or
late-matured

" 40 ft Form: rounded Type: narrow-leaved evergreen tree Annual Growth Rate: less than 12 inches Comments: Japanese White Pine is a slow-growing tree that can be ..."

"Möbler av massiv senvuxen fjällfura
Materialet vi använder är senvuxen fjällfura. Ett träd som bara växer i omfång under några korta sommarmånader varje år.
Furnitures of genuine slow-growing mountain pine
The material we use is late-matured Northern pine, a tree which only grows circumference during a few short months in the summer each year."