The bamboos here sometime all have popping sessions at the same time. It can
happen without wind and at day or night, cool or warm.
Taiwan
Bamboo is a very rapidly growing plant. You are probably hearing it grow. Out
in our Midwestern corn belt, they say you can hear the corn grow in midsummer.


Iris,
Central NY, Zone 5a, Sunset Zone 40
"The trouble with people is not that they don't know but that they know so much
that ain't so."
Josh Billings (Henry Wheeler Shaw), 1818-1885