Tomato Plants
Q.

What causes black spots on tomato plant leaves

Zone Florida | B14660 added on July 12, 2015 | Answered

We have heat resistant plants.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on July 13, 2015

Hot damp weather is usually the issue. Temperature fluctuations and or lack of air circulation can also be issues.
Watering from above can also cause fungus issues.
Improper planting and lack of crop rotation can lead to fungus and disease.

Here are links with more information.

https://www.gardeningknowhow.com/edible/vegetables/tomato/early-blight-alternaria-tomato-leaf-spots-yellow-leaves.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-plant-problems.htm

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