Can roses be grown from seeds?
Can Roses Be Grown From Seeds
Certified GKH Gardening Expert
Here are a couple links to articles that should get you on the right track. https://www.gardeningknowhow.com/ornamental/vines/trumpet-vine/propagate-trumpet-vine.htm
Please be advised that some of the places offering rose seeds on-line are scams. What they ship you can be weed seeds or small clumps of organic matter that will not grow into anything. Make sure your seed source is a reputable company with good customer reviews.