Three tomato plants in individual pots. Planted several weeks ago and added marigolds to look nice. Plants were doing really good, growing healthy looking tomatoes, then leaves started turning brown and withering. Plants now look bad but the center stalk looks good. Tomatoes are plentiful but are a light green.
Tomatoes in Pots Not Doing Well
Certified GKH Gardening Expert
Check the moisture in the soil. Container plants need daily water and even twice a day when temperatures are above 80 degrees.
The soil should be light and well draining. Verify that the container has adequate drainage holes.
Here are some links to refresh you on the care requirements.