-shaped, entire toothed, gray-green leaves. Cup-shaped white primroses open at sunset, turning pink with age. Best planted in spring among other full sun plants. You should divide the clumps every 3 years to […]
Oenothera berlandieri ( Siskiyou Evening Primrose )
Perennial with showy pink blooms. Hardy plant which once established requires little care. Drought tolerant. Excellent for rock gardens, edgings, and borders.
Oenothera albicaulis ( Evening Primrose )
O. albicaulis a spreading annual usually known as a biennial, sometimes short-lived perennial, blooms in a single bowl-shaped primrose that opens white, then turns cream and pale pink in the morning. Plant in spring among other full sun plants. You […]
Oemleria cerasiformis ( Indian Plum )
O. cerasiformis bears pale green, broadly lance-shaped, alternate leaves, 2 to 3 inches long. Small, greenish-white flowers hang in nodding terminal clusters; male and female flowers appear on separate plants. Purple, olive-sized fruit ripens early and attracts birds. The raw […]
Odontoglossum triumphans ( Odontoglossum Orchid )
Epiphytic orchid with narrow leaves to 16 inches long, and ovoid pseudobulbs. Erect or arching racemes to 36 inches, produce the 4 inch flowers in spring. Grow with epiphytic orchid potting mix (using fine-grade bark) in small containers. Requires filtered […]
Odontoglossum spectatissimum ( Odontoglossum Orchid )
Epiphytic orchid with narrow leaves 16 inches long, and ovoid pseudobulbs. Erect or arching racemes to 36 inches, produce the 4 inch flowers in spring. Grow with epiphytic orchid potting mix (using fine-grade bark) in small containers. Requires filtered light […]
Odontoglossum odoratum ( Odontoglossum Orchid )
Epiphytic orchid with lance-shaped leaves to 12 inches long, and ovoid pseudobulbs. Long racemes to 30 inches, produce flowers in winter. Grow with epiphytic orchid potting mix (using fine-grade bark) in small containers. Requires filtered light and high humidity in […]
Odontoglossum grande ( Tiger Orchid )
An epiphytic orchid with gray-green pseudobulbs and 8 inch long leaves. The glossy flowers appear on upright racemes from autumn to winter. Use epiphytic orchid potting mix, with sphagnum and leaf mold. Requires filtered light. Water less in winter.