I just got 124 rose seeds. And I want to know how and when to germinate.
der der der. I've done a lot of online reading, but I know how unreliable the Internet can be. It seems as though this is a really reliable website.
Rose seed has a very hard coat. I tried several times scarifying seeds. After a half dozen years of trials scarification does little to increase or speed of germination.
Rose should probably be cold stratified outdoors
over the course of a winter. The person who reads this and interprets it to mean in a refidgerator, is also going bring their seeds in and out of the fridge daily, because it is the cycle of warming and chilling, not mere cold or freezing.
The longer seed is dried the longer it takes to get seed to germinate.
IMO pick 'em, and plant 'em.
Sometimes seed will stay dormant through an entire growing season and germinate the second year. So-o-o discard your spent germinating pans where they can sit undisturbed. You might just get a second at- bat.
I grew mostly rosa rugosa, but over the years if I ran into a good cellar hole rose, I'd come back and pick hips in the fall.