Planting Isn’t About the Date: Why Your Soil Needs to Reach 60°F Before You Commit

https://www.hotel-bookmarkings.win/how-county-extension-soil-testing-went-from-15-walk-ins-to-an-entirely-different-model-in-march-april

When Backyard Gardeners Trust the Calendar: Jenna’s March Mistake Jenna planted her tomatoes on a warm March weekend because the calendar said "last frost passed" and her neighbor had already planted