We went Friday night. We had to park in the overflow and use the shuttle, so that added about 15-20 minutes. But they dropped us off right at a gate with no line. We got right in.
The lines move quickly so you shouldn't have a problem
Depends on what time you arrive. We had tickets and waited less than 10 minutes to walk into the Botanical Gardens. Parking took about 20 minutes. There was no line at 7:30 pm as we were leaving.
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