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Huge glasshouse to raise 19 million trees a year

A new glasshouse that’s almost as big as two football pitches and capable of producing up to 19 million trees a year for planting out into the forests of the future, will soon be built at a nursery in Scotland. Source: Timberbiz

Forestry & Land Scotland’s (FLS) Newton Nursery is set for a major modernisation in 2024 that will see the nursery provide more trees to support Scotland’s ambitious tree planting targets while also providing FLS with greater self-sufficiency.

The new 12000m2 glasshouse near Elgin is a central part of the redevelopment that also includes new offices, a new distribution and operations centre.

Growing trees from seed inside the glasshouse that are currently grown outdoors in fields, will allow FLS to have much better control over the growing environment, meaning the seedlings are less vulnerable to damage from extreme weather events and competition from weeds.

Trials indicate germination rates could be improved by 60%, demonstrating a much more efficient use of valuable seeds.

Energy and resource efficiency is core to the redevelopment: boreholes will supply water to irrigate the seedlings so there will no new demand on the mains water system, and low energy use technologies have been incorporated into the building design, while solar panels will supplement electricity use.

The stock produced, mostly conifer species such as Lodge Pole Pine, Scots Pine, Sitka and Norway Spruce, is the backbone of Scotland’s forestry industry which adds £1 billion to the economy every year.

The resulting wood products will help the UK reduce its reliance on imported timber, reducing pressure on vulnerable forests around the world.

Once the redevelopment is complete, Newton could have up to 25 million trees in any one year, growing on site. Some will be newly planted and others will be more than a year old and ready to send to forests around Scotland.

“This modernisation will allow us to continue developing new techniques for growing, planting and harvesting trees for forests now and in the future, to increase woodland cover and to help mitigate the impacts of climate change,” Alan Duncan, FLS’s Head of Plant & Seed Supply, said.

The redevelopment and modernisation – made possible with financial support from Scottish Government – represents the biggest, single infrastructure investment ever by FLS. It should be complete by early 2025.

The redevelopment will break ground in spring 2024, the first batch of seeds should be planted in early 2025.