The file contains a hedge model of 5 elements
The central elements of the fence can be connected randomly.
Use the bend modifier to get a curved shape.
On a preview example of using the model

Total
Polys 380 385
Verts 548 802

Spiraea_betulifolia_hedge_rounded_001
Polys: 59474
Size:
X: 41 cm.
Y: 75 cm.
Z: 62 cm.

Spiraea_betulifolia_hedge_rounded_002
Polys: 44 638
Size:
X: 41 cm.
Y: 75 cm.
Z: 62 cm.

Spiraea_betulifolia_hedge_rounded_003
Polys: 91 709
Size:
X: 65 cm.
Y: 76 cm.
Z: 64 cm.

Spiraea_betulifolia_hedge_rounded_004
Polys: 94534
Size:
X: 65 cm.
Y: 78 cm.
Z: 63 cm.

Spiraea_betulifolia_hedge_rounded_005
Polys: 90030
Size:
X: 65 cm.
Y: 76 cm.
Z: 64 cm.

In the archive:
3ds max 2012 Vray
3ds max 2012 Corona (ONLY BOX)
OBJ
FBX vray 2009
V-ray mat
Corona mat
Textures

Enjoy your use!