Oak - Selectively reduce lineside branches for a 1.5-2m clearance Cherry - Selectively reduce lineside branches for a 1.5-2m clearance. Retaining any primary branches or main stems within the 2m Cherry - Selectively reduce lineside branches for a 1.5-2m clearance. Reduce primary overhanging leader to suitable growth points to reduce tip weight and therefore risk of rubbing on conductors. Hazel - Selectively reduce lineside branches to hedge height giving a 2.5-3m clearance