This is my second year trying to grow tomatoes on my balcony. Last year went alright but had some end rot on my romas. This year all 3 of my tomatoes have leaves that are turning brown like this. Can anyone tell what would cause it?
this post was submitted on 03 Jun 2026
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You don't want to use that junk on tomatoes, especially in containers. You want a soil that is meant for outdoor containers OR raised beds. It should have a sandy consistency, and dry out easily between waterings every 2-3 days.
You also want a slow release fertilizer for tomatoes and vegetables plants. It's essentially processed and dried manure and other plants material that breaks up and feeds your tomatoes over 4-6 weeks at a time. During the summer you'll apply 2-3 times, and that will keep them pretty balanced on the nutrient front.
Looks to me the issue is the soil here here.