The Q&A Archives: Problem With Noxious Weed Bamboo

Question: We have what we've been told is Japanese Bamboo (Polygonium Cuspaidatum?) growing somewhat out of control in our back yard. Last year, he dug out a root about 5' long and as big around as two fingers, to no avail. It's already back this year, with sprouts extending into our lawn. We'd like to put in a flower bed in the area where it's most prolific, but need to know if there's some way to eradicate it.

Answer: In some cases an invasive bamboo can be controlled by installing an underground barrier to deflect the new running shoots upward where they can be removed periodically while they are still small and close to the source. In other cases it is deemed better to try to eradicate it altogether. You might wish to consult with your county extension (424-9485) as to specifically which kind of plant (or possibly bamboo) you have and how best to cope with it. Since any control or eradication methods will be somewhat drastic, it would be better in the long run to settle that prior to planting in a nearby area. In the meantime, perhaps you could use some large containers to provide color and interest in that area.

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