Few kinds of fantasy plants for your project. Each kind of plants have few different meshes. Grayscale vertex color for your ability to animate wind by shader.

Triangles counts (aproximately):

Plants 1 - 4370 tris

Plants 2 - 3010 tris

Plants 3 - 2600 tris

Plants 4 - 3040 tris

Plants 5 - 1070 tris

Plants 6 - 1130 tris

Plants 7 - 1170 tris