You can change the size of plants using type properties in a project. The updated plant size displays in 2D views, 3D views, and rendered images. 
Note: You can also specify the size of a plant in its family. 

Maple trees of different heights
 
To change the size of a plant in a project
- In a view, select a plant to modify, and click Modify | Planting tab
Properties panel
 (Type Properties). 
 
- If you want to change the height of all plants of this type in the current project, do the following: 
  
- In the Type Properties dialog, for Height, enter a value to indicate the new height of the plant. 
	 
 
- Click OK. 
	 
 
 
 
- If you want to change the height of the selected plant only, do the following: 
  
- Click Duplicate. 
	 
 
- Specify a name for the new plant type, and click OK. 
	 
 
- In the Type Properties dialog, for Height, enter a value to indicate the new height of the plant. 
	 
 
- Click OK.