Plant Growing Guides

Norway Maple 'Emerald Queen'

Acer platanoides 'Emerald Queen'

Norway Maple 'Schwedleri'

Acer platanoides 'Schwedleri'

Norway Maple

Acer platanoides

Norway Spruce

Picea abies

Nottingham Catchfly

Silene nutans

Nova Zembla

Rhododendron 'Nova Zembla'

Nova Zembla Rhododendron

Rhododendron 'Nova Zembla'

American Spatterdock

Nuphar advena

Yellow Pond-lily

Nuphar lutea subsp. lutea

Yellow Pond-lily

Nuphar lutea var. macrophylla

Little Spatterdock

Nuphar microphylla

Yellow Pond-lily

Nuphar polysepalum

Nuttall's Lobelia

Lobelia nuttallii

Fragrant Waterlily

Nymphaea odorata

Fragrant Water Lily, Sweet-scented Water Lily

Nymphaea odorata var. minor

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 Lettuce

Lactuca sativa var. crispa

Oakleaf Lettuce Green Oakleaf

Lactuca sativa var. crispa

Oak Park Blue Phlox

Phlox divaricata subsp. laphamii 'Oak Park Blue'

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

October Glory

Acer rubrum 'October Glory'

October Skies

Aster novi-belgii 'October Skies'

Odorata

Reseda odorata

Odorata White Water Lily

Nymphaea odorata var. alba

Evening Primrose

Oenothera biennis

Ogon

Sedum japonicum 'Ogon'

Oilseed Radish

Raphanus sativus var. oleifer

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Old Fashioned Bleeding Heart

Dicentra spectabilis

Olga Mezitt

Rhododendron 'Olga Mezitt'

Olney threesquare

Scirpus olneyi

Opal Basil

Ocimum basilicum 'Opal'

Orach

Atriplex hortensis

Orach Magenta Magic

Atriplex hortensis 'Magenta Magic'

Orange Calendula

Calendula officinalis

Orange King

Calendula officinalis 'Orange King'

Orange Marmalade Hosta

Hosta 'Orange Marmalade'