While many varieties are hardy in Zones 5 to 9, Zone 8 is one of the only environments that Spanish lavender (Lavandula stoechas) grows well in. Spanish lavender is unique from other varieties in ...

Comparing the 2023 map to the previous version from 2012 clearly shows that as climate change warms the Earth, plant hardiness zones are shifting northward. On average, the coldest days of winter ...

The warmest zone, 11b, is in Key West, Florida, where the coldest annual lows range from 45 F to 50 F. On the 2012 map, northern Minnesota had a much more extensive and continuous zone 3a.