Put rose seeds in the refrigerator for two to four weeks to cold stratify..
Plant seeds 1/4 inch deep in warm moist soil.
Seeds will "normally" sprout in 6 to 10 weeks depending on soil temperature and conditions.
It can take up to several months for some rose seeds to sprout through the ground, germination times vary widely, Please be patient when germinating seeds and continue to maintain them. It will be worth your time.