Should you be allowed to buy an invasive weed at a nursery and plant it in your backyard?There are increasing calls for some plants to be pulled from nursery shelves and one in particular is drawing a lot of attention.The gazania you've probably seen it on roadsides and in parks with its bright daisy-like flowers.Well recent research shows the species pose a greater threat to the environment and agriculture sector than previously thought and advocates want them to stop being sold. Guest: Millie Ross, ABC Gardening AustraliaProducer: Eddy Diamond 

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