Episode 152: leaf botany part three - silicon

This week I find out what silicon does for plants, answer a couple of questions about brown spots on leaves, and we hear from listener MV. For full show notes visit  https://www.janeperrone.com/on-the-ledge/2020/8/21/episode-152-leaf-botany-part-three-silicon Sign up for The Plant Ledger, my email newsletter about the UK houseplant scene: https://www.janeperrone.com/ledger Check out Legends of the Leaf, my book on houseplants http://legendsoftheleafbook.com Support On The Ledge on Patreon: https://www.patreon.com/ontheledge Follow Jane Perrone on Instagram: https://www.instagram.com/j.l.perrone Join the Houseplant Fans of On The Ledge group on Facebook: https://www.facebook.com/groups/house... Join in #HouseplantHour on Twitter every Tuesday 9pm UK time (4pm ET): https://twitter.com/houseplanthour