More models of birch spirea:
https://3dsky.org/3dmodels/show/spireia_beriozolistnaia_zhivaia_izgorod_spiraea_betulifolia 
https://3dsky.org/3dmodels/show/spireia_beriozolistnaia_zhivaia_izgorod_spiraea_betulifolia_2_1 

Total
Polys 405 321
Verts 585 675

Spiraea betulifolia hedge autumn 001
Polys: 64587
Size:
X: 42 cm.
Y: 76 cm.
Z: 62 cm.

Spiraea betulifolia hedge autumn 002
Polys: 49249
Size:
X: 42 cm.
Y: 76 cm.
Z: 62 cm.

Spiraea betulifolia hedge autumn 003
Polys: 94649
Size:
X: 66 cm.
Y: 77 cm.
Z: 64 cm.

Spiraea betulifolia hedge autumn 004
Polys: 100 022
Size:
X: 66 cm.
Y: 79 cm.
Z: 63 cm.

Spiraea betulifolia hedge autumn 005
Polys: 96814
Size:
X: 67 cm.
Y: 76 cm.
Z: 63 cm.

Archive include:
3ds max 2012
3ds max 2012 Corona
OBJ by material
FBX 2012 standard material
V-ray mat
Corona mat
Textures

Have a nice use!