Brunnera is rhizomatous perennial with soft, hairy, hear-shaped leaves. Variety Jack Frost has large, silver leaves with strong, dark green veins and clearly defined margins. Clusters of forget-me-not like blue flowers appear on about 20cm tall stalks in early to mid spring.

It does best in semi-shade or full shade which brightens up with its uniquely coloured leaves. It needs cool, humus-rich, well-drained, moist soil. Fully hardy to at least -34°C, possibly more (USDA zone 4).