Biodynamic Vineyards: Cosmic Bridge or the Turf of Witch Doctors? David Flaherty March 23, 2010 FCG, Wine Spotlight 25 Comments First you catch the mouse that’s made a home in your vineyard. Next you skin him, discard the body, and burn the flesh into a wee pile of ashes. Then, when Venus is in the constellation Scorpius, you scatter the ashes over the vines. This will take care of your pesky mouse problem.