"Each tree was still only around 1m (3ft) tall, but one day, when the spruces are more than 20-30 times the size, they will provide the paper for a special coll

"Each tree was still only around 1m (3ft) tall, but one day, when the spruces are more than 20-30 times the size, they will provide the paper for a special collection of books. Everyone there knew they would not live to see that happen, nor would they ever get to read the books." A couple of stands of Sitka Spruce that I planted around 30 years ago are now well over 20 metres tall, so I suspect they'll be on their third or fourth planting by then.