I have lots of Geraniums, all types and colours, some seed around. Foxgloves (bees adore them), aliums, big poppies (not the annual ones), lavenders, rosemary, salvia, canterbury bells, sedums (again beloved by bees, and good for late summer), cornflowers, eryngiums, lungworts for early spring, forget me nots for now, pull them up every year, you will still have loads. Lots of herbs, oregano, marjoram, thyme, chive, mint, borage.
And..... roses, lots. Bush, old English, old fashioned, tea, climbing. Basically anything, anyone has ever given me, gets stuffed in the garden. Lots from David Austen. My personal favourite, although it only flowers once, is a big old bushy Dog Rose, single flower, pink, but just glorious. Really pretty, and subtle scent. Hedge trim it every year. No issues.