I talk to bryologist Dr Neil Bell about the wonders of moss, and answer a question about TDS meters. For full show notes, visit https://www.janeperrone.com/on-the-ledge/moss Sign up for The Plant Ledger, my email newsletter about the 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