Hey y'all! Here's a list of potential offerings and devotional acts to Dionysus, Greek god of wine, madness, theater, and religious ecstasy.
grapes
wine/grape juice
coffee/other stimulants
amethyst
dalmatian jasper
aventurine
ivy
grape vines
figs
walnuts
chalices
partying or letting loose
dealing with/overcoming mental health issues
green, purple, red, silver
candles
theater masks
dolphins
jaguars and other big cats
pinecones
reading or watching theatrical works
performing in theater
bulls
snakes
goats
fruit
sweet meats
olive oil
barley/wheat
frankincense
phalluses
gold
acts of LGBTQ+
depictions of his wife, Ariadne
depictions of the Maenads
This is not a complete list. Feel free to add your ideas in the comments! All ideas come from my research and personal experience.

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