Plants beginning with O

Omphalodes cappadocica 'Cherry Ingram'

Omphalodes cappadocica 'Parisian Skies'

Omphalodes cappadocica 'Starry Eyes'

Ophiopogon japonicus

Ophiopogon japonicus 'Nippon'

Ophiopogon planiscapus 'Nigrescens'

Origanum 'Rosenkuppel'

Origanum laevigatum 'Herrenhausen'

Origanum laevigatum 'Hopleys'

Origanum vulgare 'Gold Tip' (v)

Origanum vulgare 'Thumble's Variety'

Origanum vulgare subsp. hirtum

Osmanthus x burkwoodii

Osmunda cinnamomea

Osmunda regalis

Osmunda regalis 'Purpurascens'

Osteospermum 'Lady Leitrim'

Osteospermum jucundum 'Langtrees'