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'

Ochlockonee Blueberry

Vaccinium ashei

October Daphne Sedum

Sedum sieboldii 'October Daphne'

Ogon

Sedum japonicum 'Ogon'

Oklahoma Blaze

Rosa 'Oklahoma Blaze'

Oklahoma Rose

Rosa 'Oklahoma'

Old Blush

Rosa × odorata 'Pallida'

Old Gold

Juniperus x media 'Old Gold'

Olga Mezitt

Rhododendron 'Olga Mezitt'

O'Neal Blueberry

Vaccinium corymbosum 'O'Neal'

O'Neal Rabbiteye Blueberry

Vaccinium ashei 'O'Neal'

Opuntia (High Altitude Species)

Opuntia spp. (alpine/montane varieties)

Orange Queen Heather

Erica cinerea 'Orange Queen'

Oregon Evergreen

Rubus laciniatus

Oregon Grape

Mahonia aquifolium

Oregon Grape Holly

Mahonia aquifolium

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)

Chinese Dunce Cap, Orostachys

Orostachys boehmeri

Chinese Dunce Cap

Orostachys furusei

Dunce Cap Cactus

Orostachys iwarenge

Dunce Cap Cactus

Orostachys malacophyllus

Dunce Cap Cactus

Orostachys spinosa

Dunce Cap Cactus

Orostachys thyrsiflora

Variegated Osmanthus

Osmanthus heterophyllus 'Variegatus'

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'

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.