MELBOURNE, June 8, 2025 — Scientists and environmental advocates are sounding the alarm over the Gazania flower, a brightly colored ornamental plant sold in nurseries and major retailers like Bunnings across Australia, after new research revealed its devastating potential to harm native ecosystems and agriculture.
Originally introduced in the mid-20th century, Gazania is now considered highly invasive. A recent study by La Trobe University found that the plant thrives in a wide range of environmental conditions and is already spreading across grasslands, roadsides, dunes, and even grain crops—posing a severe risk to Australia’s biodiversity and agricultural productivity.
“The research shows Gazania can survive under extreme stress conditions, making it a year-round threat in many regions,” said Muhammad Adnan, a PhD researcher at the La Trobe Institute for Sustainable Agriculture and Food. “This makes controlling it far more difficult than previously thought.”
The Invasive Species Council is calling for an urgent nationwide ban on the sale of Gazania. “It’s choking crops, overrunning native landscapes, and costing Australian farmers dearly,” said advocacy manager Imogen Ebsworth. “Over 70% of invasive weeds in Australia began as ornamentals—self-regulation isn’t working.”
Despite being banned in South Australia since 2021, Gazania remains legally sold in other states. Bunnings Warehouse, one of the plant’s largest retailers, stated it follows local biosecurity laws and adjusts its plant offerings based on regional regulations. “We closely monitor regulatory updates and comply with all local laws,” said Bunnings director Cam Rist.
With weed-related damage now costing Australia an estimated $5 billion annually, environmental groups are urging swift regulatory action to prevent further spread of this resilient plant. Experts warn that without coordinated national restrictions, Gazania could become one of the country’s most destructive invasive species.