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Only 100 adult Wollemi pines survive in the wild in a secret canyon near Sydney.
When they were found in 1994, these unusual pines were new to science and captured the public’s imagination. The pines had a lineage that went back 60 million years to the time of the dinosaurs.
Now a new survey by Australian research scientists Dr Heidi Zimmer and Dr Cathy Offord has unearthed a passionate worldwide community of gardeners exchanging tips on how to grow and propagate the pines.
The trees were cloned by scientists and grown for sale from 2005 to help preserve the species via cultivation.
