Plants that begin with O
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Flowers by color:
Blue Flowers Pink Flowers Purple Flowers Orange Flowers Red Flowers Salmon Flowers Yellow Flowers White Flowers
An alphabetical listing of plants that start with O.
![Ochna serrulata, Mickey Mouse Plant](../images/Ochna-serrulata-th2.jpg)
![Ocimum labiatum, Orthosiphon labiatum, Shell Bush, Pink Sage, Pink Cat's Whiskers](../images/Ocimum-labiatum-th2.jpg)
![Odontonema strictum, Fire Spike](../images/Odontonema-strictum-th2.jpg)
![Oenothera cespitosa, Fragrant Evening Primrose, Tufted Evening Primrose](../images/Oenothera-cespitosa-th2.jpg)
![Oenothera elata hookeri, Hooker's Evening Primrose](../images/Oenothera-elata-hookeri-th2.jpg)
![Oenothera fremontii Shimmer, Shimmer Sundrops, Freemont Evening Primrose](../images/Oenothera-fremontii-Shimmer-th2.jpg)
![Oenothera missouriensis, Missouri Evening Primrose, Ozark Sundrops](../images/Oenothera_missouriensis_th2.jpg)
![Oenothera speciosa, Mexican Evening Primrose](../images/Oenothera-speciosa-th2.jpg)
![Ophiopogon japonicus nana, Dwarf Mondo Grass](../images/Ophiopogon-japonicus-nanus-th2.jpg)
![Ophiopogon planiscapus nigrescens, Black Mondo Grass](../images/Ophiopogon-nigrescens-th2.jpg)
![Opuntia basilaris, Beavertail Pricklypear Cactus](../images/Opuntia-basilaris-basilaris-th2.jpg)
![Origanum dictamnus, Crete Dittany](../images/Oreganum-dictamnus-th2.jpg)
![Origanum Hoppley's Purple, Hopley's Purple Oregano](../images/Origanum-Hopleys-Purple-th2.jpg)
![Origanum Kaliteri, Greek Oregano](../images/Origanum-kaliteri-th2.jpg)
![Origanum rotundifolium Kent Beauty, Kent Beauty Oregano](../images/Origanum-kent-beauty-th2.jpg)
![Ornithogalum fimbrimarginatum](../images/Ornithogalum-fimbrimarginatum-th2.jpg)
![Orthosiphon labiatum, Ocimum labiatum, Shell Bush, Pink Sage, Pink Cat's Whiskers](../images/Ocimum-labiatum-th2.jpg)
![Oscularia deltoides, Pink Iceplant](../images/Oscularia-deltoides-th2.jpg)
![Osmanthus fragrans, Sweet Olive](../images/Osmanthus-fragrans-th2.jpg)
Ochna serrulata * Mickey Mouse Plant
Ocimum labiatum * Shell Bush, Pink Sage, Pink Cat's Whiskers
Odontonema strictum * Fire Spike
Oenothera cespitosa * Fragrant Evening Primrose, Tufted Evening Primrose
Oenothera elata hookeri * Hooker's Evening Primrose
Oenothera fremontii Shimmer * Shimmer Sundrops, Fremont Evening Primrose
Oenothera missouriensis * Missouri Evening Primrose, Ozark Sundrops
Oenothera speciosa * Mexican Evening Primrose
Ophiopogon japonicus nana * Dwarf Mondo Grass
Ophiopogon planiscapus nigescens * Black Mondo Grass
Opuntia basilaris var. basilaris * Beavertail Pricklypear Cactus
Origanum dictamnus * Crete Dittany
Origanum Hopley's Purple * Hopley's Purple Oregano
Origanum Kaliteri * Greek Oregano
Origanum rotundifolium Kent Beauty * Kent Beauty Oregano
Ornithogalum fimbrimarginatum
Orthocarpus purpurascens * Purple Owl's Clover
Orthosiphon labiatum * Shell Bush, Pink Sage, Pink Cat's Whiskers
Oscularia deltoides * Pink Iceplant
Osmanthus fragrans * Sweet Olive
Osteospermum Blue Eyed Beauty * Blue Eyed Beauty African Daisy
Osteospermum Bright Lights * Red Freeway Daisy
Osteospermum fruticosum * Freeway Daisy
Osteospermum ecklonis Spider White * Spider White African Daisy
Oxalis oregana * Redwood Sorrel
Oxalis triangularis * Purple Shamrock