Verdant season

Verdant season is a regularly occurring effect $$

Effects
A region that is currently in a verdant season will give a 33% chance to double the yield when harvesting plants and fungi in that region.

Regions
These are regions which can experience a verdant season:
 * The Forest
 * Savage Divide
 * Ash Heap
 * Toxic Valley
 * The Mire
 * Cranberry Bog

Bugs
The messagebox will sometimes fail to trigger, so the only way to find out is to harvest.