Live Decorative Ornamental Plant – Christmas Tree Silver Pine Tree. Family Pinaceae Origin Himalaya Mountain. The tree is distinguished by its clusters of long cylindrical hanging cones, and it needle-like blue-green leaves. The tree grows up to 50 m tall, symmetric and pyramidal in shape. It grows quickly and can thrive in moist environments. The branches of the pine can extend outward very far and are covered in blue-green needles all year.. Pine trees prefer acidic, moist and well-drained soil and sun to part shade.