The plant smart can only be used in the United States and US Territories, such as Puerto Rico and Guam, that use a United States zip code.

The software needed to get data from your plant smart requires a United States Zip Code to be able to gather data about the climate and growing conditions in the area where you will be planting. If you do not have a United States zip code you will not be able to use the Plant Smart as the unit will not be able to gather data about growing conditions in your area without this information.