perennial (O)

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OENOTHERA berlandieri 'Siskiyou', Mexican Evening Primrose 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.

Photo unavailable 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.

Photo unavailable 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

Photo unavailable 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

Photo unavailable 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

Photo unavailable 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.

ORBEXILUM pedunculatum, Sampson's Snakeroot, Mountain Pea 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

ORBEXILUM pedunculatum, Sampson's Snakeroot, Mountain Pea 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

ORBEXILUM pedunculatum, Sampson's Snakeroot, Mountain Pea 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

Photo unavailable ORIGANUM 'Barbara Tingey'
Ornamental Oregano

Subshrub: Drought tolerant. Deer resistant. Rock garden, container & border plant. Great for spilling over walls or containers. Dried flowers can be used in arrangements. Has attractive, fragrant sage green lvs covered in soft peach fuzz & showy rosy green bracts w/small pink blms. Mostly grown for the showy bracts and not the actual blooms. Attracts bees, butterflies & hummingbirds. Blooms: summer. Height: 8-12 in. Width: 12-16 in. Exp.: sun/part shade. Water: moderate. USDA Z7-9.

Photo unavailable 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

Photo unavailable ORIGANUM 'Gilt Trip'
Ornamental Oregano

Perennial: Tolerates drought, heat, deer and rabbits. A fast grower with chartreuse foliage. Good border, container, and edging plant. The flowers and foliage are scented. While edible and has a mild flavor, it is grown for it's ornamental purposes. Attracts bees and butterflies. Bloom time: summer-fall. Bloom color: lilac. Mounded growth habit. Height: 18-24 inches. Width: 28-32 inches. Exposure: sun. Water: moderate. USDA Z4. (PPAF)

Photo unavailable ORIGANUM 'Gilt Trip'
Ornamental Oregano

Perennial: Tolerates drought, heat, deer and rabbits. A fast grower with chartreuse foliage. Good border, container, and edging plant. The flowers and foliage are scented. While edible and has a mild flavor, it is grown for it's ornamental purposes. Attracts bees and butterflies. Bloom time: summer-fall. Bloom color: lilac. Mounded growth habit. Height: 18-24 inches. Width: 28-32 inches. Exposure: sun. Water: moderate. USDA Z4. (PPAF)

Photo unavailable ORIGANUM 'Gilt Trip'
Ornamental Oregano

Perennial: Tolerates drought, heat, deer and rabbits. A fast grower with chartreuse foliage. Good border, container, and edging plant. The flowers and foliage are scented. While edible and has a mild flavor, it is grown for it's ornamental purposes. Attracts bees and butterflies. Bloom time: summer-fall. Bloom color: lilac. Mounded growth habit. Height: 18-24 inches. Width: 28-32 inches. Exposure: sun. Water: moderate. USDA Z4. (PPAF)

ORIGANUM 'Kent Beauty' (O. rotundifolium 'Kent Beauty'), Oregano 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).

ORIGANUM 'Kent Beauty' (O. rotundifolium 'Kent Beauty'), Oregano 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).

Photo unavailable 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

Photo unavailable 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.

Photo unavailable 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.

Photo unavailable 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.

Photo unavailable 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.

ORIGANUM mircrophyllum x 'Dawn', 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.

OSCULARIA deltoides (syn. LAMPRANTHUS deltoides), 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.

Photo unavailable OSTEOSPERMUM 'Margarita Lemon'
Cape Daisy, African Daisy

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: light yellow. Height: 10-14". Width: 10". Exposure: sun. Water: moderate.

Photo unavailable OSTEOSPERMUM 'Margarita Lemon'
Cape Daisy, African Daisy

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: light yellow. Height: 10-14". Width: 10". Exposure: sun. Water: moderate.

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