Check these first
- What colour are the spots, and do they have a yellow halo?
- Are there concentric rings or a mosaic pattern?
- Are the spots only on leaves, or also on stems and fruit?
Most likely causes
From the pests and diseases recorded for this plant, the ones whose symptoms match, most serious first. Symptoms alone rarely confirm a cause, so use the linked page to check the signs and treatment.
Bacterial Speck
Small dark brown spots ringed by a yellow halo form on the leaves, and heavy infection burns off the whole leaf. Fruit carries scattered black pinpoint specks.
How to identify and treat: Bacterial SpeckBacterial Canker
Leaf margins scorch and die back, and splitting the stem reveals browned vascular tissue. Scabby, bird's-eye lesions form on fruit and shoots.
How to identify and treat: Bacterial CankerTomato Mosaic Virus
Light and dark mosaic appears on the leaves, which narrow, twist and crinkle. Fruit ripens unevenly and browns internally, cutting both yield and quality.
General description; not specific to this plant.
How to identify and treat: Tomato Mosaic VirusOther possible causes
Show the other 14
- Tomato Spotted Wilt — Brown necrotic spots and ring patterns appear on the leaves and the growing tips shrivel a…
- Gray Mold — Water-soaked brown lesions form on flowers, fruit and leaves, densely covered by a fuzzy g…
- Late Blight — Dark green water-soaked lesions appear on the leaves and expand quickly into brown dead ti…
- Tomato Leaf Mold — Pale yellow indistinct patches form on the upper leaf surface with a velvety gray-brown mo…
- Tobacco Mosaic Virus — New leaves show a clear light-and-dark green mosaic, become wavy and stay small. Growth st…
- Bacterial Spot — Small water-soaked spots appear on the leaves, later turning brown with yellowing around t…
- Cucumber Mosaic Virus — New leaves show a yellow-green mosaic, crinkle, and the whole plant becomes stunted. Fruit…
- Potato Virus Y — Mosaic, crinkling and vein necrosis appear on the leaves and the lower leaves die back. Th…
- Powdery Mildew — White patches appear scattered on the upper leaf surface at first, then the whole leaf is …
- Anthracnose — Light brown to dark brown round lesions with sharp margins form on leaves and fruit, sligh…
- Brown Leaf Spot — Small light brown to gray-brown spots form on the leaves and enlarge into irregular lesion…
- Ring Rot — The bark of branches and trunk becomes rough and warty, serving as the inoculum source. Fr…
- Leaf Spot — Small round brown to gray-white lesions appear on the lower leaves, the centers turning gr…
- Root-lesion Nematode — Elongated blackish brown necrotic lesions form on the root surface and fine roots rot away…
Other symptoms on this plant
What other growers did about it
A page like this one can tell you what cherry tomato leaf spots is and what to try. What it cannot tell you is what actually happened to someone who had it on the same plant, at the same point in the season, and what they did next.
Gadenin is a free garden journal built around that. You photograph the plant, tag what you are seeing, and the entries line up by date for each plant you grow.
- Tag the problem and the app tells you how many other growers have logged the same thing on the same plant.
- Growers who make their records public can be followed, so you can read what they did and how it turned out.
- Next season your own entries come back at the same point in the year, so you check the plant before it starts.
Free on iPhone. Recording, tagging and reading public records cost nothing.