In message , David Hill
writes
"........ but my 2 year old Jack Russell likes chewing the barks and they
die. .........."

You don't get this sort of problem with a cat..........

dare I disagree?

my cat has a penchant for eating the tops of cyperus alternifolius...

--
dave @ stejonda

"To materialist eyes, India is a developing country;
to spiritual eyes, the United States is a developing country."
Ram Dass