Everyone Plants Too Early: What Soil Needs to Hit 60°F and Why That Matters
https://sticky-wiki.win/index.php/How_a_$15_Soil_Test_from_the_Extension_Office_Lets_Your_Boxwoods_Reach_Four_Feet_Wide
6 Essential Questions About Planting When Soil Is Cold You're not the only one who wants a head start. But planting when the soil is still cold is one of the most common mistakes home gardeners make