On Thursday June 4th at 0022 Station 36 was dispatched to Dogwood Dr for landing zone coverage. Chief 36 arrived on scene and observed tall grass and overgrown conditions at the proposed landing site. Chief 36 communicated with county and the Northstar pilots and together it was decided a new landing site was needed. The field behind Foothill Acres was selected and Engine 36 and Brush 36 were redirected accordingly. Upon arrival, crews from Engine 36 and Brush 36 set up the landing zone. Upon arrival of the ambulance, 36 crews assisted in patient transport to the medevac chopper. All 36 units cleared the scene at 0127.