Plant Growing Guides

Oakleaf Candytuft

Iberis sempervirens

Oasis Melon

Cucumis melo var. reticulatus

Obedient Plant

Physostegia virginiana

Oblong Sundew

Drosera intermedia

October Skies

Aster novi-belgii 'October Skies'

Odontoglossum Crispum Hybrid Orchid

Odontoglossum crispum × (hybrid parentage)

Odorata

Reseda odorata

Odorata Nana Water Lily

Nymphaea odorata var. minor

Odorata Pink Water Lily

Nymphaea odorata var. rosea

Odorata Pygmaea Water Lily

Nymphaea odorata var. pygmaea

Odorata Red Water Lily

Nymphaea odorata var. rubra

Odorata Sulphurea Water Lily

Nymphaea odorata sulphurea

Odorata White Water Lily

Nymphaea odorata var. alba

Evening Primrose

Oenothera biennis

Oenothera deltoides

Oenothera deltoides

Oklahoma

Physalis pubescens

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Oklahoma Pink

Dianthus chinensis × barbatus

Oklahoma Scarlet

Rosa oklahoma

Old Fashioned Bleeding Heart

Dicentra spectabilis

Olallieberry

Rubus × loganbaccus var. ollaliensis

Olympia Strawberry

Fragaria × ananassa 'Olympia'

Excavatum Orchid

Oncidium excavatum

Oncocyclus Iris

Iris oncocyclus

On Parade

Dahlia × hybrida 'On Parade'

Onslow Blueberry

Vaccinium corymbosum 'Onslow'

Opening Night Petunia

Petunia × hybrida 'Opening Night'

Opium Poppy Picotee

Papaver somniferum 'Picotee'

Opium Poppy White Cloud

Papaver somniferum 'White Cloud'

Oppenheimiana Cactus

Rebutia oppenheimiana

Opuntia Fig Gialla

Opuntia ficus-indica 'Gialla'

Opuntia Fig Rossa

Opuntia ficus-indica 'Fig Rossa'

Opuntia Fig

Opuntia ficus-indica

Opuntia Fig Sanguigna

Opuntia ficus-indica var. sanguigna

Orange Beauty

Calibrachoa × hybrida 'Orange Beauty'

Orange Bouquet

Asclepias tuberosa

Orange Calendula

Calendula officinalis

Orange Glow

Asclepias tuberosa

Orange Honeydew

Cucumis melo var. inodorus

Orange King

Calendula officinalis 'Orange King'

Orange Pixie

Solanum pseudocapsicum × Solanum lycopersicum

Orange Queen

Asclepias tuberosa

Orange Quince

Cydonia oblonga 'Orange'

Orange Rocket

Asclepias tuberosa 'Orange Rocket'

Orange Star

Ornithogalum dubium

Orange Sun

Heliopsis helianthoides var. scabra 'Orange Sun'

Orbit Rose

Rosa × hybrida 'Orbit'

Orchid Cactus

Selenicereus anthonyanus