Why Your Muscadine Vine Isn’t Producing Grapes: The Pollination Puzzle

Muscadine varieties either have perfect flowers (self-fertile) or female-only flowers that need a perfect-flowered partner nearby. ‘Cowart’ is perfect-flowered, but if your vine was mislabeled and is actually a female type, it will never set fruit without a pollen source. The tiny grapes that appear and then shrivel are a classic sign of insufficient pollination.

Solution: plant a perfect-flowered variety like ‘Cowart’, ‘Triumph’, ‘Nesbitt’, or ‘Carlos’ nearby. With cross-pollination, you should see a crop next year.