Plant ID forum: New to gardening cannot identify this weed/tree

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JustinN
Mar 14, 2012 11:20 AM CST
Hi everyone,

We have just moved into a new place on south padre island with a small backyard and we are in the process of trying to plant grass. So far we have weeded most of the area but we have stumbled upon what seems to be a pretty aggressive plant. It is everywhere underneath our soil/sand. I can not stick the shovel into the ground with out cutting into 1 to 5 of these. Their thorns have some sort of toxin if you prick your finger on them. So far I've found this running as far as 18 inches deep at this point. The longest one I have been able to pull up has been about 13 feet before it broke off and they seem to go quite deep as well. Should we till this area, chop it up and rake it? From what I've been finding it looks like blackbrush acacia or catclaw acacia. Any help towards getting rid of these would be much appreciated. On a side note, with our backyard not getting a great amount of sunlight any suggestions on what grass to go with?

Thanks in advance,

Justin

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Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
Charter ATP Member Region: Texas Master Gardener: Texas Permaculture Raises cows I was one of the first 300 contributors to the plant database!
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dave
Mar 14, 2012 11:23 AM CST

Garden.org Admin

Justin, could you provide better and closer pictures of the leaves?

I'm going to move this thread over the Plant ID forum where it's sure to be seen by everyone. Smiling

JustinN
Mar 14, 2012 11:27 AM CST
I'll head outside to see if I can snap a better shot. Thanks

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JustinN
Mar 14, 2012 11:41 AM CST

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Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Mar 14, 2012 1:21 PM CST
The thorns suggest Blackbrush Acacia, it's present in South Texas.

It resprouts vigorously when it is disturbed but can be managed using herbicides


This depends much on your view of using herbicides, even if you do use them they would probably resprout from the running roots. The only effective way I have found to remove invasive roots is to just keep digging them out, wait a while to see what starts to grow again as you will surely miss some, then dig out what you have missed but make sure not to break any off while digging if that's possible.

http://uvalde.tamu.edu/herbarium/trees-shrubs-common-name-in...

Cat-claw Acacia has thorns the shape of a cat's claw..

http://www.californiadesert.gov/plants.php#thumb

I can't advise on what type of grass will grow best for your situation, someone else might be able to.


JustinN
Mar 14, 2012 3:09 PM CST
Aside from the palm trees, johnson grass and the dandelions, we were going to keep what I thought was a oleander. Not positive on it, but could all these running roots be from this plant?
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[Last edited by JustinN - Mar 14, 2012 3:21 PM (+)]
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Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
Charter ATP Member Region: Texas Master Gardener: Texas Permaculture Raises cows I was one of the first 300 contributors to the plant database!
Garden Ideas: Master Level Beekeeper Garden Sages Avid Green Pages Reviewer Celebrating Gardening: 2015 Plant Identifier
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dave
Mar 14, 2012 3:22 PM CST

Garden.org Admin

That's a tropical hibiscus and no, it has nothing to do with your invader.

JustinN
Mar 14, 2012 4:05 PM CST
My mistake I meant hibiscus lol. I moved from oleander st (two streets down) over to hibiscus and for some reason had oleander stuck in my head haha. Thanks for clarifying that its not my invader.
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
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Dutchlady1
Mar 14, 2012 4:13 PM CST
And I'd say that Hibiscus could stand to be pruned!

JustinN
Mar 14, 2012 8:56 PM CST
Lol you're right it could, but considering how bad our mini jungle was starting out it can wait.

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While trying to dig up the running root and attempting not to break it, we found out that they're running under our neighbor's property, which is completely covered with a cement slab and a pool. This root stretches to about 8 to 9 feet before the property line. Suggestions?

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Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Mar 14, 2012 9:03 PM CST
Suggestions:

1) If the roots are not too deep, try putting a barrier in the ground on the border.

2) You swap places with me in cold England. Angel
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
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valleylynn
Mar 14, 2012 9:09 PM CST
Rolling on the floor laughing Rolling on the floor laughing
Janet, I love your sense of humor.

I wonder if it would work to paint the cut stems with a brush killer?

JustinN
Mar 15, 2012 12:57 AM CST
It has crossed my mind that I would border the yard with brick about 1ft down as we have a utility efficiency behind us that its over ran with johnson grass and dandelions and our neighboring property to the right is filled with johnson grass.

Valleylynn: that's a great idea! what type should I use on it?

Oh, and bugs.... there's a reason I haven't left this Island lol
Name: Karen
Cincinnati, Oh (Zone 6a)
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kqcrna
Mar 15, 2012 4:27 AM CST
Wow. Confused

I'd definitely try herbicides on the foliage first. Though it probably won't kill all of that, it might at least weaken the plant and slow it's progression.

After that, I think you'll have to dig and yank. Blocking with cardboard might work for a year or so, but it would have to be repeated often as the cardboard breaks down.

Karen
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
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Dutchlady1
Mar 15, 2012 5:22 AM CST
Justin that shady corner with the two Sabal palms and the WEEDS has great potential! I'm thinking bromeliads...
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Mar 15, 2012 6:46 AM CST
JustinN said:. So far I've found this running as far as 18 inches deep at this point.


I doubt putting bricks 1 foot down will stop them, it's more likely to give them somewhere to secretly hide and multiply making it even more difficult.

I would attempt to put something like thick impenetrable 3 feet barrier down but that might not stop the roots if they can travel deeper. You should be able to get some sort of barrier which is made to contain bamboo roots, usually a very thick plastic which would deflect the roots.

http://www.best4garden.co.uk/shop/page/15

[Last edited by JRsbugs - Mar 15, 2012 6:47 AM (+)]
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Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
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valleylynn
Mar 15, 2012 1:21 PM CST
That's a great idea Janet, the bamboo barrier.

Justin I would check with your county extension agent to find out what would work best for you as an herbicide. They are such helpful people.

JustinN
Mar 15, 2012 2:01 PM CST
Thanks for the barrier Idea, with the way our neighbors yard sits we will definitely need it. Keep in mind this is not our house, we are renting but the owner is motivated to sell in which we may buy at the end of our lease. The only plans we currently is to place a horse shoe pit and to get our grass started for our future puppy.

Dutchlady: all the weeds from that corner have been pulled and the hibiscus is all that stands.

My girlfriend ended up going for a run this morning and stopped 2 miles down from our place to stretch. When she looked down she spotted our little friend in someones front yard popping out of their grass.



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JustinN
Mar 15, 2012 2:02 PM CST
valleylynn said:That's a great idea Janet, the bamboo barrier.

Justin I would check with your county extension agent to find out what would work best for you as an herbicide. They are such helpful people.


thanks for the idea

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