Horticultural students at Writtle College, Essex have been celebrating National Tree Week (NTW) by planting unusual tree species.

Students studying arboriculture (the science behind tree growing) on the second year of the horticulture degree scheme planted the 25 unusual tree species over NTW (November 26 - December 7).

The college’s senior arboricultural specialist Charlotte Power said: “We are aiming to increase what is already a good collection of unusual trees with these specimens.”

The additions to the collection this year include an unusual variegated pine, Pinus wallichiana ‘Zebrina’, and a rare golden form of the Giant Redwood, Sequoiadendron giganteum ‘Aurea’.

Around 60 first-year Horticulture and Landscape Design students will also be planting a whole host of trees as part of the expansion of the college grounds and arboretum this week.

Initiated in 1975, NTW is the UK's largest tree celebration, annually launching the start of the winter tree planting season. The week is organised through The Tree Council, an environmental charity that is an umbrella body of around 180 organisations.

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