Q.black spots on plants and yellow leaves on the bottom
We just moved this past winter to a very rainy place and have planted our plants and tomatoes recently. Something is chewing on them and the tomatoes have black spots and the bottom leaves are yellow. The went from healthy tomato plants now to wilty sick looking things. Help.

Certified GKH Gardening Expert
There are several reasons for the spots and yellowing. These articles should help pinpoint the issue in order to fix it: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/early-blight-alternaria-tomato-leaf-spots-yellow-leaves.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm
I would recommend using neem oil for any pest problems. We have found it to be effective against most garden pests and it is organic. This article has more information: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm