I'm assuming this is an old wives tale, but when prepping space to plant asparagus, I've been told to add old nuts and bolts (metal) to the soil before creating the bed. Is there any truth to this?
Certified GKH Gardening Expert
I would choose to steer clear of this method. This article will help with the planting and growing of asparagus plants: https://www.gardeningknowhow.com/edible/vegetables/asparagus/planting-asparagus-how-to-make-an-asparagus-bed.htm