Plant Growing Guides

Oak

Quercus species

Oak

Quercus spp.

Oblonga Olive

Olea europaea 'Oblonga'

October Glory

Acer rubrum 'October Glory'

O'Henry Peach

Prunus persica 'O'Henry'

Okame Cherry

Prunus × incamp 'Okame'

Okitsu Mandarin

Citrus unshiu

Olive

Olea europaea

Olive Arbequina

Olea europaea 'Arbequina'

Olive Blenheim

Olea europaea 'Blenheim'

Olive Frantoio

Olea europaea 'Frantoio'

Kalamata Olive

Olea europaea 'Kalamata'

Olive Koroneiki

Olea europaea 'Koroneiki'

Olive Leaf

Olea europaea

Olive Manzanillo

Olea europaea 'Manzanillo'

Olive Tree

Olea europaea

Olive Tree Colossal

Olea europaea 'Colossal'

Olive Tree, Manzanillo

Olea europaea 'Manzanillo'

Picholine Olive Tree

Olea europaea 'Picholine'

Olympian Fig

Ficus carica 'Olympian'

Orangada

Citrus × sinensis 'Orangada'

Orange

Citrus × sinensis

Orange Citrus

Citrus × sinensis

Orange Dream Japanese Maple

Acer palmatum 'Orange Dream'

Orange Navel

Citrus × sinensis 'Navel'

Orange Navel Bahianinha

Citrus sinensis 'Bahianinha'

Orange Navel Jaffa

Citrus × sinensis 'Jaffa'

Citrus (Oranges and Lemons)

Citrus sinensis (Orange) and Citrus limon (Lemon)

Navel Orange Tree

Citrus × sinensis 'Navel'

Orange Tree

Citrus × sinensis

Sanguinello Orange

Citrus sinensis 'Sanguinello'

Orchard Trees

Various species (Malus, Prunus, Pyrus, Juglans, etc.)

Orchard Trees and Vines

Various species (Malus, Prunus, Vitis, Pyrus, etc.)

Orchard Understory Trees

Various species (e.g., Malus, Prunus, Pyrus spp.)

Oregon Ash

Fraxinus latifolia

Oregon White Oak

Quercus garryana

Orlando Tangerine

Citrus reticulata 'Orlando'

Ornamental Apple

Malus spp.

Ornamental Bark Trees

Various species (Betula, Acer, Prunus, Stewartia, etc.)

Ornamental Cherry

Prunus serrulata

Ornamental Crabapple

Malus spp.

Ornamental Pear

Pyrus calleryana

Oro Blanco

Citrus paradisi × Citrus maxima

Acacia (Other Species)

Acacia spp.

Agroforestry Trees

Various species (Alnus, Acacia, Gliricidia, Sesbania, Erythrina, etc.)

American Plum

Prunus americana

Apple (Other Varieties)

Malus domestica

Apple (Cross-Pollination Varieties)

Malus domestica