 |
|
Ochagavia litoralis |
|
Coastal Ochagavia - Rosette forming succulent w/1' long gray-green lvs & tight heads of pink flwrs in summer. Full sun to light shade. Little water. Hardy to 20 F.
[Fascicularia litoralis, C. carnea, Hort.]
|
|
Ocimum labiatum |
|
Shell Bush - Evergreen shrub 3-5' tall & wide w/ aromatic lvs & pink-mauve flwrs summer-fall. Sun to light shade. Water regularly to infrequently. Hardy to 25-30
[Orthosiphon labiatus]
|
|
Odontonema strictum |
|
Firespike - Evergreen shrub to 12'x10' with red flowers in summer and fall. Sun/ light shade. Regular watering. Hardy to 30-32 degrees F.
[O. tubaeforme, Justicia coccinea, Hort.]
|
|
Olea europaea 'Manzanillo' |
|
Olive - Evergreen tree to 30' tall by 25'. Produces large black olives. Full sun. Drought tolerant. Hardy 15-20 degrees F.
|
|
Olea europaea 'Montra' |
|
Little Olive - Evergreen shrub to 8' tall but kept much lower by pruning. Full sun. Drought tolerant. Great hedge plant. 15-20 degrees F.
|
|
Olea europaea 'Wilson Fruitless' |
|
Wilson Fruitless Olive - Evergreen tree to 25' tall. Bares little to no mature fruit. Full sun. Drought tolerant. Hardy to 15-20 degrees F.
[O. europaea 'Wilson', 'Wilsonii']
|
|
Olea europaea 'Wilson Fruitless' (Standard) |
|
Wilson Fruitless Olive - Evergreen tree to 25' tall. Bares little to no mature fruit. Full sun. Drought tolerant. Hardy to 15-20 degrees F.
[O. europaea 'Wilson', 'Wilsonii']
|
|
Olmediella betschleriana |
|
Guatemalan Holly - Evergreen tree 25-40' tall or trimmed shrub wi/large green holly-like leaves w/copper new growth. Sun/shade. Occasional H2O. Hardy to 25F.
[Ilex betschleriana]
|
|
Operculicarya decaryi |
|
Elephant Tree - Succulent tree often kept as small bonsai-like plant w/tiny red tinged leaflets. Full sun/light shade. Well drained soil. Little H2O. Hardy to 25F.
|
|
Ophiopogon clarkei |
|
Himalayan Mondo Grass - Evergreen rhizomaous perennial to 8" tall w/arching narrow dark green lvs & pale purple flwrs. Sun/Light shade. Regular/little H2O. Hardy to <0 F.
[Mondo dracaenoides var. clarkei]
|
|
Ophiopogon jaburan |
|
White Lilyturf - Clumping to 18" tall w/narrow dark green lvs w/white late spring-summer. Shade/ part sun. Regular H2O. Hardy to 0-10 F.
|
|
Ophiopogon japonicus |
|
Mondo Grass - Evergreen spreading perennial to 6-9" tall w/narrow lvs & pale lilac summer flwrs. Part sun/light shade. Occasional to regular H2O. Hardy to 10-15 F.
|
|
Ophiopogon planiscapus 'Nigrescens' |
|
Black Mondo Grass - Evrgrn clumping perennial to 8" x12" w/black leaves & whitish lilac flowers in summer. Cool Sun/Light Shade. Water regularly. Hardy to -10 degrees F.
[O. 'Arabicus', O. planiscapus 'Kokuryu']
|
|
Ophiopogon planiscapus 'Teague's Black' |
|
Fine-leaf Black Mondo Grass - Evrgrn clumping perennial to 4-6" tall w/very narrow black leaves Cool Sun/Light Shade. Water regularly. Hardy to -10 degrees F.
[O. 'Arabicus', O. planiscapus 'Kokuryu']
|
|
Ophiopogon umbraticola |
|
National Arboretum Mondo Grass - Evergreen perennial to 4-6" tall w/ thin green lvs & summer pale lilac flws. Part sun to light shade. Water occasionally to regularly. Hardy to 0 F.
[Ophiopogon chingii, Hort.]
|
|
Opuntia ficus-indica 'Burbank Spineless' |
|
Nopal - Cactus shrub to 6' tall w/spineless thick bluish-green pads. Orange-yellow flowers in spring-early summer. Edible fruits. 20-25 degrees F.
|
|
Opuntia gomei 'Old Mexico' |
|
Old Mexico Pricklypear - Large cactus to 5' tall by 8' wide w/scalloped light green pads, yellow flwrs in late spring & summer. Full/ part sun. Drought tolerant. Hardy to 10F.
[O. undulata, Hort. O. lindheimeri cv.]
|
|
Opuntia robusta |
|
Dinner Plate Nopal - Large cactus to 6-8' tall w/round gray pads, yellow flwrs in late spring & deep red fruit in summer. Full sun. Drought tolerant. Hardy to 5F.
[O. gorda]
|
|
Oreopanax capitatus |
|
Picón - Small tropical evergreen tree 15-30 ft tall w/ gray bark, large dark green lvs and greenish flowers. Full sun/shade w/occasional H20. Hardy to 28F.
[Oreopanax nyphaefolius]
|
|
Origanum dictamnus |
|
Dittany of Crete - Perennial to 1' tall by 3' wide w/ small hairy white lvs & rose-purple flwrs in summer-fall. Full sun. Occasional watering. Hardy to 5 degrees F.
|
|
