Plant Growing Guides

Oakington Blue Eyes

Veronica chamaedrys subsp. chamaedrys

Oakleaf Candytuft

Iberis sempervirens

Oak Park Blue Phlox

Phlox divaricata subsp. laphamii 'Oak Park Blue'

Obedient Plant

Physostegia virginiana

Oblong-leaved Sundew

Drosera intermedia

Oblong Sundew

Drosera intermedia

October Skies

Aster novi-belgii 'October Skies'

Odontioda

Odontioda spp. (intergeneric hybrid)

Odontioda Bictoniense

Odontioda bictoniense

Odontioda Cracens

Odontioda Cracens

Odontioda Mendoza

Odontioda Mendoza (hybrid orchid)

Odontioda Striata

Odontioda striata

Odontioda Vuylstekeara

Odontioda × Vuylstekeara (intergeneric hybrid)

Odontioda Wilsonii

Odontioda Wilsonii

Beallara Orchid

Odontoglossum × Beallara

Odontoglossum × Cotyledon

Odontoglossum × Cotyledon

Crispy Odontoglossum

Odontoglossum crispum

Odontoglossum Crispum Hybrid Orchid

Odontoglossum crispum × (hybrid parentage)

Odontoglossum grande

Odontoglossum grande

Odontoglossum Hybrid

Odontoglossum × hybridum

Odontoglossum × Miltoniopsis

Odontoglossum × Miltoniopsis

Odontoglossum × Oncidium Hybrid Orchid

Odontoglossum × Oncidium (Odontioda)

Odontoglossum Orchid

Odontoglossum spp.

Lily of the Valley Orchid

Odontoglossum pulchellum

Odontoglossum rossii

Odontoglossum rossii

Odontoglossum

Odontoglossum spp.

Odontoglossum × Wilsonara

Odontoglossum × Wilsonara

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

Ohua

Alocasia macrorrhizos

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Oklahoma Pink

Dianthus chinensis × barbatus

Oklahoma Scarlet

Rosa oklahoma

Old Fashioned Bleeding Heart

Dicentra spectabilis

Oncidium

Oncidium spp.

Oncidium Alliance Compact Hybrids

Oncidium spp. and allied genera (Odontoglossum, Cochlioda, Miltonia) - hybrid cultivars

Oncidium Alliance Orchid

Oncidium alliance hybrids (multiple genera)

Oncidium Alliance Orchids

Oncidium alliance (genus Oncidium and related genera)

Oncidium Alliance Red

Oncidium Alliance (hybrid complex)

Sharry Baby Orchid

Oncidium ampliatum

Oncidium Blast

Oncidium × 'Blast'