Plant it to grow Spirit Board. Tired of paying overpriced mediums and fortune tellers to chat up the dead? Don't throw your money away! Invest in a Spirit Board and start contacting ghosts on your own! It's like a seance in a box!
Spirit Board Seed price in Growtopia: sells for about 25/WL (median of 2 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: TMBSS