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{{SPlantbox
{{SPlantbox
|familia=Asclepiadaceae
|familia=Asclepiadaceae
|genus=Tweedia
|genus=Tweedia
|species=caerulea
|species=caerulea
|Max ht box=36
|Max ht box=36
|Max wd metric=in
|Max wd metric=in
|width_ref=Flora - A Gardener's Encyclopedia
|width_ref=Flora - A Gardener's Encyclopedia
|lifespan=perennial
|life_ref=Wikipedia
|exposure=sun
|exposure=sun
|sun_ref=Flora - A Gardener's Encyclopedia
|sun_ref=Flora - A Gardener's Encyclopedia
|features=flowers
|water=dry
|water_ref=Wikipedia
|features=flowers, cut flowers
|flower_season=early summer, mid summer, late summer
|flower_season=early summer, mid summer, late summer
|flower_ref=Flora - A Gardener's Encyclopedia
|flower_ref=Flora - A Gardener's Encyclopedia
|usda_ref=Flora - A Gardener's Encyclopedia
|usda_ref=Flora - A Gardener's Encyclopedia
|max_zone=12
|max_zone=12
|image=Upload.png
|image=Oxypetalum caeruleum0.jpg
|image_width=240
|image_width=240
|image_caption=''[[Tweedia caerulea]]'', flowers
}}
}}
'''Tweedia''' (syn ''Oxypetalum'') is a [[genus]] of one species of straggling [[Perennial plant|perennial]] grown for its clear pale blue, star shaped flowers, which are long lasting and cut well. ''Tweedia caerulea'' (syn. ''Oxypetalum caeruleum'') is a [[perennial plant]] to 3ft with heart shaped, gray-green, downy [[leaves]]. The summer [[flowers]] age to purple and are followed by 6in long, boat shaped seed pods.The seeds have downy parachute like tufts ([[cipsela]]).
==Cultivation==
==Cultivation==
''Tweedia'' require full sun in a well-drained soil that is dry. It is slightly [[frost]] [[hardy]] but requires little maintenance.<ref>Botanica's Organic Gardening, Random House Publishing, Sydney, 2002, ISBN 1 74051 426 2</ref>
===Propagation===
===Propagation===
[[Propagation]] is via seed.<ref>Botanica's Organic Gardening, Random House Publishing, Sydney, 2002, ISBN 1 74051 426 2</ref>
===Pests and diseases===
===Pests and diseases===
==Varieties==
==Varieties==
*''T.c.'' '''Alba''' has white flowers.
*''T.c.'' '''Rosea''' has pink flowers.
==Gallery==
==Gallery==
