Plants
Ochna mossambicensis
Ocimum basilicum
Ocimum basilicum 'Ararat'
Ocimum basilicum 'Aussie Sweetie'
Ocimum basilicum 'Citriodorum'
Ocimum basilicum 'Crispum'
Ocimum basilicum 'Dark Opal'
Ocimum basilicum 'Genovese'
Ocimum basilicum 'Minimum'
Ocimum basilicum 'Purple Delight'
Ocimum basilicum 'Purple Ruffles'
Ocimum basilicum 'Siam Queen'
Ocimum basilicum 'Spicy Globe'
Ocimum basilicum 'Spicy Globe'
Ocimum basilicum 'Sweet Dani'
Ocimum kilimanscharicum x basilicum 'African Blue'
Ocimum x citriodorum 'Pesto Perpetuo'
Odontonema callistachyum (geminatum) 'lavender form'
Odontonema cuspidatum
Odontonema strictum
Oenanthe javanica 'Flamingo'
Oenothera 'Lemon Drop®'
Oenothera berlandieri 'Siskiyou'
Oenothera berlandieri 'Woodside White'
Oenothera biennis
Oenothera caespitosa
Oenothera caespitosa 'Blue Carpet'
Oenothera caespitosa var. eximea
Oenothera drummondii
Oenothera fruticosa
Oenothera fruticosa 'Erica Robin'
Oenothera fruticosa 'Fireworks' (Fyrverkeri)'
Oenothera fruticosa 'Golden Sunray'
Oenothera fruticosa 'Highlights' (Hohes Licht)'
Oenothera fruticosa 'Illumination'
Oenothera fruticosa 'Lady Brookborough'
Oenothera fruticosa 'Sonnenwende' (Summer Soltice)'
Oenothera fruticosa 'Yellow River'
Oenothera glazioviana (lamarkiana) 'Tina James'
Oenothera macrocarpa (missouriensis)
Oenothera macrocarpa (missouriensis) 'Greencourt Lemon'
Oenothera odorata
Oenothera perennis (pumila)
Oenothera speciosa
Oenothera speciosa 'Alba'
Oenothera speciosa 'Ballerina Hot Pink'
Omphalodes cappadocica
Omphalodes cappadocica 'Starry Eyes'
Omphalodes linifolia
Omphalodes verna
Oncoba spinosa
Onoclea sensibilis
Onopordum acanthium
Ophiopogon (Liriope gigantea) jaburan
Ophiopogon (Liriope gigantea) jaburan 'Variegatus'
Ophiopogon japonicus
Ophiopogon japonicus 'Gyoko-ryu'
Ophiopogon japonicus 'Variegatus'
Ophiopogon planiscapus 'Nigrescens' (Arabicus)'
Opuntia englemannii var. lindheimeri
Opuntia humifusa (compressa)
Opuntia phaeacantha
Opuntia rufida
Origanum (Marjoram hortensis) majorana
Origanum (Marjoram hortensis) majorana 'Variegata'
Origanum vulgare
Origanum vulgare 'Album'
Origanum vulgare 'Aureum'
Origanum vulgare 'Aureum'
Origanum vulgare 'Compactum Aureum'
Origanum vulgare 'Compactum'
Origanum vulgare 'Dark Leaf'
Origanum vulgare 'Newton Wonder'
Origanum vulgare 'Variegata'
Origanum vulgare ssp. hirtum
Orixa japonica
Orixa japonica 'Variegata'
Ornithogalum arabicum
Ornithogalum balansae
Ornithogalum nutans
Ornithogalum nutans 'Variegata'
Ornithogalum nutans var. boucheanum
Ornithogalum pyramidale
Ornithogalum saundersiae
Ornithogalum thyrsoides
Ornithogalum thyrsoides 'Mount Blanc'
Ornithogalum thyrsoides var. album
Ornithogalum thyrsoides var. aureum
Ornithogalum umbellatum
Orontium aquaticum
Orthosiphon aristatus
Orthosiphon aristatus 'Alba'
Orthosiphon stamineus
Orthosiphon stamineus 'Album'
Osmanthus americanus
Osmanthus armatus
Osmanthus decorus
Osmanthus delavayi
Osmanthus fragrans
Osmanthus fragrans 'Apricot Gold'
Osmanthus fragrans 'Butter Yellow'
Osmanthus fragrans 'Conger Yellow'
Osmanthus fragrans 'Hunter's Creek'
Osmanthus fragrans 'Live Oak Gold'
Osmanthus fragrans 'Nanjing's Beauty' (Fudingzhu)'
Osmanthus fragrans 'Orange Supreme'
Osmanthus fragrans 'T-Tower'
Osmanthus fragrans f. aurantiacus
Osmanthus fragrans var. latifolia
Osmanthus fragrans var. semperflorens
Osmanthus fragrans var. thunbergii
Osmanthus heterophyllus (ilicifolius)
Osmanthus heterophyllus (ilicifolius) 'Aureomarginatus'
Osmanthus heterophyllus (ilicifolius) 'Aureus'
Osmanthus heterophyllus (ilicifolius) 'Fastigiata'
Osmanthus heterophyllus (ilicifolius) 'Goshiki'
Osmanthus heterophyllus (ilicifolius) 'Gulftide'
Osmanthus heterophyllus (ilicifolius) 'Head-Lee Fastigiate'
Osmanthus heterophyllus (ilicifolius) 'Kembu'
Osmanthus heterophyllus (ilicifolius) 'Latifolius Variegatus'
Osmanthus heterophyllus (ilicifolius) 'Myrtifolius'
Osmanthus heterophyllus (ilicifolius) 'Ogon'
Osmanthus heterophyllus (ilicifolius) 'Purpureus'
Osmanthus heterophyllus (ilicifolius) 'Rotundifolius'
Osmanthus heterophyllus (ilicifolius) 'Sasaba'
Osmanthus heterophyllus (ilicifolius) 'Variegatus'
Osmanthus megacarpus
Osmanthus serrulatus
Osmanthus x burkwoodii
Osmanthus x fortunei
Osmanthus x fortunei 'Fruitlandii'
Osmanthus x fortunei 'San Jose'
Osmanthus x fortunei 'Variegatus'
Osmanthus yunnanensis
Osmunda cinnamomea
Osmunda cinnamomea
Osmunda claytonia
Osmunda regalis
Osteomeles anthyllidifolia
Osteospermum
Osteospermum 'Cannington John'
Osteospermum 'FlowerPower™ Red Stripes'
Osteospermum 'Kenai™ Grande Pineapple'
Osteospermum 'Kenai™ Honeydew'
Osteospermum 'Kenai™ Orange Dream'
Osteospermum 'Kenai™ Pineapple Blush'
Osteospermum 'Kenai™ Series'
Osteospermum 'Lady Lutrum'
Osteospermum 'Lubutu'
Osteospermum 'Stardust'
Osteospermum 'Sunny® Gustov'
Osteospermum 'Sunny® Sonja'
Osteospermum echlonis x barberae
Osteospermum ecklonis
Osteospermum ecklonis 'Serenity™ Dark Lavender'
Osteospermum ecklonis 'Serenity™ Lavender Frost'
Osteospermum ecklonis 'Serenity™ Purple'
Osteospermum ecklonis 'Serenity™ Series'
Osteospermum ecklonis 'Serenity™ Sunburst'
Osteospermum ecklonis 'Serenity™ White'
Osteospermum ecklonis 'Tradewinds™ Light Purple'
Osteospermum ecklonis 'Tradewinds™ Pure Yellow'
Osteospermum ecklonis 'Tradewinds™ Purple Bicolor'
Osteospermum ecklonis 'Zion™ Plum'
Osteospermum jucundum
Osteospermum jucundum 'Blackthorn'
Osteospermum jucundum 'Buttermilk'
Osteospermum jucundum 'Pink Whirls'
Osteospermum jucundum 'Whirlygig'
Osteospermum prostata
Ostrowskia magnifica
Ostrya carpinifolia
Ostrya japonica
Ostrya knowltonii
Ostrya virginiana
Otacanthus caeruleus
Otacanthus caeruleus
Otacanthus caeruleus 'Caribbean™ Blue'
Ourisia macrophylla
Oxalis adenophylla
Oxalis crassipes 'Charmed™ Wine'
Oxalis crassipes 'Charmed™ Wine'
Oxalis deppei
Oxalis enneaphylla 'Rosea'
Oxalis namaclinis 'Robinson'
Oxalis oregana var. smallii
Oxalis regnellii
Oxalis regnellii 'Alba'
Oxalis regnellii 'Purpurea'
Oxalis tetraphylla 'Deppel Iron Cross'
Oxalis violacea
Oxalis violacea 'Alba'
Oxalis violacea 'Rosea'
Oxydendrum arboreum
Oxydendrum arboreum 'Albomarginatum'
Oxydendrum arboreum 'Chaemeleon'
Oxydendrum arboreum 'Mt. Charm'
Oxypetalum caeruleum
Ozothamnus diosmifolius
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