Botanical names: Oxypetalum coeruleum, Tweedia caerulea
Common names: Tweedia, Blue Milkweed, Southern Star
Family: Apocynaceae
Origin: South America
USDA Plant Hardiness Zone Map
True-blue flowers are rare and these aquamarine gems will sparkle in the garden. The cultivar 'Alba' has white flowers, while 'Rosea' has pink flowers.
Only reliably hardy in the mildest of gardens, so grow as an annual or a conservatory perennial. Evergreen when kept above 5°C.
Similar plants: Oxypetalum coeruleum (Tweedia)
Oxypetalum coeruleum 'Alba'
Oxypetalum coeruleum 'Alba'
Link to this plant:
https://toptropicals.com/catalog/uid/oxypetalum_coeruleum.htm