15+ Perennial Plants Zone 6 Background. Usda hardiness zone 6 runs across the united states, ranging from eastern washington, down into northern texas and then up into maine. Perennial plants die back during fall and winter months, and bloom again during spring and summer months.
The usda hardiness zone map divides north america into 11 separate planting zones;
Shop perennial flower seeds and plants from the most trusted name in home gardening. If you aren't sure about your hardiness zone, click on the link under the search box that says find hardiness zone, and enter your zip code. If the map that displays your zone appears inaccurate, you may be in a microclimate. Hosta are top shade loving perennials that can be grown from a bare root.
