Agecroft has a recreated Still House, which you have seen in this morning's videos. It is near the herb garden, so it's easy to collect the herbs and flowers and take them into the Still House to dry and distill.
Here are some herbs in the herb garden. Do you recognize any of them?
When you visit Agecroft's gardens, you can walk up the path from the herb garden to the Still House
The top of the door will be open so you can peak inside. Be sure to look all around, so you see the distilling equipment to the side.