I’ve chosen a rugosa to show the rosebud to rosehip stages as their tomato-like hips are so beautiful and easily recognised. Other wild roses (known as species roses) follow the same process, although it’s more common for roses that produce large amounts of hips to flower once per year.
Wild roses usually have just five petals and lots of stamens. In double roses, some or all of the stamens have mutated into extra petals so the fullest flowers produce little pollen and rarely form hips. This means modern garden roses can put more of their energy into repeat-flowering: dead-heading or summer pruning those will help too.
I know many regular readers will be very familiar with this, but thought it would be nice to show the bud to seed process in pictures for those who are not. Shared for Cee’s Flower of the Day.