The Temperate House at Kew Gardens – once the world’s largest glasshouse and now the world’s largest Victorian greenhouse – re-opened last year (in time for my visit!) after 5 years of restoration. It is home to more than 10,000 plants of 1500 species.
Designed by Decimus Burton, the master of glass and iron who also designed the Palm House, the Temperate House is 4880 square metres, twice the size of the Palm House. It was built between 1859 and 1898.
Burton designed the interior so that plants could be grouped by geographical region and this planting style is still used today. Many of the plants, which need conditions above 10°C to survive, are familiar as New Zealand’s native plants mostly fall into that category.
Kew is one of the world’s leading conservation organisations and ‘home base’ is a chance to share some of the successes and challenges the world’s plants face.
Cylindrocline lorencei (Mauritius tree daisy) “must be one of the most extreme cases of recovering a species from the brink of extinction”, says Carlos Magdalena, a Kew scientist. “It was not achieved from the last plant, nor the last seeds, but from the last living cells of the organism on earth.”
The seed which had been stored could not be germinated and the species was only saved by staff at Brest Botanic Gardens in France who successfully carried out in vitro culture of a viable part of a seed embryo. The shrubs are now flourishing at Brest and Kew and it’s hoped to re-establish a population in its native habitat. Read more here.
The friends who took us to Kew decided that day to sign up as Friends and have been back several times since for special events and just to wander. I well remember what a treat it was having Kew Gardens within striking distance of home with something different to see on every visit.