YardMate
English
Download
Common Vervain (Verbena officinalis), whole plant
  • Common Vervain — close-up of leaves and flowers
  • Common Vervain — seasonal appearance
  • Common Vervain in a garden setting

Common Vervain

Verbena officinalis

Easy · Beginner friendly

About Common Vervain

Verbena officinalis, common vervain, is a slender perennial herb native to Europe and naturalized across temperate regions. It grows 30-80 cm tall with wiry branching stems, lobed leaves, and delicate spikes of tiny pale lilac flowers. Modest in appearance, it has an outsized cultural life: Druids gathered it ceremonially, Romans used vervain boughs to purify spaces, and European folklore wove it into amulets and love charms. It grows in sun and well-drained soil, self-sowing gently in meadows, roadsides, and waste ground. Vervain also has a long place in Western and Chinese herbal traditions under the name ma bian cao, but its garden presence is quiet rather than showy: a thread of myth carried on wiry stems.

  • Medicinal
  • Drought-tolerant
  • Cold-hardy
  • Native
WATER
Moderate
Average water
LIGHT
Full sun
6+ hrs direct
HARDY
Hardy to -30°F (-34°C)
USDA hardiness zones 4–8

How to care for Common Vervain

Watering

  • Springevery 5 days
  • Summerevery 4 days
  • Fallevery 7 days
  • Winterevery 14 days

Soil · Well-draining

  • Top dressingPine bark mulch10%
  • Main mixPotting soil + perlite 2:170%
  • DrainageLECA / gravel20%

Never skip the drainage layer — standing water is the top cause of root rot.

FERTILIZER

  • Springevery 45 days
  • Summerevery 45 days
  • Fallevery 60 days
Get watering reminders for Common Vervain — free on iPhoneDownload on the App Store

At a Glance

  • NativeEurope, Western Asia
  • Height2–3 ft (0.6–0.9 m)
  • Spread1–2 ft (0.3–0.6 m)
  • Flower colorPurple, Pink, White
  • Foliage colorGreen
  • SoilLoamy, Well-drained
  • LocationsYard

Bloom time

BLOOM CYCLE

Peak bloom

Jun–Aug

J
F
M
A
M
J
J
A
S
O
N
D

Let flower spikes develop fully for self-seeding; deadhead if a tidier look is desired.

Fragrance

LIGHT FRAGRANCE

The foliage has a mild subtle aroma.

Toxicity

Humans Slight · Pets Slight

verbenalin and iridoids

Slight

  • All
  • Ingestion

EXPOSURE Eating any part of the plant.

EFFECT Large ingestion may cause vomiting and traditional tea amounts safe.

NOTE Generally regarded as safe in traditional doses; avoid in pregnancy.

Slight

  • All
  • Ingestion

EXPOSURE Eating any part of the plant.

EFFECT Mild GI upset.

NOTE Generally regarded as safe in traditional doses; avoid in pregnancy.

Slight

  • All
  • Ingestion

EXPOSURE Eating any part of the plant.

EFFECT Mild GI upset.

NOTE Generally regarded as safe in traditional doses; avoid in pregnancy.

Educational information, not medical or veterinary advice. If exposure is suspected, contact a doctor or veterinarian.

DISTRIBUTION

Common Vervain · Native
  • Native
  • Introduced
  • Europe
  • Western Asia

History

Illustrated historical scene for Common Vervain

Verbena officinalis is native to Europe and western Asia and was one of the most symbolically charged herbs of the ancient and medieval world. Roman writers associated it with sacred altars and purification, while later European traditions linked it with protection, divination, and peace-making.

In Christian legend, vervain became connected with the wounds of Christ, which deepened its reputation as a holy herb. Medieval herbals and early pharmacopoeias listed it for fevers, digestive complaints, and nervous conditions, though modern medicine treats those traditions with caution.

The plant itself is modest: thin stems, small lilac flowers, and a wiry habit that can be easy to overlook. Its history is the opposite, a long record of ritual importance out of all proportion to its visual size.

Symbolism & meaning

What It Symbolizes

Common Vervain is the most magically charged herb in Western tradition, used by Druids, Romans, and medieval witches alike, and so it has long embodied enchantment, spellcraft, and sacred power. Roman ambassadors carried sprigs of it as a sign of good faith, giving it a second meaning of peace and reconciliation. It is often read as a flower of charged diplomacy, a plant whose meaning braids magic and treaty into a single sacred herb.

  • Enchantment — The most magically charged herb in Western tradition, vervain symbolizes spellcraft and sacred power
  • Peace — Roman ambassadors carried vervain as a sign of good faith, making it a symbol of reconciliation

Where the Name Comes From

Verbena comes from Latin, originally a general term for sacred altar plants; 'officinalis' marks apothecary tradition. English 'vervain' comes through Old French.

Uses & Fun Facts

  • Classic nervine herbal tea for stress and sleep
  • Sacred herb in Druidic, Roman, and folk traditions
  • Tiny lilac flowers attract bees and small butterflies

Related plants

More Verbena plants

Plants with similar care

Frequently asked questions

How often should I water Common Vervain?

In summer, water about every 4 days; in winter, about every 14 days. Adjust for heat, pot size and drainage.

How much light does Common Vervain need?

Full sun: 6+ hrs direct. Watch the leaves — scorching or stretching means the light needs adjusting.

Is Common Vervain toxic to cats or dogs?

Pets Slight (Dogs Slight · Cats Slight) Educational information, not medical or veterinary advice. If exposure is suspected, contact a doctor or veterinarian.

Is Common Vervain easy to grow?

Yes — it is considered an easy, beginner-friendly plant.

When does Common Vervain bloom?

It typically blooms Jun–Aug in the Northern Hemisphere.

YardMate

Identify any plant in seconds

Snap a photo — YardMate names the plant, diagnoses problems, and reminds you when to water.

Download on the App Store
YardMateIdentify · Diagnose · Remind
Download