Plant Growing Guides

Oak

Quercus species

Oak Fern

Gymnocarpium dryopteris

Oakington Blue Eyes

Veronica chamaedrys subsp. chamaedrys

Oak Leaf Lettuce

Lactuca sativa var. crispa

Oakleaf Candytuft

Iberis sempervirens

Oakleaf Hydrangea

Hydrangea quercifolia

Oakleaf Hydrangea 'Alice'

Hydrangea quercifolia 'Alice'

Oakleaf Hydrangea 'Munchkin'

Hydrangea quercifolia 'Munchkin'

Oakleaf Hydrangea Pee Wee

Hydrangea quercifolia 'Pee Wee'

Oakleaf Hydrangea Snowflake

Hydrangea quercifolia 'Snowflake'

Oakleaf Lettuce

Lactuca sativa var. crispa

Oakleaf Lettuce Green Oakleaf

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 and Barley

Avena sativa (Oats) / Hordeum vulgare (Barley)

Obedient Plant

Physostegia virginiana

Oblong-leaved Sundew

Drosera intermedia

Oblong Sundew

Drosera intermedia

Oca

Oxalis tuberosa

October Daphne Sedum

Sedum sieboldii 'October Daphne'

October Glory

Acer rubrum 'October Glory'

October Skies

Aster novi-belgii 'October Skies'

Odorata

Reseda odorata

Odorata White Water Lily

Nymphaea odorata var. alba

Sweet Osmanthus

Osmanthus fragrans var. odoratissima

Evening Primrose

Oenothera biennis

Ogon

Sedum japonicum 'Ogon'

Oilseed Radish

Raphanus sativus var. oleifer

Oka

Oxalis tuberosa

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Old Fashioned Bleeding Heart

Dicentra spectabilis

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

Olga Mezitt

Rhododendron 'Olga Mezitt'

Olney threesquare

Scirpus olneyi

O'Neal Rabbiteye Blueberry

Vaccinium ashei 'O'Neal'

Opal Basil

Ocimum basilicum 'Opal'

Japanese Mondo Grass

Ophiopogon japonicus

Orach

Atriplex hortensis