And younger trees will be planted.
And younger trees probably have tastier roots as well.
Their dark bark is rugged and blocky, giving even younger trees a wizened look.
"It's killing some of the younger trees, but the older ones are surviving.
But a single new strain, adapted or engineered to grow near younger trees, might make plantations possible.
"At first it was only the younger trees, and then we started to see it in the older trees too.
The arrangement left large trees in the care of city workers, while civilians tended often-neglected younger trees.
Since many of the trees that were damaged or killed were large, as many as 10 smaller, younger trees can fill the same area.
There's evidence that younger trees in nurseries, many of them grown in continental Europe, are more vulnerable and that fewer of the mature British ashes are displaying symptoms.
Even more serious is a canker bacteria disease that causes bleeding on the trunk of horse chestnuts, often killing younger trees within a few years.
