Pines shade the ground throughout the whole year, densely planted ones especially. Leave trees, like beeches and oaks, loose their foliage in autumn, thus in ea

Pines shade the ground throughout the whole year, densely planted ones especially. Leave trees, like beeches and oaks, loose their foliage in autumn, thus in early spring other plants get enough light on the ground to flourish, before the trees produce their leaves again.