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Cuttings

Evening all 
What do you use for potting up cuttings? I bought some seed & cuttings compost today which i've used in the past but I just watched a little clip on YouTube about taking Penstemon cuttings and the lady used vermiculite in with her compost, is this absolutely necessary? Just trying not to spend too much and I noticed today that a small bag of vermiculite is £9 at the garden centre so if I can get away without it that'd be great but if its a must have i'll pop and get some tomorrow.
Also what am I doing with cuttings once they've rooted- I mean how do I protect them all over winter? I don't have a greenhouse or coldframe so am worried they'll just die
Lastly, what cuttings are you all taking now if any? Can I take cuttings from Delphiniums
Thanks kindly



What do you use for potting up cuttings? I bought some seed & cuttings compost today which i've used in the past but I just watched a little clip on YouTube about taking Penstemon cuttings and the lady used vermiculite in with her compost, is this absolutely necessary? Just trying not to spend too much and I noticed today that a small bag of vermiculite is £9 at the garden centre so if I can get away without it that'd be great but if its a must have i'll pop and get some tomorrow.
Also what am I doing with cuttings once they've rooted- I mean how do I protect them all over winter? I don't have a greenhouse or coldframe so am worried they'll just die

Lastly, what cuttings are you all taking now if any? Can I take cuttings from Delphiniums

Thanks kindly




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i over winter some tender plants on my kitchen windowsills.
i notice you are in Surrey so winters can still be quite mild and I would risk geraniums in them over winter.
i grew up in Surrey and still go back quite often to visit my brother and always found the winters quite mild.
I don’t do delphinium cuttings, just grow fresh from seeds but I take Salvia cuttings. All in MPC with a bit of vermiculite added.
Ive got a Wilco grow house, the wide one, you can get spare covers for them. As long as you fix them to a wall they do tend to run away on a windy day😀
I've read that Lavender can be done, I tried last year and had no joy whatsoever
!!
When you do your cuttings in a glass of water do you fill it up all the way? Do you just leave it on a windowsill? How long does it take to root? Do you cover the glass at all? Thanks dal