First , let me wish you some good luck . It's not as easy as it would
seem .
Here's some online articles :
How to Grow Roses From Seed
Address:http://scvrs.homestead.com/hybridizekb1.html Maryland Rose
Society Online: Propagation by seed
Address:http://www.mgs.md.gov/mdrose/rfaq3seed.html
In the past two growing seasons I've had one sprout that went on to
become a flowering bush and I've tried a few dozen seeds.
Again , Good luck ,... Don,....