Can't tell you about the blade...I've always used just a branch lopper. I'm also not sure about the value of painting the cut ends with poison since what you cut off will never grow back anyway.

Hello TxGardenLady. I didn't know you had bamboo.

If the culms are not too large, they can be cut with the weedeater blade, if the blade is the right one and sharp. If the culms are 1 1/2 inches or larger, it might be a tough cut though.

Also, it will help to have someone hold up the culm while someone else cuts it.

Good Luck

Kt

We cut some bamboo today and used an old brush saw with about a 18" to 24" blade on it. About 30 years ago I had a weed eater with an 8" saw blade that would cut large brush. The weedeater needs a clutch on it so it will slip if it gets hung up. That saw was not a lot of fun to use.

If I had been the one cutting today I think I would have used a recip saw because I think they are safer and can cut closer to the ground. The large saw we used had a 6.5 hp engine on it and really did a quick job of cutting,but by the time you got 2' into the grove it was too hard to push the saw because of the stumps.