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Avatar for eenamole
Jun 5, 2020 11:37 AM CST
Name: Eenamole S
Southern California
My tomato plant has lots of fruits and is ripening but the leaves are turning yellow. What is happening?

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Avatar for oneeyeluke
Jun 5, 2020 11:56 AM CST
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Birds Cat Lover Dog Lover Hummingbirder Organic Gardener
It ran out of nutrients in the soil and now sucking them out of the leaves. I would just let them finish because it will be over soon. They'll all turn red by next week.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
Avatar for eenamole
Jun 5, 2020 11:58 AM CST
Name: Eenamole S
Southern California
Does this mean the end for the plant after I harvest? Would adding fertilizer help?
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Jun 5, 2020 12:57 PM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
GROW ORCHIDS!!!
Bee Lover Lover of wildlife (Raccoon badge) Orchids Region: Michigan Hostas Growing under artificial light
Echinacea Critters Allowed Cat Lover Butterflies Birds Region: United States of America
I think that what is at play here is heat stress. The heat stress may be leading to damage from insects. And from what I see, I do not think that your watering nearly enough.

Fertilizer is a good idea but you can over do it. I don't see signs of that here. I just fertilize all of my container tomatoes, cherries, plums and beefsteaks, three times a season. That is all!!! But my containers are 25 gallon plastic tubs. Three cherries in each tub. One tub for each Beefsteak. AND when I water, I water!!! I have a feeling that your plants need water often and the smallish container deprives them of some of that needed water.
Good luck!!!👍
Taught classes on Orchids and Orchid growing and led hundreds of bird walks. Retired Wildlife Biologist.
Last edited by BigBill Jun 5, 2020 12:59 PM Icon for preview
Avatar for eenamole
Jun 5, 2020 1:28 PM CST
Name: Eenamole S
Southern California
Thank you! I will increase my watering.
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Jun 5, 2020 1:44 PM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
GROW ORCHIDS!!!
Bee Lover Lover of wildlife (Raccoon badge) Orchids Region: Michigan Hostas Growing under artificial light
Echinacea Critters Allowed Cat Lover Butterflies Birds Region: United States of America
Hey, you are welcome!
Good luck!🍀
Taught classes on Orchids and Orchid growing and led hundreds of bird walks. Retired Wildlife Biologist.
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Jun 5, 2020 2:33 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
What kind of soil did you use in your pots? Have you added any fertilizer? If so, what and how much?

Have you stuck your hand down into the soil on hot days to see what the temperature down there is?

How and how much do you water?
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
Avatar for eenamole
Jun 6, 2020 11:05 AM CST
Name: Eenamole S
Southern California
I used standard organic raised bed potting mix. I water every other day. Daily when the temperatures are high. It does look like it is outgrowing the pot. I should've pruned early on.
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Jun 6, 2020 5:20 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Did your organic soil have added nutrients? If not, have you fertilized?

Your tomato is suffering from a Phosphorous deficiency. If you haven't fertilized, I would suggest you find a well balanced fertilizer with micro nutrients. Use a slow release fertilizer or, mix what you have at half strength.

Pruning won't help unless you plan to pull it out of the pot and prune the roots also.

Keep an eye on soil temperatures. I don't think you have a watering problem or your tomatoes would be suffering from blossom end rot.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
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