Plant Growing Guides

Oak

Quercus species

Oakleaf Hydrangea 'Munchkin'

Hydrangea quercifolia 'Munchkin'

Oakleaf Hydrangea Pee Wee

Hydrangea quercifolia 'Pee Wee'

Oakleaf Lettuce

Lactuca sativa var. crispa

Oak Park Blue Phlox

Phlox divaricata subsp. laphamii 'Oak Park Blue'

Oak Sedge

Carex quercetorum

Oat Groats Hulless Paul

Avena sativa

Oats (Nurse Crop)

Avena sativa

Oats (Nurse Crop) Marion

Avena sativa 'Marion'

Oats and Barley

Avena sativa (Oats) / Hordeum vulgare (Barley)

Obedient Plant

Physostegia virginiana

Oblong-leaved Sundew

Drosera intermedia

Oblong Sundew

Drosera intermedia

Obtuse Sedge

Carex obtusata

Oca

Oxalis tuberosa

October Daphne

Sedum sieboldii

October Daphne Sedum

Sedum sieboldii 'October Daphne'

October Skies

Aster novi-belgii 'October Skies'

Odontioda Cracens

Odontioda Cracens

Odontoglossum Crispum Hybrid Orchid

Odontoglossum crispum × (hybrid parentage)

Odontoglossum × Wilsonara

Odontoglossum × Wilsonara

Odorata

Reseda odorata

Sweet Osmanthus

Osmanthus fragrans var. odoratissima

Oha

Metrosideros polymorpha

Oha wai

Clermontia arborescens

Ohe

Tetraplasandra waimeaensis

Ohelo Berry

Vaccinium reticulatum

Ohia

Metrosideros polymorpha

Ohia Ai

Syzygium malaccense

Ohia Lehua

Metrosideros polymorpha

Ohia Palai

Metrosideros polymorpha

Ohi'a Wai

Syzygium sandwicense

Oka

Oxalis tuberosa

Okinawan Amaranth

Amaranthus tricolor

Okinawan Spinach

Alternanthera sissoo

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

Dusty Daisy Bush

Olearia phlogopappa

Olearia stellulata

Olearia stellulata

Olena

Curcuma longa

Olga Mezitt

Rhododendron 'Olga Mezitt'

Olive Ball Sedum

Sedum burrito var. burrito or Sedum 'Olive Ball'

Olney threesquare

Scirpus olneyi

Excavatum Orchid

Oncidium excavatum