Mom says "look into broadleaf pesticides used to grow the hay, be careful where you put it." Know your supplier.
Hay and manure can be tainted with broadleaf pesticides and these will contaminate the soil and kill plants for years to come. Many recent reports online of experienced gardeners having a really hard time growing because contamination and years to clean up. To do a soil test, grow some beans. These come up fast and are sensitive, so will show harm if should.
It's a shame because manure great for garden and now must be careful about sourcing.
