These are about 50 species of woody, evergreen shrubs, they will smell when crushed. The flowers will appear during the spring and summer they are trumpet-like with 2 lips, they will bloom in green, white, blue and purple, and even red and yellow. You can propagate by seeds in the spring or by semi-ripe cuttings in late summer.
Microclimate
Sun
Shelter
Aspect
Hardiness
Drainage
Moist conditions
Soil Type
Fertile, well drained soil, with moderate fertility.