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Can this Flame mimosa tree be made to grow straighter?

Posted by roselee z8 SW Texas (My Page) on
Fri, Jul 6, 12 at 22:16

The Flame variety of mimosa tree was planted almost a year ago. Even though staking is not recommended as it tends to make the trunk weak it was staked as can be seen in the first photo.

The tree this spring:

Just recently I removed the stake to see if there had been any progress. There wasn't. I know they tend to lean and spread, but at this point it can't be walked under.

The tree today:

I'm very much aware that mimosas are considered trash trees by some, but I've grown them before and in my part of the world -- thin soil on lime stone in hot dry Texas at the foot of the Hill Country -- they are well mannered, grow well, and don't tend to seed out.

Are there any suggestions for making this tree start it's spread a little higher? I'm thinking about cutting off the branches that face down in hopes that the energy will go to the branch on the right and the ones pointing up. But that still leaves the big curve to the left.

Helpful tips will be much appreciated!


Follow-Up Postings:

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RE: Can this Flame mimosa tree be made to grow straighter?

Tight staking is a no-no.
That tree needs to be staked, but loosely so that it can sway a little with the breeze.

To do so:
1. Grab the trunk loosely in your hand
2. slide your hand upward until the top is upright.
3. two inches above your hand is the place for the top LOOSE tie.
4. Using two 2-inch diameter stakes, place at opposite sides, and at least 8 inches from the trunk. Drive 18 inches into the ground.
5. Place top tie as a figure-8
6. place another figure-8 tie lower down which helps straighten the trunk -- (For this tree, you may need to use an additional figure-8.)

The figure-8 ties will allow the trunk to move a bit which, in turn, strengthens the trunk.
If the ties are tight, the trunk will remain weak and will develop a dog-leg bend at the same height as the top tie.

Remove the ties in a year, then re-do the test to find a new, lower place for the top figure-8.

Oh yes, nothing to do with staking, but also clear a larger circle at the base of the tree.


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RE: Can this Flame mimosa tree be made to grow straighter?

Okay, I'll do as you suggest. Thank you very much. Incidentally we did clear the grass from around the tree while moving the border out.


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RE: Can this Flame mimosa tree be made to grow straighter?

you got a box.. you are in it..

lets look outside of it..

i would bet a nickel .. that i could find dozens of gardening friends.. that are TRYING to shape a tree into that graceful arching form ... and would only be staking it.. to insure is doesnt break.. before it thickens enough to protect itself ...

so i ask .. why are you fighting that graceful arch.. and trying to make a straight boring tree out of it????

if you wish to get back in your straight tree box.. all the power to ya.. just playing devils advocate ..

ken


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RE: Can this Flame mimosa tree be made to grow straighter?

Roselee,
i love your tree! it's gorgeous! Now I want one and will be looking for someone to sell me one.
I understand you want the stem to strengen but I have to admit, I love the arch too. it's beautiful!
That tree would look gorgeous hanging like that over my
pond. LOL!
Good Luck with it.


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RE: Can this Flame mimosa tree be made to grow straighter?

The bad news is that Albizia julibrissin is an invasive (environmentally-damaging pest plant) in Texas, as in many other areas of the country, and really should not be considered for gardens. Yes, they are pretty, especially when in bloom, but they aren't good for the environment. The website below lists alternatives for Texas:

Here is a link that might be useful: Texas Pest Plants


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RE: Can this Flame mimosa tree be made to grow straighter?

Albizia drops a whole lot of tiny bits & pieces from flowers and leaves. NOT good to overhang and foul a pond.


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RE: Can this Flame mimosa tree be made to grow straighter?

Not sure exactly where roselee is located, but many "invasive" trees do not behave that way out here due to the hot and dry climate.


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RE: Can this Flame mimosa tree be made to grow straighter?

If by "out here", you mean Texas...Albizia julibrissin is considered a significant invasive problem in Texas by the Texas Invasive Plant and Pest Council, the Texas Parks and Wildlife Department, the Lady Bird Johnson Wildflower Center (in Texas), the Texas A&M University Forest Service, and the Texas A&M AgriLife Extension Service.

If by "out here", you mean somewhere specific in Texas...It's true that this plant is a much bigger problem in some parts of Texas than others, but it has a potential to be at least some problem in most areas of Texas. Roselee could check with her local extension office to determine the potential in her area.


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