What is the longest flowering perennial in the UK?
Geranium. Probably one of the longest flowering garden plants, hardy geraniums start flowering around may, and continue to october, depending on the variety. One of the longest flowering varieties is geranium ‘johnson’s blue’ (illustrated) which is also attractive to bees. Sneezeweed. Yellow sneezeweed is the longest-blooming variety of its species. There are many varieties of sneezeweed, but this yellow sneezeweed is the longest-blooming of them all.
What is the flower for September and October?
September: aster and morning glory. October: marigold and cosmos. November: chrysanthemum. December: narcissus and holly. September has two birth month flowers, the morning glory and the aster. Which means another pretty flower to add to your bouquet. Yay! Asters are wonderfully vibrant wildflowers, ranging from white and red to pink and yellow.