US map shows warmer planting conditions: “A federal “plant hardiness” map used by millions of gardeners was updated Wednesday for the first time in two decades, revealing many areas where the coldest day of the year isn’t as cold anymore.”
US map shows warmer planting conditions: “A federal “plant hardiness” map used by millions of gardeners was updated Wednesday for the first time in two decades, revealing many areas where the coldest day of the year isn’t as cold anymore.”