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NOLAGT
Over there
Member since Dec 2012
8866 posts

Best spray to kill elephant ear and banana plants
A while back someone gave me some banana plants. Along with that some elephant ears stowed away. I have since removed them and planted trees in the area with the intent to battle the new sprouts until gone.

I just removed what I could and mulched on top and let it unplanted in the area except the trees. So now some EE are sprouting so wondering what’s best. I hit them in the past with a regular mix of roundup with little success. Should I up the strength? Something else better?

Also thought about covering the area with a black tarp to block light and get the ground extra hot to maybe smother them out for a season or two.

Anyone battle these before?


wickowick
LSU Fan
Head of Island
Member since Dec 2006
39363 posts

re: Best spray to kill elephant ear and banana plants
You fricked up planting those things, the only thing worse might be bamboo


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TigerFanatic99
Chicago Cubs Fan
South Bend, Indiana
Member since Jan 2007
12164 posts

re: Best spray to kill elephant ear and banana plants
1.) Till the soil about 12 inches at least 2 feet past when the ears are coming up

2.) Soak with gasoline

3.) Stir the soil

4.) Soak again

5.) Fluff the soil

6.) Light on fire


WhiteMandingo
Member since Jan 2016
1054 posts
 Online 

re: Best spray to kill elephant ear and banana plants
Cut down as low as possible then dump 5 gallons of diesel on it you got 2 years before they come back .

It wont kill it but is definitely makes the bulb system dormant.


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
71 posts
 Online 

re: Best spray to kill elephant ear and banana plants
This is what worked for me when trying to get rid of both bananas and cannas after cutting them. When resprouting make a horizontal cut on the re-sprouts at near ground level and immediately “paint” the fresh cut with trichlopyr herbicide (8.8%). You can purchase that as “stump and vine killer”.

LINK

May have to repeat the process the rest of the summer to get them all, but I was really surprised at how well this worked.

I did dig out some of the bananas roots first but as you know you can’t get rid of them all. If you have a big area, might need to turn on the music and drink some cold ones while cutting and “painting” b/c it is a pain in the azz.

If you do have a bigger area and mega stumps to deal with you could try the more concentrated form of trichlopyr (61.6%) and spray it on freshly cut stumps and emerging leaves.

LINK

Follow label directions.


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LSU alum wannabe
LSU Fan
Katy, TX
Member since Jan 2004
22051 posts

re: Best spray to kill elephant ear and banana plants
Those are the fricking devil.

Don't expect success from any product that will allow anything else to grow in that spot for SOME time.

Me and my Dad chopped those frickers below the ground, took a hatchet to the stump, poured salt and or round up into the fresh hatchet cuts. Month later it would pop up a few feet away. Then repeat procedure.

We finally got rid of them, but I will not be surprised for it to pop up again.


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TD SponsorTD Fan
USA
Member since 2001
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cave canem
Mississippi St. Fan
pullarius dominus
Member since Oct 2012
8990 posts

re: Best spray to kill elephant ear and banana plants
Best solution i have found is a shovel on a hot day, about half way through you will fully realize the error of your ways and never plant one again.


gumbo2176
Member since May 2018
3302 posts

re: Best spray to kill elephant ear and banana plants
I had both on my current property when I bought it in 92. I got rid of them simply by cutting them to the ground and every time they started to show any signs of sprouting, I'd take a shovel and cut it back down to the ground.

If photosynthesis can't take place, the roots eventually die. This didn't happen overnight, but just keep removing any growth whenever it shows and they will eventually die.

I've been here since 92 and after that first year or so, no banana or elephant ears have grown in my yard.


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LSUbrat
LSU Fan
Houma, LA
Member since Nov 2007
123 posts

re: Best spray to kill elephant ear and banana plants
quote:

chopped those frickers below the ground, took a hatchet to the stump, poured salt and or round up into the fresh hatchet cuts. Month later it would pop up a few feet away. Then repeat procedure. We finally got rid of them, but I will not be surprised for it to pop up again.


Exactly what I did. I think the salt helped the most. Used a lot of rock salt.


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Tigerroc
Member since Jun 2017
34 posts

re: Best spray to kill elephant ear and banana plants
Ha. I planted a few variegated “Martha Stewart” brand artemisia plants several years ago and man are they invasive!! Just finished scrapping flower beds with shovel for 3rd and hopefully final time. Didn’t want to put any chrmicals down to kill them as they have grown in my orchids and lilies and irises. Hot sunny day work!!


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Milescb28
LSU Fan
New Orleans
Member since Oct 2008
121 posts

re: Best spray to kill elephant ear and banana plants
Never did elephant ear but have removed banana plants. Shovels, pick axe, axes, chains and a truck to put root balls out. We removed them around a camp. The root balls were huge. Broke a bunch of rope and the neighbors side by side was up on 2 wheels and unable to pull the roots out. Truck and chain did the trick.

Good luck! It was tough work.


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Rando
USA Fan
When IPs were Visible
Member since Apr 2015
14378 posts

re: Best spray to kill elephant ear and banana plants
41% gly phosphate mixed with 2 4 D

Cut them off spray them and usually they're dead


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