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'

Oak Park Blue Phlox

Phlox divaricata subsp. laphamii 'Oak Park Blue'

Oblong-leaved Sundew

Drosera intermedia

Ochlockonee Blueberry

Vaccinium ashei

Ocotillo

Fouquieria splendens

October Daphne

Sedum sieboldii

October Daphne Sedum

Sedum sieboldii 'October Daphne'

Odontioda

Odontioda spp. (intergeneric hybrid)

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)

Lily of the Valley Orchid

Odontoglossum pulchellum

Odontoglossum rossii

Odontoglossum rossii

Odontoglossum

Odontoglossum spp.

Odontoglossum × Wilsonara

Odontoglossum × Wilsonara

Odorata

Reseda odorata

Odorata Pygmaea Water Lily

Nymphaea odorata var. pygmaea

Odorata Red Water Lily

Nymphaea odorata var. rubra

Sweet Osmanthus

Osmanthus fragrans var. odoratissima

Oha wai

Clermontia arborescens

Ohua

Alocasia macrorrhizos

Old Blush

Rosa × odorata 'Pallida'

Old Fashioned Bleeding Heart

Dicentra spectabilis

Old Gold

Juniperus x media 'Old Gold'

Oleander 'Sister Agnes'

Nerium oleander 'Sister Agnes'

Oleander Variegata

Nerium oleander 'Variegata'

Daisy Bush

Olearia

Holly-leaf Olearia

Olearia macrodonta

Olearia microdisca

Olearia microdisca

Daisy Bush

Olearia paniculata

Olearia stellulata

Olearia stellulata

Olga Mezitt

Rhododendron 'Olga Mezitt'

Oncidium

Oncidium spp.

Oncidium Alliance Compact Hybrids

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