$0+
Cinema 4d R19 + Forester plugin + Octane Render
Sphere was picked for this experiment, added some animated displacement with noise.
Octane scatter was added on a sphere, its for time economy and for not animating every tree.
You can pick some standart trees from internet, but i used forester, dropped 2 different trees under scatter with random effector for different scane and rotation.
Pre animated cloth included.
Have fun;)