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Propagation using softwood cuttings

Hello everyone
I would like to propagate Spiraea Japonica using softwood cuttings. 
I went online to buy some rooting powder and found many people extolling the benefits of Mycorrhizal Fungi. 
My question is this: should I use rooting powder in addition to Mycorrhizal fungi or is it sufficient to use just the Mycorrhizal fungi with softwood cuttings?
Thank you for your time.

Posts

  • steephillsteephill Posts: 2,065
    You need roots for the fungi to interact with so stick to the rooting powder for now. Save the fungi for transplanting once you have a rooted cutting.
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