NO MATTER WHERE YOU LIVE
Your plant hardiness zone or growing zone will tell you which perennials can survive your winter cold temperatures.
Before you buy, do a quick search and make sure the perennial you're considering can be grown as a perennial in your location
Stores aren't always as ethical or knowledgeable about selling plants as they should be, so it's important to do your due diligence.
Sometimes perennials need a little extra TLC to survive in certain locations.
Extreme high temperatures can be a potential problem for some perennials, too
There are other climate conditions that you may need to consider for your perennials.
Focus on perennials that will thrive in the type of soil in your yard and gardens
Location, location, location. It dictates the success or failure of perennials.