On Sunday 11 May, Virginia Heywood - Guide, Royal Botanic Gardens Melbourne, was joined by Emmaline Bowman - STEM Landscape Architecture & Design; Ben Brooker - Treasured Perennials nursery; and Clancy Lester - Native Bee Nerd & Environmental Educator.

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