public void GrowUp(Hexagon hexagon)
 {
     Logger.Debug("grow up GroundOnTimeAppliedEffect begin");
     if (PlayBoardManager.GetInstance().isMyTurn(_caster)) { 
         foreach (Hexagon hex in hexagon.GetAllNeighbours())
         {
             Logger.Debug("add on time effect on hexa begin");
             hex.AddOnTimeEffect(new GroundOnTimeAppliedEffectGrowable(_id, _effect, _nbTurn, _caster));
             Logger.Debug("add on time effect on hexa end");
         }
     }
     Logger.Debug("grow up GroundOnTimeAppliedEffect end");
 }