The USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023. The maps below show these planting regions.

Local News Chicago urban farm Growing Home helps with sustainability effort at DNC, sees continued benefit By Tara Molina Updated on: August 26, 2024 / 6:25 PM CDT / CBS Chicago ...

The treatment gives the seed a chance to germinate and grow in damp soil. It’s done much more often to vegetable seeds than flower seeds, and particularly to slow-germinating or large seeds.