Basil brown edges of leaves and dying. Hi, I grow a lot of basil indoors in my office in Ireland. I had one plant and I have grown many more from cuttings. Recently, the basil has started dying. The leaves become brown around the edges, then die. I have used potassium fertiliser on them very recently (I thought potassium deficiency might be the problem) and I have also used some strong stuff to get rid of green flys: dimethoate, it says on the label.
The tomatoes varieties that existed when tomatoes were first cultivated were yellow or orange. Through breeding, the standard color of tomato plant varieties is now red. While red may be the predominate color among tomatoes now, that doesnât mean that there arenât other colors of tomatoes available. Letâs look at a few.
The appearance of yellow leaves on your tomato plant is usually not a death sentence. However, it does mean that your plant has a problem in need of attention and correction. Tomatoes need nitrogen; their leaves will turn yellow without it. Mix some compost or used coffee grounds in with the soil to determine if a lack of nitrogen is the problem. If the bottom leaves of your tomato plant turn yellow, it's probably lacking in important nutrients. It may not be getting adequate sunlight.