If a plant size needs to be modified after it is loaded (adjust spread or height), it is a pretty quick to change make. See the various workflows below.
Quick Gifs:
click on the arrow to expand out and view
Modify Plant Width
Step-by-Step Guide: Change Width
Select the Plant Type
Click on Edit Type in the Properties Palette
Modify the parameter ‘WIDTH PLAN’
Click OK
Step-by-Step Guide: Change Height (Type)
Edit Type (repeat steps 1 and 2 above)
Modify the parameter ‘Height’
Click OK
Step-by-Step Guide: Change Height (Instance)
The default height parameter in all proposed plants is a Type parameter. This can be changed, but you must first modify the family via Edit Family.
Select the Plant
Modify the parameter ‘HEIGHT_I’
Note: if this parameter is grayed out, than it is still tied to the Type parameter ‘Height’.