Geranium × oxonianum explained

Geranium × oxonianum, the Oxford geranium, is a hybrid variety of flowering plant in the family Geraniaceae, which is a 1932 cross of garden origin between Geranium endressii and Geranium versicolor.^[1] Growing to 0.5m (01.6feet) tall by 1m (03feet), it is a highly variable plant with round palmate leaves and often veined flowers in various shades of pink. It can be invasive.^[2]

Hardy down to -20C or below, this tough plant is the source of several garden-worthy cultivars. The following have been given the Royal Horticultural Society's Award of Garden Merit:-

• 'A.T. Johnson'^[3]
• 'Beholder's Eye'^[4]
• 'Wageningen'^[5]

Notes and References

1. Web site: Geranium endressii x versicolor (G. x oxonianum) . Online Atlas of the British and Irish Flora . 13 July 2020.
2. Web site: Geranium × oxonianum . www.rhs.org . Royal Horticultural Society . 14 July 2020.
3. Web site: Geranium × oxonianum 'A.T. Johnson' . RHS . 14 July 2020.
4. Web site: Geranium × oxonianum 'Beholder's Eye' . RHS . 14 July 2020.
5. Web site: Geranium × oxonianum 'Wageningen' . RHS . 14 July 2020.