Hibernation

Hibernation
Tier 3
Requires Druid
Min Level 110
Research: 6 hrs / 500 
Increases the maximum number of Dreamgrove Treants, Daughters of Cenarius, Druids of the Claw and Keepers of the Grove you can recruit by 1.

Garrison Ability

Hibernation
Ability
Increases the maximum number of Dreamgrove Treants, Daughters of Cenarius, Druids of the Claw and Keepers of the Grove you can recruit by 1.