Episode 235: Mangave
Mangaves are hybrids of two different succulent genera: Agave and Manfreda. Photograph: Jane Perrone.
Transcript
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Dr Colin Walker joins me to talk about Mangave, an intergeneric hybrid that’s relatively new to the succulent scene. Plus I answer a question about spots on an areca palm.
Three autumn 2022 events for your diaries...
On September 17 from 10.30am to 1pm I’m teaming up with Sarah Gerrard-Jones aka The Plant Rescuer to run a plant swap and sale at Fade To Black in St Albans, Herts. More details coming soon!
On October 22 I'm hosting a propagation workshop at the Garden Museum's Houseplant Festival. Join me for a hands-on session at 2pm - you'll end up with some props to take home! Book tickets here.
On November 7, I'm taking part in a panel discussion on houseplants at the British Library, along with James Wong, Carlos Magdalena and Mike Maunder. Indoor Jungles: The Story of the Houseplant starts at 7pm, and livestream and in person tickets can be booked here.
xMangave ‘Gonzaloi’. Photograph: Dr Colin Walker.
This week’s guest
Dr Colin Walker is the former president of the British Cactus and Succulent Society and has been growing cacti and succulents for 50-plus years..
Colin is retired now but he was a biologist at the Open University with research interest in cacti and succulents particularly in terms of biodiversity (here's his OU profile).
His book Aloes: The Definitive Guide, written with three other authors, was co-published in 2011 with Kew Gardens and the BCSS.
If you'd like to find out more about the BCSS, visit their website, Facebook page and Instagram account. Why not join and you'll have access to lots of expert advice, cheap seeds through their annual seed scheme and much much more?
You can hear Dr Colin Walker talking about Aloes and Agaves in On The Ledge episode 59 and Sansevieria in episode 187.
Mangave ‘Blood Spot’ in flower. Photoggraph: Dr Colin Walker.
Check out these notes as you listen…
Mangave (botanically speaking xMangave, a name awarded in 2010) are bigeneric hybrids between two different genera of succulents from the Americas: Agave and Manfreda.
There’s a video about the development of Mangave here. The madaboutmangave.com website is also full of useful info about these plants.
One advantage of Mangave is they grow faster than their parent genera: that also means they flower at a smaller size. They are intermediate in size between Agave and Manfreda.
Mangaves are monocarpic - they die after flowering. They sometimes produce ‘pups’ around the rosette which can be separated out to make new plants.
Mangave are suitable for growing indoors, in a conservatory or in a greenhouse, provided they get enough light - and lots of it! In winter, they can take low temperatures but will not tolerate frosts.
Popular cultivars include ‘Bloodspot’ ‘Macho Mocha’, ‘Blazing Saddles’ and ‘Silver Fox’: see below for images of some of these. Photographs are all copyright Dr Colin Walker.
Mangave plants are subject to plant breeders’ rights, which means you cannot sell any plants you propagate.
Dutch nurseries are starting to grow Mangaves as well as the American growers where they originated.
QUESTION OF THE WEEK
Anikó was concerned about brown spots on the stem of an Areca lutescens, the bamboo palm. I consulted Dr Scott Zona who confirmed that these marks are completely normal. Scott writes: Those "spots" are the chaffy or scaly hairs that occur normally on the plant. They are not pests; they're just the normal indumentum of the palm. The scaly hairs occur naturally on the petioles and leafbases, but not on the stem. Young plants offered in nursery rarely are big enough to have a visible stem. They are all leafbases (as in the photo), so your listener is finding lots of "pests." Palms in a botanical garden are probably big enough to have trunks, on which there are no brown hairs.
Want to ask me a question? Email ontheledgepodcast@gmail.com. The more information you can include, the better - pictures of your plant, details of your location and how long you have had the plant are always useful to help solve your issue
THIS WEEK’S SPONSOR
Thanks to True Leaf Market for sponsoring this week’s show. Download their free cover crop guide here. Get 15% off cover crop seeds at trueleafmarket.com with promo code OTL15. This discount is only available for cover crop seed products. Offer expires end of December 2022. Limit one use per customer.
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CREDITS
This week's show featured the tracks Roll Jordan Roll by the Joy Drops, The Road We Use To Travel When We Were Kids by Komiku and Namaste by Jason Shaw. The ad music is Dill Pickles by the Heftone Banjo Orchestra.