Tomatoe leaves turning yellow

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neptunia2 Hayward, CA(Zone 10a) May 26, 2009

The bottom leaves of my tomato plant are turning yellow. Can someone tell me what I'm doing wrong?

Post #6600283
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Qinx Fredericksburg, VA(Zone 7a) May 27, 2009

I've experienced this on some of my leaves that are on the bottom of my tomatoes. Especially if they touch the ground.

A couple dying off seem to be normal especially on plants that are really bushy and sunlight isn't reaching the bottom leaves. If the entire plant is yellowing then it is a sign of over-watering.

Post #6603557
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feldon30 Houston, TX(Zone 9a) May 27, 2009

As long as you've got a thick layer of mulch such as pine straw, shredded leaves, or untreated pine bark, and you are watering the soil (such as with a soaker hose) rather than wetting the plants/leaves, then I would say it's just normal leaf dieback. I usually clean up the bottoms of my plants so there is little or no foliage 1 foot from the ground.

Post #6604526
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HoneybeeNC Charlotte, NC(Zone 7b) May 27, 2009

I remove the lowest leaves - up to but not including the first leaves that set blossoms. This helps keep fungus spores from splashing up onto the leaves, discourages pests from climbing, and lets the air circulate better.

I also put a heavy mulch around each plant.

Post #6604581
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