"It's the number one threat to biodiversity in our reserves," Mr Taylor said. The ACT spends about $2.1 million a year managing invasive plants.
WEEDS WITH PURPLE FLOWERS SKIN
Other weeds are highly poisonous or can cause skin irritation. Some of the nastier purple weeds can intertwine with your lawn making it impossible to remove. A common characteristic of weeds with purple flowers on your lawn is that they tend to creep onto weakened turf. It is a huge headache for rangers, particularly in areas that have been burnt by bushfire, like in the Namadgi National Park. A Closer Look at Lawn Weeds with Purple Flowers. "Because there are no natural enemies keeping them in check, they can grow quicker and then smother the beneficial plants and the native plants." "Invasive plants are high risk weeds and can take advantage of the return of the rain much quicker than the native plants can, so they get a competitive advantage," he said.
This year, Canberra's wet winter and start to spring has given it a chance to wake back up.ĪCT Parks Invasive Plant Coordinator Steve Taylor said the spread had not been this bad in many years. They both belong to the mint family, have square stems, have an ascending growth habit, opposite leaves, purple/pink flowers, and are winter annuals. Paterson's Curse travelled from Europe to Australia and has thrived here, as it has no natural enemies in the Australian landscape.Īlso known as Salvation Jane, Riverina bluebell and Echium plantagineum, the plant can remain dormant underground, which means land owners might not even know they are harbouring it. These weeds often get confused because they look similar. Paterson's Curse flowers are pretty to look at - but the plant can spell doom for native flora.
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