Leaves from chemically treated lawns

I’ve been sheet mulching (cardboard then soil) a few flower beds for spring on/over parts of my front lawn. I want to further cover them with fallen leaves but I’m finding myself a bit low on leaves this year (we…

Squash bugs and blueweed

Squash bugs are destroying my many vining plants–zucchini, pumpkins… What can I do to keep them off? I am also having trouble with blueweed, which is toxic to horses, in my pasture field.  What chemicals can I buy, not being…