Plant Growing Guides

Oakleaf Hydrangea

Hydrangea quercifolia

Oakleaf Hydrangea 'Alice'

Hydrangea quercifolia 'Alice'

Oakleaf Hydrangea 'Munchkin'

Hydrangea quercifolia 'Munchkin'

Oakleaf Hydrangea Pee Wee

Hydrangea quercifolia 'Pee Wee'

Oakleaf Hydrangea Snowflake

Hydrangea quercifolia 'Snowflake'

Oasis Melon

Cucumis melo var. reticulatus

October Daphne Sedum

Sedum sieboldii 'October Daphne'

Oklahoma

Physalis pubescens

Oklahoma Blaze

Rosa 'Oklahoma Blaze'

Oklahoma Rose

Rosa 'Oklahoma'

Old Gold

Juniperus x media 'Old Gold'

Old Green Gage

Prunus domestica subsp. italica

Olga Mezitt

Rhododendron 'Olga Mezitt'

Olympia Strawberry

Fragaria × ananassa 'Olympia'

Opuntia (High Altitude Species)

Opuntia spp. (alpine/montane varieties)

Orange Honeydew

Cucumis melo var. inodorus

Orange Pixie

Solanum pseudocapsicum × Solanum lycopersicum

Orange Queen Heather

Erica cinerea 'Orange Queen'

Orange Quince

Cydonia oblonga 'Orange'

Oregon Evergreen

Rubus laciniatus

Oregon Grape

Mahonia aquifolium

Oregon Grape Holly

Mahonia aquifolium

Orient Pear

Pyrus pyrifolia 'Orient'

Oriental Limelight Hydrangea

Hydrangea paniculata 'Summer Crush'

Orion Blueberry

Vaccinium corymbosum 'Orion'

Ornamental Evergreens

Various species (e.g., Ilex, Taxus, Buxus, Chamaecyparis)

Ornamental Holly

Ilex spp.

Ornamental Juniper Blue Star

Juniperus squamata 'Blue Star'

Ornamental Juniper Gold Coast

Juniperus horizontalis 'Gold Coast'

Ornamental Juniper

Juniperus spp.

Ornamental Shrubs

Various species (Genus-dependent)

Osborn Prolific Fig

Ficus carica 'Osborn Prolific'

Oso Easy Rose

Rosa 'Oso Easy'

Oso Easy Cherry

Rosa 'Oso Easy Cherry'

Oso Easy Fragrant Carpet Rose

Rosa 'Oso Easy Fragrant Carpet'

Oso Easy Lemon Zest Rose

Rosa 'Oso Easy Lemon Zest'

Oso Easy Midas Touch

Rosa 'Oso Easy Midas Touch'

Oso Easy Paprika Rose

Rosa 'Oso Easy Paprika'

Oso Easy Peachy Keen Rose

Rosa 'Oso Easy Peachy Keen'

Oso Easy Pink Abundance

Rosa 'Oso Easy Pink Abundance'

Oso Easy Sunny Day Rose

Rosa 'Oso Easy Sunny Day'

Oso Easy Yellow

Rosa 'Oso Easy Yellow'

Oso Sweet Strawberry

Fragaria × ananassa 'Oso Sweet'

Osprey Arborvitae

Thuja occidentalis 'Osprey'

Acid-Loving Plants (Blueberries and Azaleas)

Vaccinium spp. & Rhododendron spp.

Pieris and Leucothoe (Acid-Loving Shrubs)

Pieris spp. and Leucothoe spp.

Blueberry (Mixed Cultivars)

Vaccinium corymbosum and related species

Cassiope (Other Species)

Cassiope spp.