OPEN_796_EAONE_LANDSCAPE_SPECIFICATION 10 Aug 2016 APPENDIX 9


520 REFIRMING OF TREES AND SHRUBS • Timing: After strong winds, frost heave and other disturbances. • Refirming: Tread around the base until firmly bedded. • Collars in soil at base of tree stems, created by tree movement: Break up by fork, avoiding damage to roots. Backfill with topsoil and refirm.


525 TREE GUARDS • Loose or defective guards: Adjust, refix or replace to original specification and to prevent chafing.


530 TREE SHELTERS • Loose or defective shelters: Adjust, refix or replace to original specification and to prevent chafing.


• Removal: Two years after planting.


540 PRUNING GENERALLY • Pruning: In accordance with good horticultural and arboricultural practice. - Removing branches: Do not damage or tear the stem or bark. - Wounds: Keep as small as possible and cut cleanly back to sound wood. - Cutting: Make cuts above and sloping away from an outward facing healthy bud, angled so that water will not collect on cut area.


- Larger branches: Prune neither flush nor leaving a stub, but using the branch bark ridge or branch collar as a pruning guide.


• Appearance: Thin, trim and shape each specimen appropriately to species, location, season, and stage of growth, leaving a well balanced natural appearance.


• Tools: Use clean sharp secateurs, hand saws or other approved tools. Trim off ragged edges of bark or wood with a sharp knife.


• Disease or infection: Give notice if detected. • Growth retardants, fungicide or pruning sealant: Do not use unless instructed.


555 PRUNING TREES AND SHRUBS • Standard: To BS 7370-4. • Special requirements: None.


570 FORMATIVE PRUNING OF YOUNG TREES • Standard: Type and timing of pruning operations to suit the plant species. • Time of year: Do not prune during the late winter/ early spring sap flow period. • Young trees up to 4 m high: - Crown prune by removing dead branches and reducing selected side branches by one third to preserve a well balanced head and ensure the development of a single strong leader.


- Remove duplicated branches and potentially weak or tight forks. In each case cut back to live wood.


• Whips or feathered trees: Do not prune. • Operatives: Member of the Arboricultural Association.


605 TRIMMING SLOWLY ESTABLISHING HEDGES • Operations: - Timing: Cut back hard in June and September to encourage bushy growth down to ground level.


- Form: Allow to reach planned dimensions only by gradual degrees, depending on growth rate and habit.


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