Mandevilla varieties x M. laxa for improved cold tolerance?

greenfrog(VIC Australia)February 1, 2008


I really love the beautiful flowers of all types of Mandevilla, but unfortunately for me the only one I've found capable of surviving outdoors year round in my climate is Mandevilla laxa. So I was recently wondering if anyone has ever tried crossing this with any of the other varieties with the aim of introducing improved tolerance to cold into the progeny? Is this possible/worth trying or not?

Would like to hear peoples opinions on this, especially if you could explain why it won't/might work out and any ideas that might increase the chances of success.



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mistercross(z6b Ozarks)

I don't know anything about Mandevilla, but it ought to work. First you cross M. laxa with another Mandevilla. Seeds are collected.

The resulting hybrids are grown, and self-pollinated. Seeds are collected.

Now this generation of plants can be tested for cold tolerance. You would want to expose them to enough cold to kill off most, but not all, of the plants.

Hopefully, from these plants you can further develop the cold tolerance and other traits that you want.

    Bookmark   May 31, 2009 at 7:05AM
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does anyone know how to cross pollinate mandevillas?

    Bookmark   November 25, 2014 at 5:21AM
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I love Mandevilla laxa, and faaaaaar more than any other Mandevilla I have ever met.

Is it the only one with scent?

Years ago we had one growing up a brick wall, until Eucalptus nicholii decided to self prune one dark and stormy night. It knocked down the brick wall and the Mandevilla disappeared. And who can blame it? It would have been terrified.

I collected seed from it one year, sowed it, produced a tray full of seedlings which I gave away to a friend who grew plants to sell. I never realised that one day I would lose my precious plant.

And Daniel, I notice you live in Australia! How victorious is that?

    Bookmark   November 29, 2014 at 12:01AM
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Oh, I just realised that your post was rather long ago. Perhaps your Mandevilla has got up and left too.

    Bookmark   November 29, 2014 at 12:03AM
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