We include the recommended Plant Hardiness Zones for each variety. These zones are differentiated by the lowest annual temperature averaged over a 30 year period and indicate how far north a plant can be grown outdoors year-round. You can find your zone on the map below.

Note: We have done our best to find the most accurate zone data for each variety, but there are many factors that affect the viability of a plant in your area. These zones should only be used as a guide regarding temperature and do not take into account other aspects such as precipitation, soil drainage or average daily sunlight hours.