I know deer will eat most anything but there are some things they seem to like more than others such as hosta, hydrangea, etc. I was wondering if they seem to especially like astilbe.
Do Deer Like Astilbe?
Certified GKH Gardening Expert
Deer will eat almost anything when there's a limited food supply, so it's possible they will eat astilbe if there isn't anything better on the menu. I can tell you from personal experience that rabbits seem to love astilbe. This article may help you if you have a large population of (hungry) deer in your area: