Plant Growing Guides

Oblonga Olive

Olea europaea 'Oblonga'

Oha

Metrosideros polymorpha

Ohai

Sesbania tomentosa

Ohe

Tetraplasandra waimeaensis

Ohelo Berry

Vaccinium reticulatum

O'Henry Peach

Prunus persica 'O'Henry'

Ohia Ai

Syzygium malaccense

Okitsu Mandarin

Citrus unshiu

Oklahoma Rose

Rosa 'Oklahoma'

Oleander

Nerium oleander

Dusty Daisy Bush

Olearia phlogopappa

Olive Arbequina

Olea europaea 'Arbequina'

Kalamata Olive

Olea europaea 'Kalamata'

Olive Koroneiki

Olea europaea 'Koroneiki'

Olive Manzanillo

Olea europaea 'Manzanillo'

Olive Tree, Manzanillo

Olea europaea 'Manzanillo'

Picholine Olive Tree

Olea europaea 'Picholine'

Opuntia

Opuntia ficus-indica

Indian Fig Prickly Pear

Opuntia ficus-indica

Opuntia (High Altitude Species)

Opuntia spp. (alpine/montane varieties)

Orangada

Citrus × sinensis 'Orangada'

Orange Citrus

Citrus × sinensis

Orange Flowering Maple

Abutilon aurantiacum

Orange Ixora

Ixora coccinea

Orange Navel

Citrus × sinensis 'Navel'

Orange Navel Bahianinha

Citrus sinensis 'Bahianinha'

Orange Navel Cara Cara

Citrus × sinensis 'Cara Cara'

Orange Navel Jaffa

Citrus × sinensis 'Jaffa'

Citrus (Oranges and Lemons)

Citrus sinensis (Orange) and Citrus limon (Lemon)

Jaffa Orange Tree

Citrus × sinensis 'Jaffa'

Navel Orange Tree

Citrus × sinensis 'Navel'

Sanguinello Orange

Citrus sinensis 'Sanguinello'

Ornamental Juniper Blue Star

Juniperus squamata 'Blue Star'

Ornamental Pear

Pyrus calleryana

Oro Blanco

Citrus paradisi × Citrus maxima

Ortanique Mandarin

Citrus reticulata 'Ortanique'

Ortanique Orange

Citrus sinensis 'Ortanique'

Oso Easy Cherry

Rosa 'Oso Easy Cherry'

Oso Easy Lemon Zest Rose

Rosa 'Oso Easy Lemon Zest'

Oso Easy Pink Abundance

Rosa 'Oso Easy Pink Abundance'

Oso Easy Yellow

Rosa 'Oso Easy Yellow'

Citrus (Other Species)

Citrus spp. (various)

Mid-Season Apple Varieties for Cross-Pollination

Malus domestica (various cultivars)

Native Proteaceae

Proteaceae (family)

Melaleuca (Tea Tree)

Melaleuca alternifolia

Oume

Prunus mume

Owari Satsuma

Citrus unshiu var. Owari

Ozark Blue Blueberry

Vaccinium ashei