Salvia uliginosa also is known as Bog Sage is a herbaceous perennial. It grows up to 2 meters or 6ft tall. This plant is native to South America and it produces spikes of blue flowers in late summer.
Salvia uliginosa is a deciduous clump-forming plant that can be propagated by cuttings in spring and summer. Grow it in fertile moist well-drained soil in full sun. The foliage is slightly sticky. Look out for slugs and snails.