All Plants (O)
OCIMUM kilimandscharicum 'African Blue' (Basil) Annual or Short Lived Perennial: A sterile hybrid that blooms but does not produce seed. Stems streaked with maroon and small leaves with maroon veins and streaks on the reverse. Pinkish-lavender blooms. Great for pots & borders. Height 2-3'. Exposure: sun. Water: mod/regular USDA Z9. |
|
OCIMUM x citriodorum 'Pesto Perpetuo' (Basil) Sweet Basil, Common Basil Annual or Short Lived Perennial: A variegated variety with excellent flavor. It rarely flowers so it keeps putting out new leaves & retaining its flavor all year. Great for pots & borders. Nice appeal with 2 uses-culinary & ornamental. Upright growth habit. H: 18-24". W: 12-18".Exposure: sun. Water: moderate. USDA Z9. (syn. O. basilicum 'Pesto Perpetuo') PP#16260 |
|
OENOTHERA hookeri (syn. O. elata subsp. hookeri) Hooker's Evening Primrose, Tall Evening Primrose, Giant Evening Primrose Perennial or Biennial Herb: CA native. Fast growing and moderately long-lived. The 3 inch fragrant flowers open in late afternoon and are borne in clusters and held atop the stems. Bloom time: summer-fall. Bloom color: yellow. Attracts bees, birds, moths, and butterflies. Height: 3-6 feet. Width: 5 feet. Exposure: sun/part shade. Water: moderate. USDA Z6-9. |
|
OENOTHERA missouriensis 'Evening Sun' (syn. O. macrocarpa 'Evening Sun') Missouri Evening Primrose, Ozark Sundrops Perennial: Tolerates deer, rabbits and drought. Native to Mexico and south-central US. Narrow silvery green foliage holds flowers that open in the afternoon and bloom throughout the night. Good for borders, banks and slopes, mass plantings, woodland gardens, container, as a groundcover, and in rock gardens. Attracts butterflies. Bloom time: spring-summer. Bloom color: bright yellow. Height: 3-6 inches. Width: 15-18 inches. Exposure: sun. USDA Z5-9. PPAF |
|
OKRA 'Clemson Spineless' Heirloom variety. One of the most desired okra varieties & has been a garden favorite for 80 years. Strong yield. Dark green, grooved pods. Excellent flavor. Best picked at 2 1/2- 3" long; the smaller the pods are when harvested, the more tender they'll be. Long season & the plant can get 6' tall. Great pickled, in soups, & stews. Spacing: 10". Full sun. DTM: 50-64 days. |
|
OLEA europaea 'Little Ollie' Dwarf Olive Dwarf, non-fruiting olive with a graceful, multi-branching habbit. Deep green leaves have lighter silvery-green undersides. Attractive as a formal clipped hedge or featured as a specimen shrub. Excellent in topiary form, or trained as a single trunk in smaller places. Heat, drtought and salt tolerant. Evergreen. Height: 6-8' Width: 6-8' |
|
OLEA species 'Dwarf' Dwarf Olive Shrub or small tree: USDA Z8. |
|
OPHIOPOGON chingii (syn. umbraticola) Chinese Mondo Grass Perennial: Native to China. A slow growing evergreen ground cover spreading by underground stems. Dense, very finely-textured leaves are long & narrow. Leaves are erect and then bend over. Use in rock gardens, beds, beside paths or along garden pools. Deer resistant. Blooms: summer. Color: white to lilac followed by blue-black berries. Ht: 4-6". Spreading growth. Part shade/sun on coast. Water: moderate/dry. USDA Z7-10. |
|
OPHIOPOGON jaburan (syn. LIRIOPE gigantea) White Lilyturf, Jaburan Lily Perennial: Evergreen, clump forming plant useful in rock gardens, beds, beside paths or along garden pools. Also does well under deciduous trees. Deer resistant. Doesn't spread by underground stems. Produces clusters of white flowers in summer followed by deep blue berries. Size: 24" x 12". Sun/part shade. USDA Z7-10. |
|
OPHIOPOGON japonicus Mondo Grass Perennial: A slow growing evergreen ground cover spreading by underground stems. Use in rock gardens, beds, beside paths or along garden pools. Deer resistant. Blooms: summer. Color: white to lilac followed by blue-black berries. Ht: 8-12". Spreading growth. Part shade/sun on coast. Water: moderate/dry. USDA Z7-10. |
|
OPHIOPOGON japonicus 'Nana' Dwarf Mondo Grass Perennial: A slow growing evergreen ground cover spreading by underground stems. Use in rock gardens, beds, beside paths or along garden pools. Deer resistant. Blooms: summer. Color: white to lavender followed by blue-black berries. Size: 2-3" x 12-24". Exposure: sun/shade. Water: moderate/dry. USDA Z7-10. |
|
OPHIOPOGON planiscapus 'Nigrescens' Black Mondo Grass, Black Lilyturf Perennial: A slow growing evergreen ground cover. Tuft former with blackish foliage. Good as a ground cover, rock garden, low border and for moist areas. Deer resistant. Bloom time: summer. Bloom color: pink. Size: 8" x 12". Exposure: part shade. Water: moist. USDA Z6. |
|
ORBEXILUM pedunculatum Sampson's Snakeroot, Mountain Pea Perennial: Semi-evergreen. Drought tolerant. Native to Southwest United States. Spreads by short rhizomes, forms a dense mat of glossy green foliage followed by clusters of blue-purple flowers summer-fall. Good ground cover for erosion control and dry or dappled shade. Irresistible to gophers and rabbits. Attracts butterflies. Height: 6-12". Spread: 2-3'. Exposure: sun/part shade. Water: dry. USDA Z2 |
|
OREGANO 'Hot & Spicy' Organic Spicy Italian Oregano Perennial Herb: Deer resistant. Spicy aroma and flavor, described as "a tongue tingling flavor." Makes a great culinary seasoning fresh or dried. Can replace Italian Oregano. Nice border, container & cut flower plant. Attracts bees, butterflies & insects. Blooms: summer-fall. Color: purple. Height: 18 inches. Exposure: sun. Water: moderate. USDA Z5. |
|
OREGANO 'Italian' Organic Common Oregano The rich aroma will make your mouth water for pizza. Perennial Herb: Deer resistant. Drought tolerant. Pleasant aroma & flavor that makes a great culinary seasoning fresh or dried. Good border, container and cut flower plant. Attracts bees, butterflies & insects. Bloom time: summer-fall. Bloom color: purple. Height: 18. Width: 18. Exposure: sun. Water: moderate. USDA Z5. (Maturity: 80 days) (Origanum vulgare) |