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Clematis cuttings

in Plants
I'm planning to try some clematis cuttings and I know there's lots of experience on here, so rather than just hoping for the best I thought I'd pick some brains ...
Where's the best place to put them to root?
Options are:
- Shady windowsill indoors
- Mini-wooden greenhouse against east-facing house wall - doors and top open most of the time.
- Shady northfacing corner outside
Is a plastic bag over the top secured by rubber band a good idea, or a plastic cover or what do you find best?
Any tips?
I'm planning to use 50/50 cuttings compost and horticultural grit.
Thanks
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
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For me dove all I do is pop them in a shady corner. I don't use a plastic bag, but others do, I just make sure they're warm and moist all the time. It doesn't answer your question directly but of the three options I'd go with the mini GH.
Thanks Dave - so if I put them on the stone floor of the mini greenhouse they'll be shady but fairly warm - fantastic
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
That's exactly what I did, Edd - must have found the same website! But they were too hot in the greenhouse and are now sad, dry brown crisps.
I have most success using bottom heat with the cuttings in a similar mix, Dove. Covered by a plastic bag and placed in a position with no significant amount of direct sun. A good use of a heated propagator tray at a time when those are normally put away until next January.
I took 5 lots of cuttings this spring and only one has succeeded but it was a bit early so I'm not despondent. I shall have a go at giving bottom heat in shade and try some new cuttings in a few weeks as I have some favourites I want to share and it's so satisfying when cuttings do take.
I had around 30% success rate last year, I'm happy with that being that I am no expert
I don't have a heated propagator - they'll just have to manage without - cross your fingers folks!
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.