Complete LabPP_Landscape comes with a convenient template sheet plants.
To use it, use regular means of ARCHICAD.
Start the dialog "customize" and click "Import".
In the dialog that appears, navigate to the directory Your distribution LabPP_Landscape, locate the file "List of plants in the project (LabPP_Landscape).xml".
This statement will appear in the list.
Place the objects on the layer "Plants Layer".
From this layer the list is creating.
Of course, You can always reconfigure the regular means of ARCHICAD and the layer name and add columns, etc.

Automatic plants list in ARCHICAD
For more information about import schedule scheme read this