USDA Hardiness Zones What are the main differences between an Annual or Perennial? Annuals and Perennials vary depending on where you live. If you want a perennial, shrub, or tree to survive and grow year after year, the plant must tolerate year round conditions in your area, such as the...
more about hardiness zones the new map prefer the podcast version of the show? MY WEEKLY public-radio show, rated a “top-5 garden podcast” by “The Guardian” newspaper in the UK, began its 14th year in March 2023. It’s produced at Robin Hood Radio, the smallest NPR station in the...
Check out a simplified version of the official Natural Resources Canada Plant Hardiness Zone Map below, then go to theNatural Resources Canada websiteto find out which zone you live in! Natural Resources Canada Plant Hardiness Zones Map (simplified version), 2014. Click here to see the full Na...
aThe USDA plant hardiness map divides North America into 11 hardiness zones. Zone 1 is the coldest; zone 11 is the warmest, a tropical area found only in Hawaii, coastal Southern California and southernmost Florida. In between, the zones follow a fairly predictable pattern across the continent,...
the planting zones map produced by Natural Resources Canada considers a wider range of climatic variables, including maximum temperatures and the length of the frost-free period. However, theNRCalso produces a map that shows plant hardiness zones for Canada based on theUSDAextreme minimum temperature...