Attracts Butterflies: Oats - Orna (97)
Oats, North American Wild
Oats, Northern Sea
Oats, River
Oats, Sea
Oats, Spanglegrass River
Obedient Plant (spp.)
Obedient Plant 'Miss Manners'
Obedient Plant 'Mordea Beauty'
Obedient Plant 'Pink Bouquet'
Obedient Plant 'Red Beauty'
Obedient Plant 'Summer Snow'
Obedient Plant Variegated
Ocotillo
Ocotillo Macho
Ocotillo, Tree
Ocotillo: macdougalii
Ocotillo: purpusii
Octopus Agave
Octopus Plant: actinophylla (spp.)
Octopus Tree (spp.)
Ogeechee Lime
Ogeechee Tupelo
'Okame' Heavenly Bamboo
'Oklahoma' Rose
Old Fashioned Weigela 'Eyecatcher'
Old Fashioned Weigela 'Fine Wine®'
Old Fashioned Weigela 'Ghost™'
Old Fashioned Weigela 'Midnight Wine®'
Old Fashioned Weigela 'My Monet™'
Old Fashioned Weigela 'Sonic Bloom® Pearl'
Old Fashioned Weigela 'Sonic Bloom® Pink'
Old Fashioned Weigela 'Sonic Bloom™ Red'
Old Fashioned Weigela 'Spilled Wine®'
'Old Gold' American Holly
Old Man's Beard
Old Man's Beard: virginicus
'Ole' Rose
'Olin Criswell' Daylily
Olive Holly 'Gulftide'
Olive Holly 'Kembu'
Olive Leaf Grevillea
Olive, Holly Tea 'Gulftide'
Olive, Holly Tea 'Kembu'
Olive, Texas Wild
Olive, Wild
Olive: americanus, Wild
'Olivia' Indian Hawthorn
'Olympic Fire' Mountain Laurel
'Opera' Butterflybush: hybrid
Orange Cestrum
Orange Coneflower 'Goldsturm'
Orange Jessamine
Orange Larkspur 'Laurin'
Orange Sunflower (spp.)
Orange Sunflower 'Ballerina'
Orange Sunflower 'Summer Sun'
Orange Trumpet
Orange Wattle
'Orangeade' Rose
Orchid, Cradle
Orchid: maxima
Oregon Grape 'Skylark'
Oregon Grape (spp.)
Oregon Grape 'Compactum'
Oregon Holly Grape (spp.)
Oregon Holly Grape 'Compactum'
Oregon Holly (spp.)
Oregon Holly 'Compactum'
Oregon Maple
Oregon White Oak
Oriental Pear
Oriental Photinia
Ornamental Grass (spp.)
Ornamental Grass 'Adagio'
Ornamental Grass 'Autumn Light'
Ornamental Grass 'Cabaret'
Ornamental Grass 'Cosmopolitan'
Ornamental Grass 'Ferner Olsten'
Ornamental Grass 'Gracillimus'
Ornamental Grass 'Graziella'
Ornamental Grass 'Huron Sunrise'
Ornamental Grass 'Little Dot'
Ornamental Grass 'Malepartus'
Ornamental Grass 'Morning Light'
Ornamental Grass 'Purpurascens'
Ornamental Grass 'Sarabande'
Ornamental Grass 'Silberfeder'
Ornamental Grass 'Strictus'
Ornamental Grass Variegated
Ornamental Grass 'Zebrinus'
Ornamental Peach (spp.)
Ornamental Peach 'Corinthian Mauve'
Ornamental Peach 'Corinthian Pink'
Ornamental Peach 'Corinthian Rose'
Ornamental Peach 'Corinthian White'
Ornamental Tobacco (spp.)
Ornamental Tobacco 'Avalon Bright Pink'