General Category > Fruiting and Flowering Bonsai Discussion

Monster Porcelain Berry

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coh:
Very much looking forward to seeing this in a future National Exhibition!

Interesting that you found borers. I've been having a major problem with them the last couple of years. They killed back the top of a styrax, a couple of mimosa (albizia), a magnolia, and a trident this spring (all in the ground, so far no problems with potted trees).  Some kind of very small black/brown beetle, they bore tiny holes into the trunks in early spring, infect the plant with a fungus, and the young grubs live off the fungus. There are many similar beetles so I'm not sure if these are shot hole borers, granulate ambrosia beetles, or something else. In any case, they can be very destructive. I hope you burned the branches that had them inside, though most likely the beetles are already in your area.

Chris

Owen Reich:
Not sure what mine are.  They likely found the  cut stumps  last Fall.  We have Camphor Shot Borer and a slew of others.  Permethrin trunk sprays a few times from February to April seem to work best.

augustine:
Owen,

this is super material.

I have 2 much smaller porcelainberrys, the cultivated, variegated type. They grow significantly faster in partial shade rather than full sun. (The naturalized plants thrive in full sun.)

I also had a collected plant. The foliage kept getting some type of fungus which would not go away even with daconil. Got rid of it but will try again if I find a good trunk.

Best regards,

Ray
Baltimore Bonsai Club

coh:

--- Quote from: Owen Reich on June 01, 2015, 09:52 AM ---Not sure what mine are.  They likely found the  cut stumps  last Fall.  We have Camphor Shot Borer and a slew of others.  Permethrin trunk sprays a few times from February to April seem to work best.

--- End quote ---

Could be (they found it after the chop). I never noticed  borers on the plant when it was here, but I did notice that there was a lot of dead stuff in the top every spring. Always just figured it was winter kill, though perhaps it was a combination of borers and cold.

I've already sprayed my trees once this spring with a pyrethroid, not sure if it was permethrin or bifenthrin but I've read that both can be effective. Just have to keep after it.

Chris

John Kirby:
We had a monster on a fence in NW Arkansas, grew extrenely well there.

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