Common Name: Vervain

General Information

Verbena officinalis is a perennial plant growing up to 1 metre tall.
The plant is often used in modern herbalism, where it has a wide range of applications. It is usually gathered from the wild both for local use and for sale, but is sometimes also cultivated.

Known Hazards

None known

Botanical References

, ,

Range

A worldwide weed in the temperate and tropical zones.

Habitat

Waste ground and roadsides, avoiding acid soils and shady positions[, , ].

Properties

Weed Potential	Yes
Edibility Rating
Medicinal Rating
Habit	Perennial
Height	0.60 m
Pollinators	Bees, Flies, Lepidoptera, self
Self-fertile	Yes
Cultivation Status	Cultivated, Wild

Cultivation Details

A very easily grown plant, it succeeds in any moderately fertile well-drained but moisture retentive soil in a sunny position[, ]. Plants are very tolerant of neglect and will maintain themselves for a number of years even when growing in dense weed competition[].
Self-sows freely when growing in a suitable position[]. The plant has spread around the world, accompanying human activity, and is a weed from the temperate zone to the tropics.
The growing plant attracts butterflies and moths[].

Edible Uses

Leaves - parboiled, seasoned and then eaten[].

The leaves are used as a tea substitute[, ].

The flowers are used as a garnish[].

Medicinal

Vervain, which has tonic and restorative properties, is sometimes used as a domestic herbal remedy. It is useful when taken internally in the treatment of headaches, fevers, nervous exhaustion, depression, gall bladder problems, insufficient lactation etc[, ]. It should not be given to pregnant women, though it can be used to assist contractions during labour[]. Externally, it is used to treat minor injuries, eczema, sores, neuralgia and gum disease[].
The leaves and flowering stems are analgesic, antibacterial, anticoagulant, antispasmodic, astringent, depurative, diaphoretic, mildly diuretic, emmenagogue, galactagogue, stimulant, tonic and vulnerary[, , , , , , , ]. The plant is harvested as flowering begins in the summer and dried for later use[, ].
Some remarkable results have been obtained when using this plant in the treatment of certain tumours, but further research needs to be carried out before definite claims can be made[].

The root is astringent, it is used in the treatment of dysentery[].

This species was ranked 12th in a Chinese survey of 250 potential antifertility plants[].

The plant is used in Bach flower remedies - the keywords for prescribing it are 'Strain', 'Stress', 'Tension' and 'Over-enthusiasm'[].

Other Uses

None known

Propagation

Seed - sow early spring in containers and only just cover the seed. Germination should take place within 3 weeks. Prick out the seedlings into individual pots once they are large enough to handle and plant them out when large enough.
If you have sufficient seed, it can also be sown in situ.
Division, preferably in the dormant season. Larger divisions can be planted out direct into their permanent positions. We have found that it is best to pot up smaller divisions and grow them on in light shade until they are growing away well.
Basal cuttings. Harvest the shoots with plenty of underground stem when they are about 8 - 10cm above the ground. Pot them up into individual pots and keep them in light shade until they are rooting well.

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