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Air layer spruce question

Posted: September 9th, 2020, 1:57 pm
by Rare plant Pat
Has anyone successfully air layered a spruce? I have a nice white spruce that I would like to take a few good layers off, but haven't been able to find any info on chances of success.

Re: Air layer spruce question

Posted: September 10th, 2020, 10:17 pm
by treeman
Yes they layer quite well. Use the wire tourniquet method with sphag moss.

Re: Air layer spruce question

Posted: September 12th, 2020, 11:35 am
by Rare plant Pat
Thanks Mike,

for the tourniquet how deep would you let the wire cut in? So the wire is level with the surface of the bark? What's your experience of how long they take to put out roots?

Re: Air layer spruce question

Posted: September 12th, 2020, 6:23 pm
by treeman
Rare plant Pat wrote: September 12th, 2020, 11:35 am Thanks Mike,

for the tourniquet how deep would you let the wire cut in? So the wire is level with the surface of the bark? What's your experience of how long they take to put out roots?
No not that deep. Until about half the wire is embedded into the stem.
Depends on the age and vigor of the tree but you should have something by the end of summer if all goes to plan.
Layering at a site with mature bark is problematic. Also if you choose a place where there multiple branches coming from the same point, it will be easier to root.

Re: Air layer spruce question

Posted: September 12th, 2020, 6:28 pm
by Rare plant Pat
Thanks,

it's a spruce, so I should have lots of whorl sites. I'll get something on this weekend.