The profile indicates that spherical maple is the refined cultivated form of Norway maple. This hint raises the question of growth. The following data will familiarize you with the proportional relationship between trunk diameter, height growth and crown volume.
Ball maple grows up to 6 meters tall
Facts worth knowing about the growth of spherical maple
| trunk circumference | 18-20cm | 20-25cm | 25-30cm | 40-45cm | 50-60cm |
|---|---|---|---|---|---|
| height | 350-400cm | 400-450cm | 450-500cm | 450-500cm | 550-600cm |
| crown diameter | 110-130cm | 130-180cm | 180-250cm | 250-350cm | 500-600cm |
This data is for an Acer platanoides Globosum that is not subjected to regular topiary. Furthermore, the information should only be regarded as average values under normal conditions. Typical for the growth of the crown is a spherical shape when young, which flattens out with age.