Agree with 2-3 hours.
I agree 2-3 hours
I photograph a lot of the plants. So it usually takes me about 3 hours.
3 at least, depending how long you viewed each area. Lots of stuff for kids to do, my grands weren't bored, and a cute little gift shop. I belong to the Chicago botanic garden, so got in free!
Easily 3 hours depending on if you wanted to read any of the literature about the plants.
3 at least
It would take about 2-3 hrs
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