Need Help Ridding of Aggressive Plant
#1
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Join Date: Nov 2006
Location: Central PA
Posts: 1,920
Need Help Ridding of Aggressive Plant
I have several "four c'clock" plants in my yard. The former owner allowed too many of them to get established. I have dug up several and have found rizomes bigger than a sweet potato. Several of these plants are tight against the house, the concrete paver holding the propane tank, one is behing this paver, etc, etc. I have cut back hard and used 100% vinegar, even a dose of chlorox. All this to ask for a "killer" that is natural, non-toxic.
Any ideas? Thanks.
Any ideas? Thanks.
#2
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Join Date: Dec 2008
Location: Western Wisconsin
Posts: 12,930
This thread might be useful, especially the last post:
http://forums.gardenweb.com/discussi...f-four-oclocks
http://forums.gardenweb.com/discussi...f-four-oclocks
#3
Senior Member
Join Date: Jun 2017
Posts: 622
Boiling water is what I use a lot. Yes, it kills all that it comes in contact with, but it works (100%).
DO NOT apply the water around any trees or shrubs and things, but by the sounds of it the plants that you are after have established themselves in an area where nothing else is present.
DO NOT apply the water around any trees or shrubs and things, but by the sounds of it the plants that you are after have established themselves in an area where nothing else is present.
#4
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Join Date: Nov 2006
Location: Central PA
Posts: 1,920
Thanks for the two replies. I read the article on what others have tried successfully and have pretty much kept a close eye on new shoots. Owing to their location, I plan to use the boiling water treatment. Wish me luck. Thanks again.
#5
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Join Date: Jun 2010
Location: The Deep South near Cajun Country, USA
Posts: 5,385
Are your 4 o'clocks the red and white ones? If so, I dearly want some seeds to get a start myself. My grandmother had those by her backdoor. They bring back such lovely memories for me. If I were near you, I would come dig the tubers up and take care of them for you. I have only been able to find yellow ones for years and she didn't have any of those. Just the red and white.
#8
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Join Date: Jun 2017
Posts: 622
Salt and vinegar works excellent, too.
What I love about using boiling water, is if there's any of the plant sticking out of the ground, the roots, bulbs, everything is done, and it's instant. No waiting.
Suz. Use a full kettle or larger pot when applying. Soak the area good around whatever it is that you're looking to kill.
What I love about using boiling water, is if there's any of the plant sticking out of the ground, the roots, bulbs, everything is done, and it's instant. No waiting.
Suz. Use a full kettle or larger pot when applying. Soak the area good around whatever it is that you're looking to kill.
#10
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Join Date: Feb 2014
Location: Davenport, Iowa
Posts: 3,785
My late husband dearly loved "four o"clocks" and we planted them near the back door. Ours were white, yellow, pink, and a magenta.....with only a few red and white strip. Hadn't thought about them in a while.....love the memories!
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