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Rooting T canadensis witch's broom (1 Replies)

Posted September 16, 2017 at 12:56 pm

I am trying to propagate a very unusual Tc hemlock WB which has proven reluctant to produce roots (1/160 to date). But I have noticed that some of the surviving cuttings – now about 8 months old – are forming large calluses on the stems. I have never noticed this before on my earlier, more successful rooting experiences with hemlock brooms. But I am wondering if these could be used to stimulate root growth. Any suggestions on how to stimulate root growth on these cuttings?

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Here is the original broom:

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Posted September 18, 2017 at 10:18 am

Hello Patrick … That’s an amazing tight broom you’ve found there. I wish I could offer you help on how to get it propagated, but honestly, Tsuga propagation has always been a mystery to me. I wish you luck, because I wouldn’t mind seeing a plant like this in my conifer collection.

Maybe reach out to one of the growers who does a lot of work with cuttings. Nelis Kools in the The Netherlands is probably the best on earth. Leo Gambardella in Oregon is also a genius, but I have no idea how to contact him. Larry Stanley is also pretty awesome with rooting cuttings.

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