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+--- Thread: building tomato trellises (/showthread.php?tid=9583)
building tomato trellises - mary - 04-24-2012
hi all,
i am trying to use bamboo poles since i got so much bamboo on my land but when i use it in its natural form, it seems to rot over time, gets black mold spots all over, especially if and when i stick them into the ground, or a potted plant.
I am wondering about coating them with some outdoor house paint but not sure if i stick a pole like that into a pot with a plant, will the plant absorb the chemicals from the outdoor paint?
If anyone knows of "clean" green seal or coating for bamboo or guava sticks, i would greatly appreciate it if you could tell me.
thank you kindly,
mary
RE: building tomato trellises - Andy - 04-24-2012
You can try using a chemical called Borate on a culm that's at least 2 yrs old. Not sure about the leeching issue, you may want to investigate that further. Not sure if you'd consider it "green" but like other toxic chemicals ( Nicotine, Arsenic and Pyrethrin) it is naturally occurring.
RE: building tomato trellises - carmel123 - 04-26-2012
I wonder if you dip your bamboo poles into hot wax if it would not help them to last longer? I don't think it would contaminate your gardening and if it did not work it does not cost much.