Plant Growing Guides

Oakington Blue Eyes

Veronica chamaedrys subsp. chamaedrys

Oakleaf Candytuft

Iberis sempervirens

Obedient Plant

Physostegia virginiana

Oblong-leaved Sundew

Drosera intermedia

Oblong Sundew

Drosera intermedia

October Skies

Aster novi-belgii 'October Skies'

Oculatus Basil

Ocimum basilicum 'Oculatus'

Odorata

Reseda odorata

Odorata Nana Water Lily

Nymphaea odorata var. minor

Odorata Pink Water Lily

Nymphaea odorata var. rosea

Odorata Red Water Lily

Nymphaea odorata var. rubra

Odorata Sulphurea Water Lily

Nymphaea odorata sulphurea

Evening Primrose

Oenothera biennis

Common Basil

Ocimum basilicum

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Oklahoma Pink

Dianthus chinensis × barbatus

Old Fashioned Bleeding Heart

Dicentra spectabilis

Opal Basil

Ocimum basilicum var. purpurascens

Opal Basil

Ocimum basilicum 'Opal'

Opening Night Petunia

Petunia × hybrida 'Opening Night'

Opium Poppy Picotee

Papaver somniferum 'Picotee'

Opium Poppy White Cloud

Papaver somniferum 'White Cloud'

Optima Basil

Ocimum basilicum 'Optima'

Orange Beauty

Calibrachoa × hybrida 'Orange Beauty'

Orange Bouquet

Asclepias tuberosa

Orange Calendula

Calendula officinalis

Orange Glow

Asclepias tuberosa

Orange Hawkweed

Hieracium aurantiacum

Orange Impression

Tulipa × gesneriana 'Orange Impression'

Orange King

Calendula officinalis 'Orange King'

Orange Marmalade Hosta

Hosta 'Orange Marmalade'

Orange Mint

Mentha × piperita var. citrata

Orange Queen

Asclepias tuberosa

Orange Rocket

Asclepias tuberosa 'Orange Rocket'

Orange Sun

Heliopsis helianthoides var. scabra 'Orange Sun'

Oregano and Marjoram

Origanum vulgare (oregano) and Origanum majorana (marjoram)

Oregano and Marjoram

Origanum vulgare (Oregano) and Origanum majorana (Marjoram)

Oriental Hybrid Lily 'Casa Blanca'

Lilium 'Casa Blanca'

Oriental Hybrid Lily 'Mona Lisa'

Lilium 'Mona Lisa'

Oriental Hybrid Lily 'Muscadet'

Lilium 'Muscadet'

Oriental Hybrid Lily 'Siberia'

Lilium 'Siberia'

Oriental Hybrid Lily Sorbonne

Lilium 'Sorbonne'

Oriental Hybrid Lily Stargazer

Lilium 'Stargazer'

Oriental Hybrid Lily

Lilium orientalis hybrids

Orientalis

Papaver orientale

Orientalis Hybrid Lily 'House of All Hallows'

Lilium × orientalis 'House of All Hallows'

Orientalis Hybrid Lily

Lilium × orientalis

Oriental Lily

Lilium orientalis hybrids