Create any shape you like. In real life a hedge is made of a row of small plants. Build your hedges the same way with this tool.
Draw a spline and distribute the plants along the spline to build your hedges.
Any cloning tool capable of randomizing the distribution of the source plants, will be able to create hedges that show no repetition. Within Cinema4D this could be Mograph, Splinesplus or SplineSPREAD. Because of the small sections you can create sharp and round corners easily. Put the smaller plants 15 cm apart. The taller ones can be put at 25 cm from each other.
This collection contains three sets of 20 different plants. -height 60 cm, 3088 polygons per plant. -height 120 cm, 6154 polygons per plant. -height 180 cm, 10582 polygons per plant.
The plants have been created with Cinema4D R14 and are compatible with R12+. The Cinema4D version has regular Advanced Render materials and V-Ray materials. Presentation images have been rendered with VRayforC4D.