During spring, the large leaves glow copper-red, turning to purple-red in summer and remaining that colour until autumn when they change to orange and crimson. A slow-growing, upright tree. Perfect as a smaller feature tree for lining drives or avenues. Excellent street tree. Acer platanoides ‘Nigrum’ (Purple Norway Maple) is a deciduous tree that grows at a slow rate to reach 6m (H) x 4m (W) in 10 years.