Question: what is zone 5 for plants?
Answer: Hardiness zones are the USDA's general guidelines of the temperatures a plant can survive. Zone 5 plants can survive winter temperatures no lower than -20 degrees F (-28 C). If a plant is hardy in zones 5-8, it can be grown in zones 5, 6, 7 and 8. ... Continue reading to learn about the best plants zone 5 gardens.