Are tripods for photography allowed in the garden?

Yes, I saw people using them. Just be careful.

Yes, in some places the placement of the tripod will be easier than others.

Yes, you can take but please take care as people are moving and near trees you can not place.

Please take care with tripods in the Garden. While they can be used on pathways, they cannot be used in garden beds or near plants.

Yes, I saw several there during my last visit....

Yes..you won't have any problems.