Daniel Greenwood

The language of leaves

Posts tagged ‘Hazel’

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Horsham District, West Sussex, April 2020

The sun glows in the slowed Arun, the alders casting long shadows broken by the entry of a dog fetching a stick. It’s evening and this once quiet track has more walkers, runners and cyclists than I can remember. We all try to stay two-metres apart. Even here on this April evening far from a city, the fear of the virus can be seen.

It’s disarming to see a dog eating horse poo.

‘Disgusting dog,’ its owner scolds.

Quieter again but for a white globe of a cyclist, we inspect the first hazel leaves where they glow in the setting sun. We consider the age of this old pathway cutting along the edge of a field, the birch and bracken-choked slopes on the other side. In the shade bluebells flood, the first I’ve seen this year. The birdsong is such a mesh, a spring frenzy, that in my mind I can’t recall its parts. But blackbirds, cheerleaders of this unimaginable time. Of spring, that is.

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A few years ago I experienced a Sussex evening just like this in April, waiting for badgers to leave their sett. It helped me to fall for Sussex – its woodland bluebells like purple gases aglow in the low-slung sun. The inability to travel beyond my new home has brought me back to that moment.

Further ahead the canopy has closed for the first time this year. Hornbeam appears, an indicator of ancient woodland in the Sussex Weald, key charcoal fuel of the lost iron industries that roared across this landscape centuries ago. Their leaves shade little suns of goldilocks buttercups. Here with bluebells, wood anemones and ramsons they are in their element. They are home.

The Sussex Weald

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Holly blue

This was the first workday for the Friends of One Tree Hill (FrOTH). We coppiced 10 sycamore (Acer pseudoplatanus) trees and cut back the bramble (Rubus frusticosus) which is so dominant on the site. In the case of sycamore we were felling trees of some thirty-feet or more in height that were competing with the sessile oak trees (Quercus patrea). These oaks are regenerating on the slope of the south-facing hill and are slow growers compared to the highly successful sycamore. We felled the trees also to allow light in and let the herb layer regenerate. This is a technique which helps insects and butterflies in particular. PlantLife reports that by 2002 97% of British broadleaf woodland had become high forest. In 1951 that figure was at 51%. This means that most of our woodland is dark and overgrown generally because humans have stopped relying on woodland as a resource for firewood, furniture, grazing of livestock and so on. One of the great misconceptions about woodland is that felling a tree is somehow a bad thing when, on the contrary, wildlife flourishes when trees are cut down in moderation and sunlight can get in to bring life to the woodland floor.

One ancient tradition which has gone out of fashion is the art of coppicing. This is a process of cutting a tree down to its base, generally of hazel (Corylus avellana) or ash (Fraxinus excelsior), which means that the tree shoots new, straight growths. These poles were used for a variety of things, often as fencing. Sycamore is not a typical coppice tree, but the stumps we cut down to in One Tree Hill will shoot similar growths in the spring and summer. In the meantime the wood we have cut will be used either to make log piles for beetles and other bugs to inhabit, otherwise the material will be used to make handrails or deadhedges in the wood. The point of managing a wood in this way is to show that using the material, i.e. trees, is not a negative thing and can boost wildlife in the short term. The Pearl-bordered fritillary (Boloria euphrosyne) is one butterfly which saw a decline in numbers after the tradition of coppicing declined in the 20th century after we began to rely on gas to heat our homes and use wood imported from overseas. You can see that a tree has been coppiced if you spot thin shoots and the hairy green leaves of a hazel. This technique is renowned for its benefits for wildflowers such as wild primrose (Primula vulgaris) and bluebells (Hyacinthoides non-scripta) which can burst into life when the coppice is cut. These are plants indicative of ancient woodland and seeing as One Tree Hill is located in the area which was once part of London’s Great North Wood, we are hoping that some plants, in certain areas, could reappear one day, not to mention the wildlife which feeds from them. Sydenham Hill & Dulwich Woods and Dulwich Upper Wood are two fragments of the Great North Wood which have ancient woodland flora growing there, and have done for thousands of years. Perhaps one day One Tree Hill can be in a similar vein of health.

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