Beautiful place to have a walk, especially in spring and fall. You can also see some tropical plants in the glass house.
Garden is more like a nice park - which I like more then Tivoli as there are not many people around! No big but nice for an hour or more if you visit the winter garden or perhaps occasional exhibition. It is close to Ljubljanica and not far from the castle and old town. Worth a visit any time of the…
Take a nice stroll through the centre, then finish it off by relaxing at the University botanic garden. Admission is free for the outside part, and the greenhouse tickets are very cheap. They also have a lovely cafe, though it's a bit hidden.