Table of age of maturity and width of ring in mm :
|
Common oak
|
Turkey Oak
|
Red Oak
|
Beech
|
Sweet Chestnut
|
Walnut
|
Black Mulbery
|
Ash
|
Common Lime
|
Horse Chestnut
|
London Plane
|
Yew
|
Robinia
|
Monkey Puzzle Tree
|
Black Pine
|
Tulip Tree
|
Deodar Cedar
|
Cedar of Lebanon
|
Holly
|
Sycamore
|
| Botanical name |
Quercus robur
|
Quercus cerris
|
Quercus rubra
|
Fagus sylvatica
|
Castanea sativa
|
Juglans regia
|
Morus nigra
|
Fraxinus excelsior
|
Tilia x europaea
|
Aesculus hippocastanum
|
Platanus x acerifolia
|
Taxus baccata
|
Robinia pseudoacacia
|
Araucaria araucana
|
Pinus nigra
|
Liriodendron tulipifera
|
Cedrus deodara
|
Cedrus libani
|
Ilex aquifolium
|
Acer pseudoplatanus
|
|
Champion
|
70/5 |
30/10 |
60/6 |
80/6 |
|
|
|
|
100/5 |
|
100/6 |
|
|
60/5 |
60/6 |
70/7 |
40/8 |
|
|
|
|
Good site
|
80/4 |
40/6 |
70/5 |
70/5 |
70/5 |
55/4 |
40/3 |
50/5 |
80/5 |
50/5 |
60/6 |
|
70/5 |
45/5 |
70/5 |
50/6 |
50/7 |
60/6 |
|
80/6 |
|
Average site
|
100/3.5 |
50/5 |
80/4 |
70/4 |
60/5 |
50/4 |
30/3 |
70/4 |
70/5 |
40/5 |
70/5 |
60/4 |
80/4 |
60/4 |
70/5 |
|
50/6 |
70/5 |
70/3.5 |
60/6 |
|
Churchyard
|
|
40/6 |
|
60/4 |
|
50/4 |
|
|
80/5 |
50/5 |
70/5 |
55/3 |
80/4 |
|
|
|
|
|
|
60/6 |
|
Poor site
|
120/3 |
|
|
60/4 |
40/5 |
50/3 |
|
|
|
|
|
40/3 |
50/3 |
60/3 |
60/5 |
50/4 |
|
80/4 |
80/3 |
60/5 |
|
Woodland
|
100/3.5 |
|
|
|
|
|
|
20/5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Inside Woodland
|
70/2.5 |
|
|
120/3 |
100/3 |
|
|
100/3 |
|
|
|
30/3 |
|
|
|
|
|
|
60/4 |
|
Calibration data obtained from Information Note FCIN12 "Estimating the Age of Large and Veteran Trees in Britain"
by John White from the Forestry Commission.