Salvia sagittata - 1 litre pot
(Arrow leaf sage). A herbaceous, slightly shrubby perennial with soft light green arrow-shaped leaves and dark woody stems carrying spreading inflorescences of gorgeous bright royal blue flowers. Flowers continue to appear at various times all summer long right into winter. Full sun to part shade. Cut back the woody stems after flowering, or in frost prone areas leave until spring. 70-100cm high and wide. 1 litre pot.