What do we know about heavy metals in soil? What do we know about lead exposure through soil and garden plants? What do we know about cadmium and arsenic in soils? What can I do if I’m at risk for heavy metals in my garden soil?
Framed or mounded, raised beds give plant roots the space they need
Gardening in raised beds has been a common practice for centuries. "Raised" means the soil level in the bed is higher than its surrounding, and "bed" implies it is small enough to work from the walkways.
Rooting tonics contain plant growth hormones used to stimulate root growth during plant propagation. They're easy to make at home.