The vine losing itâs leaves, is preparing to go into dormancy and this is when energy is accumulated for next yearâs growing season. Please can anyone tell me why the leves on my grapevine are wilting? This plant has been introduced as a common crop thousands of years ago. The best control is cultural, picking up the infected fruit and leaves and disposing of in trash. Just wondering the possible reason why the grape vine leaves are dying. There is no apparent diseas, just wilting leaves. The fresh leaves looks fine, though a bit yellowish. Preventing Problems in Grapes. I am new to growing vines â¦ They have lots of pea-sized grapes but the leaves and green vines are turning brown and show no signs of growth. Gazing up at the vines, however, you notice that some are dead or dying. This is only apparent on one branch. Grapevines have specific cultural requirements. In the picture you sent there are small circular discoloring on the leaves with a darker circle around it. What could cause this? Learn how to take care of grapevine issues and be prepared to apply treatments quickly. Other grape species may grow in colder climates. The symptoms are oil spots and a moldy cover or bright green spots found on the leaves. Between mid-May and late autumn, the aerial parts of the plant can become infected, particularly when the temperature is below 65°F. The grape vine is a creeper, its leaves are big and webbed, placed on both sides of the stems. 17-06-2008, 08:44 AM. This fungi vine disease can destroy grapes and vine vegetation. The rustle of the grape leaves in the breeze is a soothing end to a long day at work. Below is a link with more information regarding black rot. Question: I have had a grape vine for the last six years. The first year when I planted it, I didn't get grapes but years 2, 3, and 4 I had lots. Thanks. My grape vines appear to be dying in mid-season. Grapes vary in hardiness: common grape (Vitis vinifera) grows in U.S. Department of Agriculture plant hardiness zones 5 to 9, although this varies by cultivar. Where the winters are cold, it is normal for a grape vine to loose itâs leaves and many newbie home grape growers, think there is something wrong with the vine or the vine is dying. They remind me of a plant which has not been watered. Rarely do grapevine pests or disease kill a vine, but it helps to have information on preventing problems in grapes so the harvest will be robust. Plant the grapevine in a bright, sunny spot with well-draining, â¦ Improper cultural practices make the plants susceptible to fungal diseases that thrive in wet and humid climates. Grapevines thrive in warm areas with full sunlight exposure. Here is some pictures. It appears as though your Grape may have black rot, a fungus that affects grape vines. Since ancient times, the grapes have been used to produce wine. The grape vine is a creeper plant which is part of the Vitaceae family. Any suggestions to cure the vine? Wilting leaves on my grape vine.