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How to grow on semi-ripe cuttings after removing the plastic bag?

In the past, when I've grown cuttings under a plastic bag, they often do well to begin with, but don't survive when I remove the bag. Can you keep them 'bagged' for several months? I have great success with lavender and box, grown without any bags, so I'm thinking of trying more varieties of cuttings that way, but I don't know if they'll work: I've got some hebes, cistus and potentillas which I'm deliberating over at the moment. What advice do you have? I've seen suggestions that I could try them in the greenhouse, but wouldn't that be too dry?

Posts

  • LynLyn Posts: 23,190
    You can wean them off the bag gradually, take it off for the night when it’s cooler and damp, put it back when they show signs of wilting, but as you said, you can grow from cuttings with no bag, I rarely use a bag although I do recommend it to newbies.  I always keep a spray bottle of water handy so when  they droop you can give them a nice spraying. 
    Gardening on the wild, windy west side of Dartmoor. 

  • For hebes, cistus, and potentillas, it's worth experimenting without the bags, as different plants have different requirements.

  • I use small square pots for cuttings and stand them in a plastic gravel tray with a clear lid. You can then open the vent to allow gradual acclimatisation.
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