A tuberous perennial, up to around 2.5m tall, with heart-shaped leaves, hairy beneath, up to 15cm or more long. Flower spikes, often drooping and horizontal to the main stem, comprise deep blue flowers, up to 2cm long, with green calyces and blue-tinged bracts and are borne from late summer into autumn
Position
Soil Types
Max Height
1.5-2.5 metres
Max Spread
1-1.5 metres