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Subject:  Re: Killing Various Vines - keeping trees safe Date:  3/18/2021  2:45 PM
Author:  imuafool Number:  32447 of 32580

Funny you brought that up, my SO wants bamboo, I've heard it's problematic to say the least.

There are two types of bamboo, I.e., running and clumping. Here’s a American Bamboo Society website that provides answers to any question.
For example: Controlling bamboo.
To prevent a running bamboo from spreading, a “rhizome barrier” is essential. A barrier two or three feet deep is effective. It should be slanted outward at the top so that when the rhizomes hit the barrier they will bend upwards. A barrier does not stop a running rhizome; it only deflects it. The barrier should project an inch or two above ground level. Check the barrier once a year, and cut off rhizomes that arch over the top.
Barriers can be concrete, or metal, or plastic. The usual recommendation is high-density polypropylene, 40 mil or heavier, glued or taped at junctions, or clamped with stainless-steel clamps. This material comes in rolls, or as hinged sections, and is available from some landscape suppliers and bamboo nurseries, frequently termed root barrier. More elaborate barriers with corner posts that hold the material at the proper angle are also available.


Last year, I noticed new bamboo growth on my neighbor’s side appearing above our common 6-foot high slump concrete block wall and new shoots appearing on my side. She had transplanted an overgrown potted bamboo plant gift next to her wall unaware that it was a runner with roots and growth spreading along the wall and under the block wall footing to my side. ?When notified (we are good friends), she immediately had her yard maintenance service dig out and remove all bamboo growth and roots which to date has not reappeared.

Bottom-line: before buying and planting, do your research on bamboo varieties. Some clumping bamboos like the ones at Disneyland’s Jungle Cruise attraction were planted purposefully for their very tall heights and visual effects that most likely would not be suitable for the typical residential yard.

canonian, regarding your problematic vines and brush, before any treatment, I would specifically identify these plants and then seek and find appropriate remedies. Consult with local nurseries for identification and treatment, or if the problem covers a large area, consult with a horticulturist. It appears that gdett2 did his own due diligence and implemented what works best.

canonian, I do not know where you live, but in Hawaii where I grew up, exotic invasive vines and brush have caused highly destructive problems. Here’s a listing of Hawaii's Most Invasive Horticultural Plants.
As an example:
This aggressive perennial vine of the cucumber family has star shaped flowers with 5 petals and smooth bright red fruit that are 1-3” long. The leaves are alternate and variably shaped (sometimes deeply lobed.) Stem and leaves of the vine are mostly smooth (without hair).
Vines grow over and smother vegetation, cover fences and power lines. It threatens natural and managed areas. It is extremely difficult to control because plants regrow from deep roots, even after treating with herbicide. Although ivy gourd requires cross-pollination between male and ,female plants, it is able to spread quickly and can grow up to four inches per day.

Each island has an Invasive Species Committee. For example, the O’ahu Invasive Species Committee, regarding one problematic vine, Cape or German ivy (Delairea odorata) on O’ahu, advises:
Do NOT pull or cut down the plant.  OISC will properly remove and dispose of the plant to prevent spreading seeds and re-sprouting.

I’ll end with Kudzu; the vine that ate the South.

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