You are being too good to them. Try some potash .
A low priced annual flower that can be added to any garden is the Fuchsia. The fuchsia will bring elegance to your garden. These petal filled blooms have a number of different shades, such as pink, red, and purple. Balsam is another old fashioned annual flower that blooms in a wide range of shades. This annual flower also self seeds, making it possible to enjoy the blooms for years. These two annual flowers are great options for cheap garden use.
The flowers, leaves, and root. Leaves should be harvested before the herb blooms, leaving at least two thirds of the foliage on the plant. The flowers should be harvested just as they open. And more . . .
roses
Blooms on a green bean plant look like small, pretty flowers.
Blooms are flowers--which create seeds. This is how trees reproduce.
Common milkweed flowers in June in zone 5. There are other types of milkweed that bloom later.Tropical milkweed flowers all summer. It blooms even after it has made seed pods. However tropical milkweed is an annual in most temperate growing zones.
Apples will not develop without blooms.
one can grow fruit and one blooms
Honeysuckle has white vines.
tulip
The flowers will brown if there is a freeze. some people pick the flowers and candy them by adding lots of sugar.
There are a couple of flowers that immediately come to mind. Rhododendrons have large flowers that can come in shades of red. Peonies also have red varieties. Rhododendrons grow on shrubs with woody branches. Peonies are bushy plants that can grow a couple of feet high. Their foliage begins to slowly die back shortly after the blooms have died. Added note: I'm sorry, I didn't see the word "rare" in your question. Neither the rhododendron nor the peony is rare.