Geranium ‘Johnson’s Blue’ is a popular and well-loved perennial geranium cultivar known for its striking blue-purple flowers and attractive, deeply lobed foliage. This cultivar is a hybrid of Geranium himalayense and Geranium pretense. The plant typically forms a low-spreading mound, reaching a height of about 30cm and a similar spread.
The distinctive five-petaled flowers of ‘Johnson’s Blue’ appear in late spring to early summer, creating a profusion of vivid blue hues that stand out in garden. The blossoms have a delicate appearance and are held above the foliage on slender stems. The deeply dissected leaves are often deeply cut and may take on attractive reddish tones in the autumn, adding to the plant’s overall visual appeal.