4 shrubs with leaf color in autumn.

Height:

Spiraea_betulifolia_autumn_0101 - 1.1 m
Spiraea_betulifolia_autumn_0102 - 0.95 m
Spiraea_betulifolia_autumn_0103 - 1.1 m
Spiraea_betulifolia_autumn_0104 - 0.85 m

Polygons:

Spiraea_betulifolia_autumn_0101 - 159,065
Spiraea_betulifolia_autumn_0102 - 202 563
Spiraea_betulifolia_autumn_0103 - 163 427
Spiraea_betulifolia_autumn_0104 - 76,285

In the archive:

3ds max_2013 (Corona)
3ds max_2013 (V-ray)
Corona mat
V-ray mat
FBX (Corona)
Textures

Enjoy your use!