Here in the mid Willamette Valley, the climate is temperate enough to allow roses to bloom from around mid April until mid November. That's been the trend for my rose bushes, and the photo collage below shows blooms from nine different roses in my yard. All have fully opened blooms before the end of April.
• Row 1: These are three unnamed roses whose parent is a rose from Germany. I grew these roses from seed, so they are seedlings as well as siblings.
• Row 2: These full-blossomed roses were grown from seed obtained from one of my parent 'Queen Elizabeth' roses.
• Row 3: The first rose is another seedling from the 'Queen Elizabeth' parent, but it has only 5 petals. The second bloom is growing on a cutting that I took from my 'Red Galaxy' rose. The third rose bloom is on a seedling that happens to be a sibling of the 'Red Galaxy' rose. The sibling does not have the spotting on its bloom that is characteristic of 'Red Galaxy'.