On The Ledge | Grow houseplants with the experts

Jul 03, 2026 — This episode is a gem from the On The Ledge archive, first published in 2021. Aroid expert Peter Boyce joins me to discuss the newly-formed European Aroid Society, exciting new developments in the world of aroids and why you should never cut the roots...

Jun 26, 2026 — I'm taking a break until July 17 but while I am gone, I am bringing you three gems from the On The Ledge archive. The first is episode 71, first published way back in 2018, all about some of the odder houseplants in existence. Dr Chris Thorogood is a...

Jun 19, 2026 — Join Emily Hazell, the curator of the Chelsea Physic Garden, as she guides us through the rich history and diverse plant collections of this historic London garden, including the tropical corridor, pelargonium house and the carnivorous plant...

Jun 12, 2026 — If your plants are going through a rough patch, propagation can give them a new lease of life. Houseplant expert and hybridiser Lindsay Sisti (@alltheplantbabies) talks me through her plant renovation tips. This week's guest Lindsay runs a home-based...

Jun 05, 2026 — Explore the fascinating world of tropical plant breeding through the expert lens of Dr. Jeff Block, an anaesthesiologist and passionate anthurium breeder. Find out why slow pokes get the heave-ho in the breeding process, why naming a plant after your...