Ask a Question forum: Invasive banana trees

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Name: Ben Larkin
Virginia Highland/Atlanta (Zone 8b)
May 13, 2016 12:28 PM CST
I have large banana trees that are taking over a section of my yard. I tried spraying roundup and it didn't seem to affect them at all. I sliced off the tops and poured salt in the wound and it didn't affect them either. Has anyone tried slicing them and pouring roundup/Glyphosate 4 Plus Herbicide in the wound to kill them. Once I get rid of them, I plan to have some in pots only. Ben in Atlanta.
Ben Larkin
Name: Hetty
Sunny Naples, Florida (Zone 10a)
Plumerias Photo Contest Winner: 2015 Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Plant Database Moderator
Forum moderator Region: Florida Cat Lover Garden Sages Cactus and Succulents Tropicals
May 13, 2016 2:16 PM CST
Bananas can be vigorous (as you have found out). They will continue to produce new shoots unless you dig out the whole clump.
Name: Porkpal
Richmond, TX
Charter ATP Member I was one of the first 300 contributors to the plant database! Keeper of Poultry Farmer Roses Raises cows
Garden Ideas: Level 2 Celebrating Gardening: 2015 Plant Identifier
May 13, 2016 2:18 PM CST
You might try using Remedy instead of RoundUp, or cover the whole area with black plastic - or both...
Name: Elaine
Sarasota, Fl
The one constant in life is change
Cat Lover Master Gardener: Florida Tropicals Multi-Region Gardener Vegetable Grower Region: Florida
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May 13, 2016 2:39 PM CST
Ben, you need to spray the Roundup on the leaves, not on the stumps. The plants absorb the stuff through the leaves.

Still with bananas, as Hetty said you need to dig the whole clump to really be rid of them for good. You can chip away at it, a hunk at a time but you're going to find there's a huge root mass under there, I fear.

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

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