Ask a Question forum: What is wrong with my tomato plants? I'm stumped.

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invisiblegirl
Jul 11, 2016 12:37 PM CST
Hi folks. Can you help me figure out what's wrong with my tomato plants?? Three of the four have these problems. They're planted in separate, very deep containers. Symptoms:

* On older leaves: Brown edges bleeding into yellow.
* Stems turning yellow and falling off.
* Young leaves are small and weak.
* Plant is growing very slowly.
* Some of the flowers are shriveling and turning brown.
* The ripening tomatoes have yellow tops.

I've attached a picture of one of the leaves. Please help. This is driving me nuts.

Thumb of 2016-07-11/visitor/d2352d

Name: Robyn
Minnesota (Zone 4a)
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robynanne
Jul 11, 2016 1:13 PM CST
try looking at these: http://www.haifa-group.com/knowledge_center/crop_guides/toma...

It seems like maybe a nutritional deficiency of some kind maybe? Those are different kinds and examples of what that would look like in the link.
Name: Robyn
Minnesota (Zone 4a)
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robynanne
Jul 11, 2016 1:26 PM CST
Maybe potassium?

invisiblegirl
Jul 11, 2016 4:11 PM CST
Thanks. I thought Potassium too, so going to try adding fertilizers...
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jul 11, 2016 4:29 PM CST
Are you growing these plants indoors or outside? What is your location/zone/climate/city/state? Thank You!
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Weedwhacker
Jul 11, 2016 6:40 PM CST
Welcome to NGA, @invisiblegirl !

What type of growing medium is in your containers? Are the plants in full sun? Receiving adequate water? What is the temperature like where you are? (Lots of factors that can influence the health of your plants!) Might also be helpful if you could post a photo showing the entire plant. Smiling
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Name: Rita
North Shore, Long Island, NY
Zone 6B
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Newyorkrita
Jul 12, 2016 12:47 PM CST
I agree Difficult to tell from the picture if it is a fungal issue or nutritional.
Name: woofie
NE WA (Zone 5a)
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woofie
Jul 12, 2016 1:16 PM CST
And are they getting adequate water in those containers? Containers can fool you; you think you're providing plenty of water, but it just all runs out the bottom.
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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Jul 12, 2016 2:38 PM CST
How about a picture or two of the entire plants, please? We also need to know where you are on the planet, regarding what the weather has been like.

If you haven't used any fertilizer before, you really need to feed tomato plants a lot so that is your weak, yellow, slow growth problem. These are heavy feeders that need lots of water, especially in containers. Sometimes my tomatoes need deep watering twice a day in hot weather.
Elaine

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