Good find Trevor
For items such as this, I have provided Global Editing in Ideas Genie:D
The many and very various Cultural Requirement and Properties of plants are defined using the program GA003 under Setup tab.
Hardiness is a perfect example, as it is a very much regional thing and Hardiness grades (and their definitions) in the UK are totally different to those in the US.
These definitions are then used as explained in this demo:
http://www.ideasgenie.co.uk/demo9.htmlWith that solution, a user can set up their own Hardiness Grades for ANY region or ANY country.
If you (and other members) can have a look at the Master Database you will find I have already added three Culture Grades, one for UK, one for RHS AGM plants and one for US.
There are four grades in my UK definitions which relate to the old Frost Tender, 1 Star (*), 2 Star (**) and 3 Star (***) standards found in most good Reference books.
Now, as you have made us aware, there are nine