A flowering shrub sold as 'sweet pea' or 'parrot bush' is spreading fast along Australia's south-eastern coast. The Invasive Species Council has named Polygala myrtifolia as one of the nation's most significant weeds.
Why it mattersThousands of shoppers buy and plant this species without knowing it causes real ecological harm. Retailers face no rules against selling it.
AustraliaAustralians gardening with polygala are inadvertently spreading an invasive species that threatens native plants along the entire south-eastern coast, from Tasmania to Queensland.
✓ Claims checked against the source. checked 2 h ago
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