Redwoods are still an evergreen and fast growing. Alternatively, we could put the tannin producing gene in a regular lumber tree to make it naturally rot resistant to be a green alternative to lumber treatments
In: Biology
They’re fast-growing, but you want them to get big, which takes a long time. Also, they seem to be very sensitive to climate. Naturally they only grow in a few isolated patches in California, though apparently the UK has had some success in growing them.
The bottom line is that it’s cheaper to pressure-treat pine than it is to grow redwoods.
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