On Sunday 14 September, John Arnott - Horticulturist, was joined by Chloe Foster - Horticulture educator and author; Russell Larke - Head Gardener of Test Garden, MAPCo; and Tim Uebergang - Team Leader Horticulture & Cycad Curator, Melbourne Gardens RBGV.

Text your gardening questions to 0488 809 855, or call 9419 0155 while we're on the air.

Tune in 7:30 - 9:15am Sundays on 855 on the AM dial, 3CR Digital or stream at 3cr.org.au