Geographical origin: Northern America.
Adult dimensions: Height up to 60 cm, width up to 60 cm.
Type of soil: Dry and well drained.
Hardiness: To be regarded as an annual if grown in the garden or a perennial if grown under glass or in mild temperate areas.
Site: Full sun.
Properties and uses:
The Common Vervain is a plant, which has aromatic foliage. Its light inflorescences, white to slightly lilac will be borne at the end of summer.
It is known to have numerous medicinal proprieties: in infusion (using the flowers), it is a diuretic, brings down fever, and helps digestion...