Tomato leaves can curl for 4 common reasons – an expert grower reveals simple, fast fixes for each to keep plants healthy and preserve your harvest

Red ripe tomatoes growing on the truss of a plant.

Growing tomatoes can be simple and full of delights, from seeing the first yellow flowers appear to picking that first ripe tomato from the plant. However, there are some not-so-welcome sights, and that includes tomato leaves curling.

Tomato leaf curl is a common issue among growers worldwide. It can result from various factors, including weather, watering issues, pests, diseases, and nutrient deficiencies. The good news is that most cases can be easily prevented or treated, especially when identified quickly.