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I have a wisteria plant that I would like to train into long, horizontal branches. It's growing against a cinder block wall. I tried screwing some masonry screws into it, but those just ground a hole in the wall that was too big for the screw to then grab anything.

How can I attach things to cinder block walls? Do I need to use some kind of epoxy instead of screws? And then what kind of anchor/device should I then attach that will be good for supporting the wisteria branches?

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NeutronStar
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    you can glue (2-part epoxy, jbweld, gorilla glue, etc) the masonry screw into the holes you made. Gorrila glue would be a good fit as it foams and expands while curing, locking it into place against the odd-shaped hole and post. – dandavis Jan 22 '23 at 10:38
  • Suggestion: Before you apply any method, get yourself a single block of the same type and try it on that block. If it destroys that block you don't want to use it on the wall. – Boba Fit Jan 30 '23 at 15:52

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Get plastic inserts at any hardware store. Drill a hole ,push in insert, thread in screw. The inset package will specify drill and screw sizes. I strongly recommend drilling holes in the mortor.

blacksmith37
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Wisteria is usually a strong climber and can easily put a lot of weight on a support.

There are at least two ways to do this:

  • buy or build a trellis. Be sure it's installed firmly in the ground. You could pound 6' T Bars into the ground and attach the trellis to that or pour concrete into a post hole and attach the feet of the trellis to that.
  • use a product like this but you end up drilling holes in your cinder block for the attachment points
kevinskio
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