Test the seeds before planting. Put the seeds in water and discard the seeds that float. Seeds that float may be hallow. The plump, heavier seeds that sink in the water have a better chance of survival.\n\nPurchase a flat container for planting the seeds. This will need to fit into your refrigerator. Consult with your gardening center to choose the best flat for your needs.\n\nMix equal parts sand, soil and peat moss. Consult with your gardening center, as they may have a pre-made mixture that you can purchase. You will need enough to fill the flat.\n\nFill the flat with the sand, soil and peat moss mixture.\n\nPlant each rose seed ?-inch deep and space seeds 1 inch apart.\n\nPlace the flat in the refrigerator; the desired temperature will be about 40 degrees F. Keep in the refrigerator for about three months to germinate.\n\nRemove the flat from the refrigerator and place in a sunny window, where the room temperature is between 65 to 70 degrees F. Water lightly. Do not overwater, and do not allow the soil to get overly dry. Transplant the heartiest of seedlings to the garden the following spring.