Plant Growing Guides

OAC Thunder Oat

Avena sativa

Oak

Quercus species

Oak Fern

Gymnocarpium dryopteris

Oakleaf Lettuce

Lactuca sativa var. crispa

Oak

Quercus spp.

Oasis Melon

Cucumis melo var. reticulatus

Oat Grass

Avena sativa

Oat Groats Hulless

Avena sativa var. nuda

Hulless Oats Marion

Avena sativa var. nuda

Oat Groats Hulless Paul

Avena sativa

Oats

Avena sativa

Common Oats

Avena sativa

Oats (Nurse Crop)

Avena sativa

Oats (Nurse Crop) Marion

Avena sativa 'Marion'

Oats and Barley

Avena sativa (Oats) / Hordeum vulgare (Barley)

Winter Cereal Rye

Secale cereale

Obedient Plant

Physostegia virginiana

Oberkulmer Rotkorn

Triticum aestivum subsp. spelta

Oberkulmer Spelt

Triticum dicoccum

Oblong-leaved Sundew

Drosera intermedia

Oblong Sundew

Drosera intermedia

Oborozuki

Solanum lycopersicum 'Oborozuki'

Obsidian Tomato

Solanum lycopersicum 'Obsidian'

Obtuse Sedge

Carex obtusata

October Skies

Aster novi-belgii 'October Skies'

Oddity Tomato

Solanum lycopersicum 'Oddity'

Odorata

Reseda odorata

Odorata Nana Water Lily

Nymphaea odorata var. minor

Odorata Red Water Lily

Nymphaea odorata var. rubra

Common Basil

Ocimum basilicum

Oklahoma Red Onion

Allium cepa 'Oklahoma Red'

Old Fashioned Bleeding Heart

Dicentra spectabilis

Old Gold

Juniperus x media 'Old Gold'

Olney threesquare

Scirpus olneyi

Olympia Strawberry

Fragaria × ananassa 'Olympia'

Oneida

Solanum tuberosum 'Oneida'

Onion

Allium cepa

Onion Ailsa Craig

Allium cepa 'Ailsa Craig'

Onion Candy

Allium cepa var. cepa 'Candy'

Onion Walla Walla

Allium cepa var. cepa

Yellow Sweet Spanish Onion

Allium cepa

Onion, Yellow Sweet Spanish

Allium cepa var. cepa

O'odham Pink

Solanum lycopersicum 'O'odham Pink'

Opalka Tomato

Solanum lycopersicum 'Opalka'

Open-Pollinated Dent Corn

Zea mays indentata

Opium Poppy Picotee

Papaver somniferum 'Picotee'

Opuntia (High Altitude Species)

Opuntia spp. (alpine/montane varieties)

Orach

Atriplex hortensis