Plant Growing Guides

Oakington Blue Eyes

Veronica chamaedrys subsp. chamaedrys

Oakleaf Candytuft

Iberis sempervirens

Obedient Plant

Physostegia virginiana

Oblong Sundew

Drosera intermedia

October Skies

Aster novi-belgii 'October Skies'

Odontioda Bictoniense

Odontioda bictoniense

Odontoglossum Orchid

Odontoglossum spp.

Odorata Nana Water Lily

Nymphaea odorata var. minor

Odorata Pink Water Lily

Nymphaea odorata var. rosea

Odorata Sulphurea Water Lily

Nymphaea odorata sulphurea

Odorata White Water Lily

Nymphaea odorata var. alba

Evening Primrose

Oenothera biennis

Oenothera deltoides

Oenothera deltoides

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Oklahoma Pink

Dianthus chinensis × barbatus

Oklahoma Scarlet

Rosa oklahoma

Oncidium Alliance Orchids

Oncidium alliance (genus Oncidium and related genera)

Oncidium Hybrid

Oncidium × hybridum

On Parade

Dahlia × hybrida 'On Parade'

Opening Night Petunia

Petunia × hybrida 'Opening Night'

Opium Poppy Picotee

Papaver somniferum 'Picotee'

Opium Poppy White Cloud

Papaver somniferum 'White Cloud'

Optimara Freya

Saintpaulia ionantha 'Optimara Freya'

Orange Bedder

Impatiens walleriana (hybrid cultivar)

Orange Bottlebrush Ginger

Zingiber spectabile

Orange Bouquet

Asclepias tuberosa

Orange Hawkweed

Hieracium aurantiacum

Orange Impression

Tulipa × gesneriana 'Orange Impression'

Orange King

Calendula officinalis 'Orange King'

Orange Queen

Asclepias tuberosa

Orange Star

Ornithogalum dubium

Orange Sun

Heliopsis helianthoides var. scabra 'Orange Sun'

Orbit Rose

Rosa × hybrida 'Orbit'

Orchid Cactus

Selenicereus anthonyanus

Orchid Companion Plants

Various species (Orchidaceae family companions)

Dendrobium Orchid

Dendrobium spp.

Oncidium Orchid

Oncidium spp.

Oriental Breeze

Chrysanthemum morifolium 'Oriental Breeze'

Oriental Hybrid Lily 'Casa Blanca'

Lilium 'Casa Blanca'

Oriental Hybrid Lily 'Mona Lisa'

Lilium 'Mona Lisa'

Oriental Hybrid Lily 'Muscadet'

Lilium 'Muscadet'

Oriental Hybrid Lily 'Siberia'

Lilium 'Siberia'

Oriental Hybrid Lily Sorbonne

Lilium 'Sorbonne'

Oriental Hybrid Lily Stargazer

Lilium 'Stargazer'

Oriental Hybrid Lily

Lilium orientalis hybrids

Orientalis Hybrid Lily 'House of All Hallows'

Lilium × orientalis 'House of All Hallows'

Orientalis Hybrid Lily

Lilium × orientalis

Oriental Lily

Lilium orientalis hybrids