Hi. I stumbled upon this old post while browsing and thought I’d chime in on the home assistant plant monitoring convo. I love using technology to keep an eye on my plants and make sure they’re healthy and happy. Have you tried looking into solutions to improve the signal strength for your ESP32s? On another note, I recently came across succulentexperience.com that had a helpful article on why calla lilies might turn yellow. Just thought I’d throw that out there in case you or anyone else following this post might find it useful. Happy plant monitoring!
ESP-Now is an option, but you will have to program it yourself then and you will need something like a ESP-Now gateway also.