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Old 06-18-2019, 09:42 AM   #31
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Re: plants you wish you hadn't planted, or let grow


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Herbicides registered for control of the two weeds are available. An extensive area of horsetail infestation might be brought under control using triclopyr. This can be found in two products labeled for emerged horsetail control, Brush-B-Gon and Crossbow.
source: http://community.seattletimes.nwsour...7&slug=1496084


I have yet to find anything that Crossbow can't kill.
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Old 06-18-2019, 09:47 AM   #32
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Re: plants you wish you hadn't planted, or let grow


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I've not found glyphosate (Roundup, Kleenup, etc.) to work on HT at all.
One reason Horsetail is so hard to kill is that the roots go very deep, as much as 30' in sandy soil. You can get rid of the stuff but any method you use will take at least 3 years but may take as long as 5.
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Old 06-18-2019, 11:45 AM   #33
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Re: plants you wish you hadn't planted, or let grow


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Originally Posted by Colbyt View Post
source: http://community.seattletimes.nwsour...7&slug=1496084


I have yet to find anything that Crossbow can't kill.
Guess Brush B Gon is worth a try. Crossbow is just 2-4-D, which kills dandelions, but not things like grass, at least not that I've tried.

Brush B Gon is trychofyr, a different chemical. Good for hardwood stumps!
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Old 06-19-2019, 12:51 PM   #34
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Re: plants you wish you hadn't planted, or let grow


I've heard some bad stories about bamboo but I haven't planted it myself. Certain varieties will spread via the root system.
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Old 06-19-2019, 02:20 PM   #35
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Re: plants you wish you hadn't planted, or let grow


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I've heard some bad stories about bamboo but I haven't planted it myself. Certain varieties will spread via the root system.
We have a lot of bamboo out here but there's some kinds that will also grow in a cold climate.

There's two general types: clumping and running. Both spread, but clumping spreads in a gentlemanly or ladylike fashion; with plenty of warning as to where it will go, and time to curb it, in genteel fashion. Running bamboo, on the other hand, comes thundering in like the Huns, popping up all over the place. Which can be great if you like bamboo shoots to eat. LOTS of bamboo shoots to eat . . . . (Watch out for cyanide! Prepare ahead!)

Barriers can control them, but I'd have my doubts about "Giant Timber Bamboo" and some of the mega sized ones.
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Old 06-19-2019, 06:13 PM   #36
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Re: plants you wish you hadn't planted, or let grow


Kudzu. That stuff will snatch your children.
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Old 06-19-2019, 08:24 PM   #37
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Re: plants you wish you hadn't planted, or let grow


Are you saying they painted undiluted Roundup on the honeysuckle and it killed it outright?

If that's the case I wish I'd known about it long ago. I fought honeysuckle at our first house for 20 years and only succeeded in slowing it down for a while. I sprayed Roundup in the usual way countless times.
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Old 06-19-2019, 08:32 PM   #38
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Re: plants you wish you hadn't planted, or let grow


Himalayan Blackberry in an invasive that's just about impossible to kill. Left alone it'll grow into an impenetrable thicket six feet tall or more. The thorns are mean as hell on top of it.

The berries do make a good pie though.

https://www.kingcounty.gov/services/...lackberry.aspx
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Old 06-20-2019, 12:17 AM   #39
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Re: plants you wish you hadn't planted, or let grow


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I've heard some bad stories about bamboo but I haven't planted it myself. Certain varieties will spread via the root system.
My neighbor planted bamboo about 10 years ago. Now all of the neighbors that have property adjoining him have bamboo, too. In the summer, you can almost watch it grow like kudzu.
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Old 06-20-2019, 01:35 PM   #40
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Re: plants you wish you hadn't planted, or let grow


TREES.



We had some red cedar bushes in front of the house, and I transplanted them to the side lot line. There were some cute blue spruce christmas tree-size hedges and some saplings. Great for a snow fence.



That was in 1974. The cedars are 40 feet high, the spruces higher than that and very skinny. Now I will have to pay thousands to have them all taken down.
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Old 06-20-2019, 01:43 PM   #41
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Re: plants you wish you hadn't planted, or let grow


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TREES.



We had some red cedar bushes in front of the house, and I transplanted them to the side lot line. There were some cute blue spruce christmas tree-size hedges and some saplings. Great for a snow fence.



That was in 1974. The cedars are 40 feet high, the spruces higher than that and very skinny. Now I will have to pay thousands to have them all taken down.
Ouch!

Where are you located, just out of curiosity?

I remember when we sold blue spruces as a novelty item in lowland southern California. Nothing at all like yours!
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Old 06-20-2019, 02:57 PM   #42
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Re: plants you wish you hadn't planted, or let grow


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Ouch!

Where are you located, just out of curiosity?

I remember when we sold blue spruces as a novelty item in lowland southern California. Nothing at all like yours!

Upstate NY, zone 5, heavy clay soil. Currently soggy, might build an ark.
Moral of the story: think ahead to how tall those trees can get, and what they will hit when a storm brings them down. I am replacing them with hazelnut bushes.
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Old 06-20-2019, 03:05 PM   #43
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Re: plants you wish you hadn't planted, or let grow


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Upstate NY, zone 5, heavy clay soil. Currently soggy, might build an ark.
Moral of the story: think ahead to how tall those trees can get, and what they will hit when a storm brings them down. I am replacing them with hazelnut bushes.
I also have heavy clay, though I'll take all the water I can get.

I had a palm fall on my place on Super Bowl Sunday Eve this year. Bad Pizza, as my late dad would have said.

https://www.diychatroom.com/f16/less...m-tree-652919/
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Old 06-20-2019, 10:55 PM   #44
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Re: plants you wish you hadn't planted, or let grow


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Bishops Weed
I transplanted some from a friends house and was fine for a couple of years but then it escaped and tried to take over the yard. I think it's ok in harsh winter climates where it doesn't spread so fast but where I lived on the west coast, it took lots of chemicals to finally get rid of it.
Is this the same as 'Snow On The Mountain'?
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Old 06-20-2019, 11:10 PM   #45
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Re: plants you wish you hadn't planted, or let grow


I mistakenly transplanted some Spiderwort (Spiderwart?) in my back yard about 20 years ago. Just one plant from the front yard to the back yard and 1 or 2 plants I bought from the garden center at Wally Mart. This many years later, it has spread all over the place and I can't get rid of it.


Last year I found pokeweed in the back yard and on the other side of my fence, in my neighbors yard. We dug up the small plants. With the larger plants, I cut them down to about 6" above ground and poured undiluted Roundup down into the stem. It killed them, but there are more of them growing in other parts of the yard this year.
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