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Plant Identification: SOLVED: What is this bamboo-looking plant?

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Forum: Plant IdentificationReplies: 5, Views: 58
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Mansfield, OH

May 5, 2010
10:58 AM

Post #7766596

I have a bamboo-looking plant that came up this spring, and I have no idea what it is! It has 2 green shoots which have grown to almost 4 feet tall in 3 weeks, and they have "rings" similar to those of bamboo. When the leaves first started to emerge, they were pink in color which later turned to light green and are darkening, and they have pinkish-red stems. I don't think it's bamboo as I live in Ohio and the leaves don't look the same as the bamboo I've seen. Please help!!

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Garland, TX
(Zone 8a)

May 5, 2010
11:13 AM

Post #7766624

Fallopia japonica:


United Kingdom
(Zone 9a)

May 6, 2010
1:52 AM

Post #7768571

Yep, Japanese Knotweed Fallopia japonica. A dreadful invasive weed.

Piscataway, NJ

May 6, 2010
2:07 AM

Post #7768579

Shoots are edible and taste like rhubarb, even better. Warning : just like rhubarb it is high is oxalates; eating lot of eat causes kidney stones.

Some towns iin the U.S. do a knotweed festival to eat them, however it is knot enough to elimate this weed.
It is of the 10 (or so) worse invasive plants in the world. I am in Europe right now; this is as bad as in North America.

You are right, it is a reminder of bamboo, esp. in winter. Some of its common names include "bamboo" in several languages.

This message was edited May 6, 2010 5:09 AM
Houston, TX
(Zone 9b)

May 6, 2010
3:53 AM

Post #7768650

Just a +1 on the ID. I have variegated form of this one, but as stated, it's highly invasive. Mine stays potted with the drainage hole plugged so the roots can't escape.
Piscataway, NJ

May 6, 2010
5:48 AM

Post #7768822

This plant is incredible; it can go through the thinest cracks and come out through concrete, tartop, anything.

It does not like salt, even seawater spray; it likes proximity of water, but not flooding.

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