Regularly harvesting the yellow pear tomatoes once they turn ripe encourages the plant to continue to produce more fruit. Is a higher number lower frost or greater frost times? You do not need to add fertilizer, it would help, but you could try adding some compost as most compost is rich in nitrogen compounds that the plants can use up. The death of leaves on a plant is quite natural and not a reason to worry. Note: When the curling of the leaves is caused by external stress factors, the plants often continue growing and outgrow the condition, allowing them to flower and fruit well. Question: Why are the leaves disappearing from the tomato plant branches? This will surely help. It appears right along with the new flowers, any ideas? If you notice that the new leaves or maybe all the leaves of your tomato plant are curling up it is recommended that you investigate your plant and its surroundings to determine the cause of the problem. Stephanie Das from Miami, US on October 31, 2011: Do you think that these tips apply to a lot of other plants, too? What is going on? This variety makes a vigorous plant, which bears enormous numbers of bright yellow, bit-sized fruit that has a deliciously tangy flavor. Hi Micki, this is a pretty common problem and can happen with large temperature fluctuations. A few days ago we watered them with some epsom salt, but I don't think it helped. Three days is also too quick for any disease to take effect provided the plants were healthy when you bought them. It is usually caused by irregular irrigation and bad pruning. Notice how the Tobacco Mosaic Virus causes the leaf to have patches of green mosaic that is yellowish but not yellow. Don't worry about it. Easy to grow, quirky and colourful These little fun sized tomatoes are easy to grow and are packed full of flavour and rich in vitamins. Not a very innovative name, the tomato yellow leaf curl virus (TYLCV) was identified in 2007 and there was an extensive program put out to educate farmers as its occurrence was common in greenhouses and not open gardens. If you want to flirt with disaster, grow tomatoes in this part of Florida (nematodes). Thank you. As long as the plant continues to grow healthily and produce fruits, you need not worry. If these are not conditions you could check off a list, the problem is something else entirely and it is very possible that I have not covered the issue, but it isn't root rot. I have a potted tomato that was over waist height. Brandon Lobo (author) on November 03, 2011: Hi WD Curry thanks for the great comment. I'm just 18 and looking forward to writing lots and lots here on hub pages. This lack of oxygen causes the plant tissue to die and eventually decay. Although symptoms vary, tomato viruses are generally recognized by stunted growth and a mosaic pattern on the leaves. I would focus on trying to figure out the cause of the new leaves coming out yellow. Caused by the fungus Septoria lycopersici, it attacks the foliage with a vengeance. If it's just the lower leaves that begin curling upwards on the edges, forming a cup, one possibility is that the soil is too soggy. In addition to this, there is also the root rot fungus that can be dormant in the soil but is activated by just one instance of overwatering. You may want to google methods to pollinate tomato plants manually. This can cause the leaves to yellow, and is really nothing to worry about. If you've already planted them into the ground, I would leave them there, they will recover soon enough. The way you describe it, it could potentially be wilt. Early blight, a fungus called Alternaria solani, appears on the lowest, oldest leaves first. The picture is of a pepper plant, but it's exactly the same as a tomato plant. It usually starts at the bottom of the plant with the oldest leaves and moves up. The only good thing here is the fact that it's easy to distinguish this occurrence of yellowing leaves. The soil is infected with a fungus. You could check out the list of points already covered earlier. It's been rainy, wet and humid, lately. I'm feeding once a week and watching the suckers etc. Maybe the sun dried the container out? If this is a problem that you've been seeing happen over and over again, you should look into varieties that are more resistant to this fungus. Fungal leaf spots often cause yellowing tomato leaves. You may notice some of the decayed sections of the root fall off. Planted Better Boy, Big Boy and Celebrity. It could be an imbalance of nitrogen, minerals, alkalinity, etc.... see below for diagnoses and solutions. My tomato plant is still growing and looks light green on the top of the plant. My tomato plants turned all yellow I think because of too much sun and white flies. Fungal attacks usually affect the entire plant at a time or go from the bottom to the top. Planted German Queen and Better Boy tomatk plants 3 weeks ago. Should the pots be rotated or is that detrimental ? A favorite of heirloom tomato gardeners for decades. Water on the ground and not from the top to be on the safer side, even if you've got mulch.