Q: For years I’ve used manure from my horse to fertilize a big garden with ornamentals and vegetables. I was recently told that horse manure can contain herbicide residue not filtered out during ...

While the risk from these diseases transferring to your fruits and vegetables is low ... consider not repurposing backyard or farm manure in your garden while these threats are ongoing.

If plants start to flower before this, cut off the tops and dig in. Leave the green manure to decompose in the soil for up to four weeks before growing vegetables.