https://blendermarket.com/products/botaniq-trees

Tree library botaniq is an ever-expanding library of optimized & realistic 3D vegetation – mostly trees and grass. It features a variety of Trees, Grass, Flowers, Weeds, Ferns, Ivy, Palms, Succulents, Shrubs, Plants, Pots, Rocks, Lilypads, and Garden assets for Architectural Visualization, Environmental Design, Rendering Forests, Landscaping, or any other scenes that could use a bit of varied greenery.