viljelyvyöhykkeet
Viljelyvyöhykkeet, also known as hardiness zones or growing zones, are geographical areas that define the limits of plant survival and growth. These zones are primarily based on average annual minimum winter temperatures, which are a key factor in determining which perennial plants can successfully overwinter in a particular region.
The concept of viljelyvyöhykkeet originated to help gardeners and farmers select plants that are likely to
Different countries and regions have developed their own viljelyvyöhykejärjestelmät. In Finland, the viljelyvyöhykejärjestelmä is based on