UK Trees Shed Leaves Early Amid Drought-Driven False Autumn — SkimNews
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- Birch trees at Wisley Garden lost all their leaves by mid-October due to drought stress, resulting in no autumn colour display this year, according to Royal Horticultural Society chief horticulturist Guy Barter.
- Wisley Garden is experiencing an earlier-than-usual autumn colour peak, with drought-sensitive species like beech and sycamore shedding foliage early while deeper-rooted or resilient species like liquidambar remain vibrant.
- Royal Horticultural Society experts warn that climate change is disrupting the natural autumn cycle, which typically depends on shortening daylight and adequate soil moisture, not summer drought conditions.
- Guy Barter stated that trees with shallow root systems are most vulnerable to drought-induced leaf drop and predicted gardeners will increasingly plant 'trees of the future' such as liquidambar, Lebanon cedar, and swamp cypress.
- Tim Upson noted that experimental plantings of Californian and Mediterranean oaks at Wisley 30 years ago are now thriving, signaling long-term adaptation to changing climate conditions.
- Six regions in England are officially in severe drought, with low river and reservoir levels persisting across most of England and Wales, exacerbating stress on vulnerable tree species.
Why it matters: Shallow-rooted trees like birch and beech are becoming less viable in exposed UK landscapes due to hotter, drier summers, forcing horticultural institutions and gardeners to shift planting strategies toward climate-resilient species, which will reshape the country’s visual and ecological landscape over time.
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