Plant Growing Guides

Oak

Quercus species

Oakleaf Lettuce

Lactuca sativa var. crispa

Oak Sedge

Carex quercetorum

Oba

Hyptis suaveolens

October Daphne

Sedum sieboldii

Odontioda Cracens

Odontioda Cracens

Odontoglossum Crispum Hybrid Orchid

Odontoglossum crispum × (hybrid parentage)

Odorata

Reseda odorata

Sweet Osmanthus

Osmanthus fragrans var. odoratissima

Oha

Metrosideros polymorpha

Oha wai

Clermontia arborescens

Ohe

Tetraplasandra waimeaensis

Ohelo Berry

Vaccinium reticulatum

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

Tree Daisy

Olearia arborescens

Henry Travers Daisy Bush

Olearia × haastii 'Henry Travers'

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

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 Calendula

Calendula officinalis

Orange Flowering Maple

Abutilon aurantiacum

Orange Ixora

Ixora coccinea

Orange King

Calendula officinalis 'Orange King'

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