Are the gardens accessible without going to the museum?

No, the gardens are only accessible through the museum. The gardens are closed since Hurricane Irma until repairs can be made.

You have to go through the museum and at the earliest it won't be until late spring until it reopens due to the damage from Irma

No

No the gardens were damaged from the last Hurricane.

No, the gardens are located behind the museum so you would have to go through the museum.