How to Plant Wine Grape Seeds
- 1). Remove the pulp from the grape seeds. You can do this by placing them on a paper towel or screen allowing them to dry for a week or two.
- 2). Stratify the grape seeds. Place them in a damp paper towel or peat moss and place this into a baggie. Store the baggie in the refrigerator for 2 to 3 months. Keep the paper towel or peat moss moist, but not soggy wet.
- 3). Fill pots with well-draining potting soil. The best kind to use is a special soil mix made for seed germination. You can find this potting soil at most garden supply centers.
- 4). Plant the seeds in the pots when the stratification period is over. Cover the grape seeds with 1/4 inch of potting soil. Gently firm the soil down so the seeds have good contact with the soil.
- 5). Water the pots well and then cover the pots with plastic. This will keep the humidity level high and help with germination.
- 6). Put the pots in a place where the temperature remains 70 to 75 degrees F during the day and an evening temperature of 65 degrees F. A heat mat works for this because it will keep the temperature constant.
- 7). Keep the soil moist, but not too wet.
- 8). Remove the plastic covering when you see the seeds have germinated. Place the pots in a window so they get sunlight.
- 9). Transplant the seedlings into a larger pot when they have grown their secondary leaves or are about 2 inches tall. Leave them to grow in this container for 1 year. Plant them outdoors when all danger of frost is gone.
Source...