I have a customer growing tomatoes in a greenhouse, and the leaves are curling. Any ideas as to why this happening?
Tomato Plant Leaves Curling
Certified GKH Gardening Expert
There are several reasons this could be happening. The most likely and harmless is temperature fluctuations. This article can give you some other possibilities: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-leaves-curling.htm