I delve into the history of On The Ledge and explain how it all began, as well as how I put the show together today, plus we meet listener Armando, host of podcast The Plant Nook, and I answer a question about houseplant wholesalers.
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Crotons (Codiaeum variegatum) have a bit of a reputation or dropping leaves - I suggest some ways of keeping yours fully clothed this winter; plus I answer a question about a Thanksgiving cactus and we meet listener Carol.
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I learn about the science of tissue culture and what it means for the houseplant industry with the help of Chris Reynolds, founder of tissue culture lab Seedless Labs. Plus I answer a question about an ivy and a Dracaena called Norman, and we hear from listener Karl.
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Professor Nox Makunga of Stellenbosch University in South Africa joins me to explain the pigments that give houseplant leaves their colours, I answer a question about a ‘Silver Ripple’ Peperomia and we hear from listener Mia.
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Illustrator Katie Vaz talks to me about her new book My Life in Plants and I answer a question about plants for a south-facing window.
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It’s the final part of my run-through of the various things you can use to make up your houseplant potting mixes, including perlite and vermiculite; plus I answer a question about a mixed planter.
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