Brand new gardener in need of some expert tomato help! I have several varieties of tomato in my garden, with one heirloom growing in the center. Unfortunately, the heirloom quickly started showing signs of Septoria or Early Blight (I think). I cut away as much foliage as I could justify (the entire plant is infected) without sun-scalding the existing fruit too badly. A a preventative measure, I started spraying all of my tomatoes with copper fungicide.

I see what I think is more leaf spot on two of the neighboring tomato plants (Better Boy and Early Girl), so I have been cutting the affected leaves as they show up. Because the fruit hasn’t been affected, I assumed it was Septoria. The problem I am having now, is that any new flowers (and the attached stems) get brown spots and fall off without growing new fruit. I haven’t had any new tomatoes on the plants in about two weeks, :(. It’s not an issue of pollination, as I have to wade through a sea of bees to get near them.

I am going to buy a soil test because I’ve begun to suspect a calcium deficiency, but I have not seen any blossom end rot and I used soil formulated for vegetable gardening when I planted (and water with tomato food every 2-3 weeks). The plants on the other side of the heirloom, the Lemon Boys, seem to be doing the best, but I still haven’t seen any new tomatoes (although no stem/flower browning).

Any ideas? I'm at a complete loss if the soil test comes back fine. Any help is greatly appreciated.

Current issue: brown stem spots and dying flowers

Flowers die whether or not the plant leaves have signs of leaf spot

So far the fruit seems unaffected by the stem browning