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An A to Z of potting mix ingredients, part one
Episode 156
I am joined by fellow houseplant expert Mr Houseplant, aka Vladan Nikolic, to discuss the ingredients that go into your plants' pots, plus I answer a…
6 years, 1 month ago
Episode 155: your listener questions
Episode 155
It's time to answer some listener questions! Distorted Monstera leaves, watering techniques and black pepper plants all come under scrutiny in this Q…
6 years, 1 month ago
The price of rare plants
Episode 154
Prices for so-called unicorn plants have gone sky high as the houseplant trend continues to explode, but this week I am asking: is any plant really w…
6 years, 1 month ago
Claire Ratinon on growing food in small spaces, and racism in horticulture
Episode 153
Organic grower Claire Ratinon joins me to talk about her new book, How To Grow Your Dinner Without Leaving The House and racism in horticulture, and …
6 years, 2 months ago
Leaf botany part three - silicon
Episode 152
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 s…
6 years, 2 months ago
The relaxation episode
Episode 151
Warning, this episode is seriously relaxing! I read from a Victorian book on indoor gardening that should provide the perfect aural backdrop to a chi…
6 years, 2 months ago
Introducing the On The Ledge manifesto
Episode 150
In this milestone 150th episode, I lay out my manifesto for On The Ledge and answer a question about growing tomatoes, plus we meet listener Lydia an…
6 years, 2 months ago
Terrarium tips and National Collections
Episode 149
I find out how you could become the guardian of a major houseplant genus, and answer a listener question about making terrariums.
For full show notes…
6 years, 3 months ago
CAM and guttation explained
Episode 148
Guttation and CAM (aka Crassulacean Acid Metabolism) are central processes for many of our houseplants, but what do they involve? Terrestrial ecolog…
6 years, 3 months ago
Identifying houseplants
Episode 147
If you've ever been flummoxed by a houseplant that came with a label marked simply 'foliage', this episode will help you start to figure out the name…
6 years, 3 months ago