Perennial (O)
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OENOTHERA berlandieri 'Siskiyou' Mexican Evening Primrose Perennial: Drought tolerant. Deer resistant. Fire retardant. Good border plant and ground cover. Nice for slopes and parking strips. Attracts butterflies. Bloom time: summer-fall. Bloom color: pink. Height: 8-18 inches. Spreads several feet. Exposure: sun. Water: moderate/dry. USDA Z7. |
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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. |
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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 |
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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 |
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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 |
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OMPHALODES cappadocica Navelwort Perennial: Evergreen. Deer resistant. Good edging, woodland, ground cover & border plant. Slowly spreads by non-invasive rhizomes. Has forget-me-not like flowers in spring-summer (sometimes longer). Just darling! Attracts hummingbirds. Bloom color: bright blue. Size: 6-8" x 10". Exposure: part shade. Water: moist to moderate. USDA Z6-9. |
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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 |
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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 |
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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 |
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ORIGANUM 'Bellissimo' Ornamental Oregano Subshrub: Drought tolerant. Deer resistant. The pinkest brachts ever! A stunning new ornamental selection w/large hop-like flowers. Dried flowers can be used in arrangements. Has heart-shaped gray-green leaves. Perfect for the driest spots in your garden, requiring little water once established. Rock garden, container & border plant. Attracts butterfllies. Blms: summer-fall. Blm color: deep pink. Size: 6-8" x 18-24". Exp.: sun. Water: moderate-dry. USDA Z6. PPAF |
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ORIGANUM 'Bellissimo' Ornamental Oregano Subshrub: Drought tolerant. Deer resistant. The pinkest brachts ever! A stunning new ornamental selection w/large hop-like flowers. Dried flowers can be used in arrangements. Has heart-shaped gray-green leaves. Perfect for the driest spots in your garden, requiring little water once established. Rock garden, container & border plant. Attracts butterfllies. Blms: summer-fall. Blm color: deep pink. Size: 6-8" x 18-24". Exp.: sun. Water: moderate-dry. USDA Z6. PPAF |
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ORIGANUM 'Bellissimo' Ornamental Oregano Subshrub: Drought tolerant. Deer resistant. The pinkest brachts ever! A stunning new ornamental selection w/large hop-like flowers. Dried flowers can be used in arrangements. Has heart-shaped gray-green leaves. Perfect for the driest spots in your garden, requiring little water once established. Rock garden, container & border plant. Attracts butterfllies. Blms: summer-fall. Blm color: deep pink. Size: 6-8" x 18-24". Exp.: sun. Water: moderate-dry. USDA Z6. PPAF |
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ORIGANUM 'Kent Beauty' (O. rotundifolium 'Kent Beauty') Oregano Subshrub: Drought tolerant. Deer resistant. Rock garden, container & border plant. Dried flowers can be used in arrangements. Has heart-shaped gray-green leaves-known for its foliage, not its flowers. Attracts butterfllies. Blooms: summer. Color: pink. Size: 8" x 12". Exposure: sun. Water: moderate. USDA Z8. (A hybrid of O. scabrum x rotundifolium). |
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ORIGANUM laevigatum 'Gentle Breeze' Ornamental Oregano Perennial: Drought tolerant. Deer resistant. Larger foliage and taller branching than other varieties. Beautifully fragrant foliage and sweetly scented flowers. Nice rock garden, cut flower, container and border plant. Very showy and mild tasting. Attracts bees, butterflies and insects. Bloom time: spring-fall. Bloom color: lilac-pink. Height: 16-18. Width: 14-16. Exposure: sun. Water: moderate/dry. USDA Z8. PP#29,589 |
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ORIGANUM laevigatum 'Hopley's' Oregano Perennial: Drought tolerant. Deer resistant. Nice rock garden, cut flower, container and border plant. Native to Turkey, Iran & Pakistan. Very showy and mild tasting. Attracts bees, butterflies and insects. Bloom time: spring-fall. Bloom color: dark purple. Height: 1 foot. Exposure: sun. Water: moderate/dry. USDA Z8. |
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ORIGANUM laevigatum 'Hopley's' Oregano Perennial: Drought tolerant. Deer resistant. Nice rock garden, cut flower, container and border plant. Native to Turkey, Iran & Pakistan. Very showy and mild tasting. Attracts bees, butterflies and insects. Bloom time: spring-fall. Bloom color: dark purple. Height: 1 foot. Exposure: sun. Water: moderate/dry. USDA Z8. |
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ORIGANUM laevigatum 'Hopley's' Oregano Perennial: Drought tolerant. Deer resistant. Nice rock garden, cut flower, container and border plant. Native to Turkey, Iran & Pakistan. Very showy and mild tasting. Attracts bees, butterflies and insects. Bloom time: spring-fall. Bloom color: dark purple. Height: 1 foot. Exposure: sun. Water: moderate/dry. USDA Z8. |
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ORIGANUM laevigatum 'Hopley's' Oregano Perennial: Drought tolerant. Deer resistant. Nice rock garden, cut flower, container and border plant. Native to Turkey, Iran & Pakistan. Very showy and mild tasting. Attracts bees, butterflies and insects. Bloom time: spring-fall. Bloom color: dark purple. Height: 1 foot. Exposure: sun. Water: moderate/dry. USDA Z8. |
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ORIGANUM laevigatum 'Hopley's' Oregano Perennial: Drought tolerant. Deer resistant. Nice rock garden, cut flower, container and border plant. Native to Turkey, Iran & Pakistan. Very showy and mild tasting. Attracts bees, butterflies and insects. Bloom time: spring-fall. Bloom color: dark purple. Height: 1 foot. Exposure: sun. Water: moderate/dry. USDA Z8. |
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ORIGANUM mircrophyllum x 'Dawn' Believed to be a hybrid of O. mircrophyllum x O. vulgare 'Betty Rollins'. Nice mounding habit with bicolored blooms of dark purple and frosty mauve summer-fall. Attracts bees. Height: 2'. Width: 2.5'. Exposure: sun. Water: moderate. |
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ORIGANUM mircrophyllum x 'Dawn' Believed to be a hybrid of O. mircrophyllum x O. vulgare 'Betty Rollins'. Nice mounding habit with bicolored blooms of dark purple and frosty mauve summer-fall. Attracts bees. Height: 2'. Width: 2.5'. Exposure: sun. Water: moderate. |
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ORIGANUM mircrophyllum x 'Dawn' Believed to be a hybrid of O. mircrophyllum x O. vulgare 'Betty Rollins'. Nice mounding habit with bicolored blooms of dark purple and frosty mauve summer-fall. Attracts bees. Height: 2'. Width: 2.5'. Exposure: sun. Water: moderate. |
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OSCULARIA deltoides (syn. LAMPRANTHUS deltoides) Perennial: Evergreen. A great little shrubby succulent. Good plant for continers, to trail over a wall, to use in hanging baskets, or to use in a rock garden. Grayish-blue foliage. Bloom time: summer. Bloom color: pink. Size: 10" x 18". Exposure: sun. Water: moderate/dry (good drainage). USDA Z8. |
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OSTEOSPERMUM 'Margarita Blue Sunrise' Cape Daisy, African Daisy The Margarita series is known for it's natural branching habit, uniformity & nice flower shape. Large 2-3" daisy-like flowers all season long on compact, mounding plants. Heat tolerant. Low maintenance. Excellent for containers or borders. Attracts butterflies. Color changing petals that start out yellow and creamy pink that then turn to lilac purple. Bloom time: spring-fall. Bloom color: pink, yellow, & lilac. Size: 20" x 20". Exposure: sun. Water: moderate. |
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OSTEOSPERMUM 'Margarita Creme' Cape Daisy, African Daisy Perennial: The Margarita series is known for it's natural branching habit, uniformity and nice flower shape. Large 2-3" daisy-like flowers all season long on compact, mounding plants. Heat tolerant. Low maintenance. Excellent for containers or borders. Attracts butterflies. Bloom time: spring-fall. Bloom color: creamy white w/orange eye. Height: 6-12". Width: 8-14". Exposure: sun. Water: moderate. USDA Z9. |