Tomato leaves curl because of transplant shock, disease, too much nitrogen, or extreme amounts of moisture or drought. Curling leaves are evident on vine tomatoes more often than on bush tomatoes. More » Home & Garden Gardening & Landscapes

Leaves on tomato plants curl upward because of several reasons, including viral infections, an effort to resist the excessive moisture when the conditions are excessively cool and moist and an effort to conserve water du... More »

Viral infections and wind damage contribute to tomato leaves curling, reports Gardening Know How. Physiological conditions including extreme temperatures cause tomato leaves to curl up. Although the exact cause of this c... More » Home & Garden Gardening & Landscapes Outdoor Plants & Flowers

Tomato blight is a fungal growth that affects the leaves and fruit of the tomato and potato plant. It generally begins on the leaves. While difficult to control once it reaches the fruit, there are some steps to prevent ... More »

According to Gardening Know How and Home Guides, tomato leaves turn yellow for many reasons, including: a lack of nitrogen in the soil, lack of water, pest problems or magnesium deficiency. Minor yellowing during the gro... More »

According to the Chicago Tribune, jade plants may lose leaves unseasonably because of a lack of nitrogen in the soil, from not getting enough sunlight or from being too wet or dry. Jade plants also are often attacked by ... More »

Yellowing leaves can be the result of insufficient sunlight, underwatering the plant, a lack of nitrogen or magnesium in the soil, or a disease. Tomato leaves may turn yellow for a variety of reasons, and a few yellow le... More » Home & Garden Gardening & Landscapes Outdoor Plants & Flowers