O: ... Oenothera ber. 'Siskiyou' Mexican Evening Primrose, Sundrops (perennial)Herbaceous perennial/groundcover, invasive, good for slopes, pink spring/summer flowers, sun, zones 2b-25 Olea europaea Olive (tree)Evergreen tree, moderate growth to 30' tall, soft gray green willow-like leaves, picturesque w/age, sun, zones 8,9,11-24 Olea europaea 'Arbequini' std Olive (tree)Evergreen tree, compact growth, 12' tall, small round fruit, very sweet oil, sun, zones 8,9,11-24 Olea europaea 'Bonita' multi Olive (tree) [See Photo]Evergreen tree, 25' tall/wide, strong upright habit, nearly fruitless, coarser foliage, sun, zones 8, 9, 11-24 Olea europaea 'Bonita' std Olive (tree)Evergreen tree, 25' tall/wide, strong upright habit, nearly fruitless, coarser foliage, sun, zones 8, 9, 11-24 Olea europaea 'Boronii' std Olive (tree)Evergreen tree, moderate growth to 25' tall, large fruit, light flesh, sun, zones 8, 9, 11-24 Olea europaea 'Dwarf Fruitless' Olive (shrub) [See Photo]Evergreen shrub, 12' tall/wide, dense, dark gray green foliage, full sun, zones 8, 9, 11-24 Olea europaea 'Dwarf Fruitless' std Olive (tree)Evergreen shrub, 12' tall/wide, dense, dark gray green foliage, full sun, zones 8, 9, 11-24 Olea europaea 'Lucas' std Olive (tree)Evergreen tree, moderate growth to 25' tall, small oblong fruit, excellent for oil, sun, zones 8, 9, 11-24 Olea europaea 'Royal Fruitless' multi Olive (tree) [See Photo]Evergreen tree, airy structure to 30'tall, good specimen or screen, almost fruitless, sun, zones 8, 9, 11-24 Olea europaea 'Royal Fruitless' std Olive (tree)Evergreen tree, airy structure to 30' tall, good specimen or screen, almost fruitless, sun, zones 8, 9, 11-24 Olea europaea 'Manzanillo' Olive (tree)Evergreen tree to 30' tall, large landscape/commercial variety, sun, zones 8, 9, 11-24 Olea europaea 'Manzanillo' Std Olive (tree)Evergreen tree to 30' tall, large landscape/commercial variety, sun, zones 8, 9, 11-24 Olea europaea 'Mission' std Olive (tree)Evergreen tree, 30' tall, smaller fruit with high oil content and fine flavor, sun, zones 8, 9, 11-24 Olea europaea 'Sevillano' std Olive (tree)Evergreen tree, moderate growth to 25' tall, commercial variety, large fruit with low oil content, sun, zones 8, 9, 11-24 Olea europaea 'Swann Hill' multi Olive (tree) [See Photo]Evergreen tree, airy structure to 30' tall, good specimen or screen, concidered fruitless, sun, zones 8, 9, 11-24 Olea europaea 'Swann Hill' Std Olive (tree)Evergreen tree, airy structure to 30' tall, good specimen or screen, concidered fruitless, sun, zones 8, 9, 11-24 [top]Olea europaea 'Wilsonii' multi Olive (tree) [See Photo]Evergreen tree, 25' tall/wide, airy structure, strong upright habit, 80% fruitless, sun, zones 8, 9, 11-24 Olea europaea 'Wilsonii' std Olive (tree)Evergreen tree, 25' tall/wide, airy structure, strong upright habit, 80% fruitless, sun, zones 8, 9, 11-24 Ophiopogon japonica Mondo Grass (grass)Perennial, dense dark green grassy clumps, 12-18" tall, hidden lilac flowers, part shade, zones 5-9, 14-24 Ophiopogon japonica 'Nana' Mondo grass (grass)Perennial, dense dark green grassy clumps, 6-8" tall, hidden lilac flowers, part shade, zones 5-9, 14-24 Ophiopogon japonica 'Variegata' Mondo Grass (grass) [See Photo]Perennial, dense grassy clumps of silver edged foliage, 10" tall, part shade, zones 5-9, 14-24 Ophiopogon planiscapus 'Nigrescens' Black Mondo Grass (grass)Perennial, dense nearly black grassy clumps, 6-8" tall hidden white flowers, part shade, zones 5-9, 14-24 Origanum rotundifolium 'Kent Beauty' Oregano, Marjoram (perennial) [See Photo]Perennial herb, 8" tall, spreading to 2', mauve pink flowers throughout summer, blue green aromatic foliage, sun, zones 1-10 Osmanthus burwoodii (shrub) [See Photo]Evergreen shrub, slow growth, 6-10' tall, 8-12' wide, glossy leaves, spring flowers, sun/part shade, zones 4-9, 14-17 Osmanthus fragrans Sweet Olive (shrub) [See Photo]Evergreen shrub, 10' tall, 6-8' wide, fragrant flowers throughout the year, glossy leaves, sun/part shade, zones 5-9, 12-24 Osmanthus heterophyllus Holly Leaf Osmanthus (shrub)Evergreen shrub, 10-20' tall/wide, fall/winter blooms, glossy leaves, good as hedge, sun/part shade, zones 4-10, 14-24 Osmanthus heterophyllus 'Goshiki' Holly Leaf Osmanthus (shrub) [See Photo]Evergreen shrub, erect, 3.5' tall, 5' wide, pinkish orange variegation turns creamy yellow, sun/part shade, zones 5-9, 12-24 Osmanthus heterophyllus 'Variagatum' Holly Leaf Osmanthus (shrub) [See Photo]Evergreen shrub, slow growth, 8-10' tall/wide, leaves edged with creamy white, sun/part shade, zones 5-9, 12-24 Otatea acuminata Mexican Weeping Bamboo (grass)Perennial grass, clumps of lacy narrow leaves, 8-10' tall, sun/part shade, hardy to 15oF Oxalis oregana Redwood Sorrel, Oregon Oxalis (perennial)Perennial, 10" tall, spreads indefinitely, medium green velvety leaves, white spring/fall flowers with lavender veins, shade, zones 4-9, 14-24 Oxalis triangularis Purple Shamrock (perennial) [See Photo]Perennial, 10" tall, spreads with underground bulblets, rich purple leaves adorned with pinkish white flowers in summer, sun/part shade, excellent for borders, zones 4-9, 14-24 |
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