That depends on its health.
Less than a second - healthy.
More than a couple of seconds - unhealthy.
About a month.
it doesnt breathe
Take a look at this website (see link below). It has extensive knowledge on Venus Flytraps.
1/30 of a second
The period of rotation for Venus is 243 days.
Venus orbits the Sun, not the Earth
500days
it takes venus 225 days
223 days
when diaz
243 days