Edinburgh Botanic Garden's race to protect plants from falling glass has reached a critical milestone with the reopening of its iconic palm houses after a five-year, £23.5 million restoration. The Royal Botanic Garden Edinburgh (RBGE), the second oldest botanic garden in Britain, has faced a constant battle against the elements, with storms and gales threatening its extensive collection of tropical ferns, cycads, and rare alpine heathers.
The Threat of Falling Glass
For years, the garden's glasshouses have been vulnerable to Scotland's harsh winter weather. When winds exceed 30mph, staff are forced to evacuate, leaving priceless plants at the mercy of falling glass panels. "We've had plants that have essentially been decapitated by falling bits of glass," says Sadie Barber, glasshouse curator at RBGE. "You go into one of these tropical spaces in winter and there's icy air coming in. It's traumatic for those of us who put decades into caring for these plants. A storm can literally just wipe them out."
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A Race Against Time
The restoration project, which began five years ago, aimed to replace the aging infrastructure with modern materials while preserving the historic character of the buildings. The new palm houses feature 5,750 panels of toughened glass, designed to withstand bird strikes and reduce the risk of breakage. Before the renovation, a net was installed as a temporary measure to catch falling panels, but the new glass offers a more permanent solution.
Key Improvements in the Restoration
- Toughened glass panels: 5,750 new panels resistant to bird strikes and extreme weather.
- Structural reinforcement: Upgraded frameworks to support the glass and improve insulation.
- Climate control: Enhanced systems to maintain optimal temperatures for tropical and alpine plants.
- Historical preservation: Part-Georgian, part-Victorian architecture maintained.
Comparing Old and New Glasshouse Features
| Feature | Before Restoration | After Restoration |
|---|---|---|
| Glass Type | Standard, weathered glass | Toughened glass (5,750 panels) |
| Wind Resistance | Evacuation above 30mph | Improved structural integrity |
| Plant Safety | Risk of decapitation from falling glass | Reduced risk of breakage |
| Temperature Control | Icy air in winter | Better insulation and climate control |
The restoration not only protects the plants but also ensures the safety of visitors and staff. The garden's team can now focus on conservation and research without the constant fear of storm damage.
FAQ
Why is Edinburgh Botanic Garden important?
Edinburgh Botanic Garden is the second oldest botanic garden in Britain and houses an extensive collection of rare and tropical plants. It plays a crucial role in plant conservation, research, and education.
What was the cost of the restoration?
The restoration project cost £23.5 million and took five years to complete.
How does the new glass protect the plants?
The new toughened glass panels are strong enough to resist bird strikes and reduce the risk of breakage during storms, providing a safer environment for the plants.
With the palm houses now reopened, visitors can once again enjoy the lush tropical displays, knowing that the plants are better protected than ever before. The race to protect Edinburgh Botanic Garden's plants from falling glass has been won, but the ongoing challenge of climate change and extreme weather means that vigilance remains key.
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