To 45 cms. Masses of purply blue flowers with darker veining from late spring. Very long flowering. Deeply divided leaves. Sun or light shade. Winter dormant.
To 80 cms. Forms a compact mould. Long stems bear large, frilly mid to deep lilac blue blooms summer to autumn, that are ideal for picking. Sun or part shade in containers or garden. Colours may vary.
Height to 25 cms. Frilly peach apricot semi-double flowers in spring. Sun or part shade.
To 75 cms. Largest growing form of G. oxonianum. Shiny green leaves with dark reddish markings. Small light pink flowers with magenta veins. Ground cover. Sun or shade. Winter dormant.
Height to 60 cms. Long spurred red flowers in spring. Sun and good drainage. Winter dormant.