The wreaths summon her. No additional effort required.

I guarantee if you make enough of these for long enough, your own crochety lady will just appear. We have someone who supposedly brings up complaints about “pagan idols” (garden gnomes) at every town meeting, and our town is relatively normal and boring by most standards.

Absolutely. Bury it next to a stream on a new moon, dig it back up on the full moon, then take it to a spa day with you for a full massage and sauna.