Geranium × oxonianum (Cranesbill, Hardy Geranium)

Plant Profile

Geranium × oxonianum is a hybrid hardy geranium (cranesbill) resulting from a cross between G. endressii and G. versicolor. It forms a vigorous, spreading mound of deeply lobed, mid-green leaves. In early to midsummer, it produces a profusion of pink to magenta, veined flowers over a long period. Many named cultivars exist; this represents the species hybrid.

Key Characteristics

• Family: Geraniaceae (jer-ay-nee-AY-see-ee)
• Genus: Geranium (jer-AY-nee-um)
• Species: × oxonianum (oks-oh-nee-AH-num)

Growing Conditions

Full sun to part shade, moist, well-drained soil. Hardy in USDA zones 4–8. Tolerates a wide range of conditions.

Landscape Uses

Excellent groundcover for borders, woodland edges, and underplanting. Long bloom season.

Maintenance

Shear back after main flush to encourage rebloom and fresh foliage. Divide every few years. Can self-seed.