Arboriculture Services in Hitchin, St Albans and Hertfordshire

Tree Surgery

Crown reductions

The reduction in height and/or spread of a tree. This may be carried out to reduce mechanical stress, make the tree more suited to its immediate environment or to reduce the effects of shading or light loss. The final result should retain a large portion of the main framework as well its leaf bearing structure.

Thinning

This is the systematic removal of a portion of the crown. This may be done to improve light underneath the tree, to reduce wind resistance or to reduce weight. The first branches to be removed will be anything which is dead, dying or diseased. It should not alter the overall shape of size of the tree, but should include an even removal of foliage up to 30% from the outer portion of the tree.

Crown Lifting

This is the removal of lower branches.This process allows greater light underneath the tree and may also be useful for improving access. On more mature trees removing large limbs is avoided where possible as this leaves large wounds on the tree, which may become susceptible to pest and disease

Crown Clear Out

Commonly performed on Sorbus and Prunus species where the crown becomes congested with new shoots.

Felling

Trees need removing for a number of reasons; they may be dead, structurally unsound or simply in the wrong place. We are able to remove trees, safely and efficiently.

  • Directional Felling – If there is sufficient room and nothing to damage beneath, a tree can be felled in one go
  • Where there is insufficient room to use ‘directional felling’, a tree can be taken down piece-by-piece with accurate felling cuts, dropped into a specific area. In some circumstances, it may be necessary to use ropes to lower the tree one section at a time to avoid any possible damage.

Formative Pruning

Young trees may begin to mature with an un-beneficial form, establishing multi stems with poor unions, rubbing or crossing stems, unsightly shoots from the main stem or at the base of the tree. These trees are best pruned at an early stage in their development to enable them to mature and develop with the correct habit for the individual species.

Coppice

Another ancient tree management technique that’s enjoying something of a renaissance. The tree is cut to a short stump from which new shoots emerge. These are removed some years later and the cycle begins again. Coppice growth makes fantastic habitat for birds and woodland mammals.

Pollarding

The initial removal of the top of a young tree at a prescribed height to encourage multistem branching from that point, traditionally for fodder, firewood or poles. Once started, it should be repeated on a cyclical basis always retaining the initial pollard point, or boiling as it becomes known. Pollarding a large tree for the first time will leave large wounds which may become susceptible to pests and disease.

Topping/lopping

This is not recommended, but we all know what it means! Can be performed on certain species but always consult an expert.

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