Dr Naylor said: “These trees naturally only grow in a very isolated range in the Sierra Nevada mountains in California.
“There’s only 75 groves of them in existence in that range, so they’re quite picky – but the climate in the UK is really…
Dr Naylor said: “These trees naturally only grow in a very isolated range in the Sierra Nevada mountains in California.
“There’s only 75 groves of them in existence in that range, so they’re quite picky – but the climate in the UK is really…