Plant Growing Guides

Orange Flowering Maple

Abutilon aurantiacum

Orange Hibiscus

Hibiscus rosa-sinensis

Orange Ixora

Ixora coccinea

Orange Mint

Mentha × piperita var. citrata

Orange Queen Heather

Erica cinerea 'Orange Queen'

Orange Zest

Ocimum basilicum 'Orange Zest'

Orchid Fern

Rhaphidophora tetrasperma

Orchid Moss Pole

Sphagnum moss (various species)

Oregano

Origanum vulgare

Oregano and Marjoram

Origanum vulgare (oregano) and Origanum majorana (marjoram)

Oregano and Marjoram

Origanum vulgare (Oregano) and Origanum majorana (Marjoram)

Oregano Sedum

Sedum oreganum

Oregon Evergreen

Rubus laciniatus

Oregon Grape

Mahonia aquifolium

Oregon Grape Holly

Mahonia aquifolium

Oreocereus

Oreocereus (genus)

Organ Pipe

Stenocereus thurberi

Oriental Limelight Hydrangea

Hydrangea paniculata 'Summer Crush'

Orion Blueberry

Vaccinium corymbosum 'Orion'

Ornamental Basil

Ocimum basilicum var. ornamentale

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 Purple

Iresine herbstii

Ornamental Shrubs

Various species (Genus-dependent)

Oro di Bogliasco

Ocimum basilicum 'Oro di Bogliasco'

Orpine

Sedum telephium

Osmanthus

Osmanthus fragrans

Variegated Osmanthus

Osmanthus heterophyllus 'Variegatus'

Osmin Purple Basil

Ocimum basilicum 'Osmin Purple'

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'

Hawaiian Rosemary or Osteomeles

Osteomeles anthyllidifolia

Ostrich Feather

Matteuccia struthiopteris

Othello Basil

Ocimum basilicum 'Othello'

Acid-Loving Plants (Blueberries and Azaleas)

Vaccinium spp. & Rhododendron spp.

Native Hawaiian Azalea

Rhododendron species (Hawaiian natives)