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Geranium X ‘Johnson’s Blue Family - Geranium - Hardy Geraniums Geranium Johnson’s Blue is a hybrid between G. himalayens and G. pratense. It was developed in England in the 1950’s. It will grow to about fifteen to eighteen inches tall and has blue flowers which are almost two inches in diameter and is very free flowering. Flowering occurs in mid June here in southeastern Indiana. Johnson’s Blue is, like most of the hardy geraniums, fairly pest free. Sometimes Japanese Beetles will riddle the foliage, but then they riddle just about everything in the perennial garden. It is not too particular about soil, and will grow in full sun to partial shade. Geranium Johnson’s Blue grows somewhat upright, but will trail over a wall a bit. The green foliage is attractive, even when the plant is not in bloom. It is usually best to cut back the old foliage and spent blossoms when bloom is finished. The foliage will grow back out and look fresh and green the rest of the season. Seed set on Johnson’s Blue is very light and since it is a hybrid, it probably would not come true from seed anyway. So the best way to propagate it, like most of the perennial geraniums, is by division in fall or spring. I prefer to do it in the fall, usually in mid to late September. |
