Salvia is a Mexican native plant from the mint family.
It grows up to one metre high and bears its flowers on an upright stick.
The flowers have shades of blue to purple although many other varieties of the plant exist with more than 900 species.
They thrive in low-water gardens as a mass colourful bedding. They produce flowers during summer and autumn. There are varieties of Salvia that bloom during spring and winter and quiet down during the summer.
It needs pruning to the ground every year after flowering.
Watch this video for more information.