Everyone Says "Wait for Warm Soil" — Here's What Soil Actually Needs to Hit 60°F

https://www.stall-bookmarks.win/stop-evergreens-drying-out-what-you-ll-achieve-in-30-days

How my backyard experiment lost half its seedlings by planting too soon I’m going to be blunt: we all pretended that “last frost date” was the rule and started sowing when we felt optimistic