Plant Growing Guides

Oba

Hyptis suaveolens

October Daphne

Sedum sieboldii

Odontioda Cracens

Odontioda Cracens

Odontoglossum Crispum Hybrid Orchid

Odontoglossum crispum × (hybrid parentage)

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

Okinawan Amaranth

Amaranthus tricolor

Okinawan Spinach

Alternanthera sissoo

Oleander 'Sister Agnes'

Nerium oleander 'Sister Agnes'

Oleander Variegata

Nerium oleander 'Variegata'

Daisy Bush

Olearia

Olearia microdisca

Olearia microdisca

Dusty Daisy Bush

Olearia phlogopappa

Olena

Curcuma longa

Olive Ball Sedum

Sedum burrito var. burrito or Sedum 'Olive Ball'

Excavatum Orchid

Oncidium excavatum

Oncidium 'Goldrush Sunset'

Oncidium × 'Goldrush Sunset'

Ong Choy

Ipomoea aquatica

Opal Basil

Ocimum basilicum 'Opal'

Oppenheimiana Cactus

Rebutia oppenheimiana

Orange Awapuhi

Zingiber zerumbet

Orange Bedder

Impatiens walleriana (hybrid cultivar)

Orange Bottlebrush Ginger

Zingiber spectabile

Orange Flowering Maple

Abutilon aurantiacum

Orange Ixora

Ixora coccinea

Orchid companion ferns

Polypodium species, Platycerium species, and related fern genera

Hawaiian Forest Orchid

Dendrobium orchids (native Hawaiian species)

Orchid Tree

Bauhinia variegata

Oregano

Origanum vulgare

Old Man of the Andes

Oreocereus leucotrichus

Orinoco Banana

Musa × paradisiaca 'Orinoco'

Orito

Musa acuminata subsp. banksii

Ornamental Flowering Perennials

Multiple genera and species

Ornamental Flowering Plants

Various species (Angiosperms with decorative flowers)

Ornamental Foliage Plants

Various genera and species

Ornamental Ginger

Alpinia, Hedychium, Curcuma, and related genera

Ornamental Purple

Iresine herbstii

Ornamental Purple Pepper

Capsicum annuum var. ornamentale

Ornamental Plants (General Category)

Various species

Ornamental Succulents

Various species (e.g., Sempervivum, Sedum, Echeveria, Aloe)