Have you ever wondered what is meant by the US hardiness zones included on a plant seed packet or description? The USDA’s Hardiness Zone Map has …
source

ویکی چه به دنبال پاسخ به سوالات از منابع معتبر و قابل استناد است.
Have you ever wondered what is meant by the US hardiness zones included on a plant seed packet or description? The USDA’s Hardiness Zone Map has …
source