Cultivation
Plant in deep, moist soil in full sun. Since it is invasive, P. australis is best grown in lake or waterside plantings with ample space. If space is limited, grow in containers sunk in water to restrict growth.
Suggested uses
Containers/Patio, Wildflower, Wildlife, Waterside, Bog garden, Aquatic
UK hardiness
H7
USDA zones
Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
Sunset zone
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
WUCOLS
North-Central Coastal = Moderate/Medium
Central Valley = Unknown
South Coastal = Moderate/Medium
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown
Foliage
Deciduous
Habit
Upright, Spreading, Clump-forming
Native to
Temperate regions worldwide, Tropical regions worldwide
Drought tolerant
No
Flood tolerant
Yes
Toxicity
Not toxic