I have lost count of how many Chilean guavas I’ve killed. I feel somewhat better knowing I’m not the only one struggling with them. 
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They just want to die it seems. For me the key seems to be somewhat sheltered spot with shade. It’s too early to call but I have one absolutely thriving between the greenhouse and fence. Two limping along and one more likely to die. I’m determined to at least taste a fully ripened fruit before I give up. Hope it will be worth the effort
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80 ft evergreen in my backyard its older then me and i bought this house in 1999 it was 70+ ft tall but the reason i hate it is it blocks out some of the sun for my greenhouse . yet keeps shade over my chicken coop. so its a love hate relationship i need to prune down some branches soon so ?
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Eucalyptus. Here in CA they are non-native but crowd out all the coastal cypress trees.
They ruin the soil with stink, drop leaves 24/365 and fall very hard in wind storms.
Thankfully I’ve moved away from them. I loath them.
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i started reading more of the posts here and Noticed NO ONE said poison Ivy or Poison oak LOL … im immune to it…
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Those are trees are they? Here it is just a poison ivy plant that climbs the trees.
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Yep, This is another one of those tree that grow all through winter even in the cool PNW and have been sucking my soil dry and starving the rest of my trees. My 7 year old Eucalyptus is already 35 feet tall. It will be zero feet tall after the arborist is done.
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The Western species can form shrubs in good conditions, but it usually grows as a vine. In the east, poison sumac is a shrub or small tree, but it’s much less common than poison ivy and mostly grows in swamps. There are two Asian species that are full sized trees. One of those is actually the origin of lacquer. That same nasty, toxic, sticky oil in poison ivy is what traditional lacquer is made from, harvested from the Asian tree forming relative of poison ivy.
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we have poison ivy growing up an Old wooden fence post the post rotted away and the Ivy stayed in a tree like form . Poison oak is a tree or a bush. so im not sure how they are actually classified but i do know when i got kicked off a baseball team because my dad yelled out thats my Daughter … i pitched the ball down a bank full of both . i was 7 and the guys made enough fun of me for being a girl that could pitch and hit . the other team said they where not going to play a girl because if i was on base they didnt want to tackle me .
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I have a few seedlings, and one named, in pots. I want them in the ground but first i need to see how well they handle the cold(7a). They did pretty well the first year but i checked on them the other day and they are looking pretty haggered. Hopefully they recover when the warmth returns.
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I make my wife handle it. All of the “poisons” and Virginia creeper. If i look at them wrong i take on the texture of an itchy pickle. Shame too, creeper looks fantastic in the fall with the scarlet leaves and blue berries.
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Damn I have both lapins and Mt Royal planted two years ago, hope that’s not the case here too!
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Tree of heaven is making a slow but sure encroach into my area and not only that, a sapling made the mistake of setting a base in MY backyard. I pulled it again again and think I’ve won (it was very young) but feel traumatized!
I’m shocked no ones mentioned alianthus yet. I’ve been seeing more patches establish them around my greater neighborhood, I’m honest to god considering going and treating them myself by hacking and spraying.
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Once spotted laternfly finishes getting established, tree of heaven will probably get a bit more easy to manage, since they preferentially feed on it. Granted, then you’ll have spotted laternfly, but it sounds like once the local predators learn to recognize them, they become somewhat controlled. Still a major pest, but not nearly as sever as the first few years they arrive.
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I poisoned all of the tree of heaven on my property. It was the only way to get rid of it. Cut it down and it will send runners up everywhere!
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That’s my exact fear!
What did you use to kill yours?
I got lucky the sapling in my yard just a puny stick. Even that required vigilance and multiple pulls at different areas to extinguish due to regrowth >:(
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I see why! Those are perhaps the dumbest laziest bugs I’ve ever seen. I wonder if they bottlenecked genetically (technically founder effect) after introduction and became inbred. I still hate to see them but I’m happy to hear the native animals got wise and make them snacks lol, they’re easy pickings.
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I pull out hated trees. I can’t afford the real estate for loafers or trees I don’t like.
Got rid of…
Reliance peach - didn’t like the few peaches it produced.
Mulberry - it grew too big.
All my plums - Had lots of plums, but they all got black knot.
Donut peach - required too much thinning.
Some apricots - seldom got crops and replaced with peaches. Very Happy!
Euro pear - seldom produced.
If I had lots of land I would not care, but the tree has to produce, or it is out of here. I’m not into landscaping trees.
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What little I’ve heard on this topic suggested that it might also be a somewhat regional and seasonal thing. Earlier in the season being worse since there are fewer predators, and further up north being worse for the same reason.
Regardless, spotted laternfly hasn’t made it to my area yet, so I’m hoping we hold out for a good long while yet. We also just don’t really have any tree of heaven around here, which should also help (tons of tree of heaven in the Piedmont, but it basically disappears the moment you cross the fall line. My guess is in our climate it doesn’t like the sandy soil).
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