Leaves brown for 3rd year in a row

When my mom gave me this plant it had green leaves and blue flowers. For the subsequent 3 years it had no flowers and had brown leaves. Not fertilized. No manual watering. Soil is slightly clay. South yard with trees…

Purple Leaves on Red Cherry Tomato Plant

My red cherry tomato plant’s leaves were purple when I went to check on them today, is there a natural explanation ? Also can I still eat the tomatoes off a purple leaf plant?(brief history – I use a community…