Hydra Zone definition
Hydra Zone. (or “Water Zone”) shall mean grouping plants together according to similar water requirements. (Plant List for Hydra Zone values). Each zone is based on the amount of water required for vegetation to flourish. Each plant in these zones should have a plant factor that correlates to the Hydra Zone. The Plant factor is used in the Water Allowance Formula. Correlating values are as follows: Hydra zone (or water zone) Plant Factor 3+ 1 2-4 .75 1-3 .50 0-1 .25 0 0