Isotoma petraea (Rock Isotome)

15cm, Rock Isotome is an annual floriferous species with numerous bright sky-blue to white flowers with narrow petal above strongly serrated oval leavs. It is native of sunny spots in rock crevices in Western Australia. Easily grown in any rich, well drained soil in a sunny spot in the garden. Sow in pots in spring at some 20°C, transplant to the final spot after the last freezing nights. V-VIII.
50 seeds per package.