Physical Danger
Nah. Most work is done within the relative safety of a design studio. Construction sites of new developments or places where old buildings and landscapes are being demolished to get out of the way of new landscapes may require some safety precautions for visitors surveying the site.
The only thing to look out for is if you start taking care of a plant shortly after a total eclipse, and it begins asking you to feed it human blood. It may seem like an innocent request, but before you know it, that thing will turn on you.