Sunset®: 8,9,13-24
USDA: 9-11
Frost Tolerance: Avoid any frost
Sun Exposure: Part to full sun
Origin: Tropical Americas, has invaded many water ways around the world and has become a serious pest.
Growth Habits: Floating plant with balloon-like inflated petioles; feathery roots.
Propagation: Division
This plant is a major pest in many tropical areas. Here in Phoenix, it is not a problem, but still it should never be released in the wild.
It is very resistant to heat, but needs enough direct sun and doesn't tolerate frost. In winter it dies faster from the lack of sun than of frost, so in zone 9 or higher, it is better to let it outside with some protection for the coldest nights
Blooming Habits:
Large showy violet flowers.
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