Plant Growing Guides

Oak Fern

Gymnocarpium dryopteris

Oakleaf Hydrangea

Hydrangea quercifolia

Oakleaf Hydrangea 'Alice'

Hydrangea quercifolia 'Alice'

Oakleaf Hydrangea Snowflake

Hydrangea quercifolia 'Snowflake'

Oak

Quercus spp.

Oarweed

Laminaria digitata

Obtusifolia

Philodendron obtusifolium

Ochlockonee Blueberry

Vaccinium ashei

Ocotillo

Fouquieria splendens

Odontioda

Odontioda spp. (intergeneric hybrid)

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 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.

Odorata Pygmaea Water Lily

Nymphaea odorata var. pygmaea

Odorata Red Water Lily

Nymphaea odorata var. rubra

Common Basil

Ocimum basilicum

Ohua

Alocasia macrorrhizos

Ojo de Pajaro

Rhaphidophora tetrasperma

Okra Leaf Amaranth

Amaranthus cruentus

Old Blush

Rosa × odorata 'Pallida'

Old Fashioned Bleeding Heart

Dicentra spectabilis

Old Gold

Juniperus x media 'Old Gold'

Old Man Cactus

Cephalocereus senilis

Olive

Olea europaea

Olive Blenheim

Olea europaea 'Blenheim'

Olive Frantoio

Olea europaea 'Frantoio'

Olive Leaf

Olea europaea

Olive Tree

Olea europaea

Olive Tree Colossal

Olea europaea 'Colossal'

Olympia Strawberry

Fragaria × ananassa 'Olympia'

Olympian Fig

Ficus carica 'Olympian'

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 Red

Oncidium Alliance (hybrid complex)

Sharry Baby Orchid

Oncidium ampliatum

Oncidium cebolleta

Oncidium cebolleta