Flowers That Start with O

Discover 33 verified flowers starting with O, from Orchid, Oleander, Orange blossom, Ocean spray, Osmanthus, Oxalis and Oriental lily. This A to Z list of flowering plants and garden blooms is organized for floral design, gardening reference, and botanical poetry—browse definitions below or visit our flowers directory.

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Starts with OB2 words
obedient plant
obedience plant
Starts with OC2 words
ocean spray
ochna
Starts with OD1 words
odontoglossum
Starts with OE1 words
oenothera
Starts with OL2 words
oleander
olearia
Starts with OM1 words
omphalodes
Starts with ON1 words
oncidium
Starts with OP3 words
opuntia
ophrys
ophiopogon
Starts with OR11 words
orchid
orange blossom
oriental lily
orchis
origanum
oriental poppy
orchid cactus
ornithogalum
orange coneflower
orontium
orthrosanthus
Starts with OS4 words
osmanthus
oswego tea
osteospermum
ostrowskia
Starts with OU1 words
ourisia
Starts with OX3 words
oxalis
oxeye daisy
oxypetalum
Starts with OZ1 words
ozothamnus
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