Mark and Dan compare soils, native gardens and how to get the best mulch.

03:48 Why your irises are refusing to flower.

05:43 Are you overwatering your kangaroo paws? 

13:50 Tips on how to propagate lavender. 

Dan Austin, horticulture lecturer and author is filling in for Sabrina Hahn.

Listen to the program live on Saturdays at 9:00AM on ABC Radio Perth and ask your questions by calling in on 1300 222 720 or text 0437 922 720

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