"Remember, Mugwort, what you revealed, what you established at the great proclamation. You were called Una, oldest of herbs."
These words were written over a thousand years ago in Anglo-Saxon England. They come from the Lacnunga, a 10th-century collection of healing remedies, charms, and prayers—and they place mugwort (Artemisia vulgaris) at the very beginning. First among nine sacred herbs. The oldest.
That's quite a title for an unassuming roadside plant that most people walk past without a second glance. But mugwort has earned that reputation across thousands of years, multiple continents, and nearly every spiritual tradition humans have practiced. Let's dig in.
The Basics: What Is Mugwort?
Mugwort is a perennial herb in the Artemisia genus (same family as wormwood and sagebrush). It grows wild throughout Europe, Asia, North Africa, and North America—basically everywhere humans have lived. The leaves are green on top with a distinctive silvery-white underside, and the whole plant has an earthy, slightly bitter, sage-like scent.
The name "mugwort" likely comes from its ancient use as a flavoring in fermented drinks—it was the bittering agent in beer before hops took over. You literally drank it from mugs. The scientific name Artemisia connects it to Artemis, the Greek goddess of the moon, the hunt, and women's mysteries.
That lunar connection runs through everything mugwort does.
The Chemistry: What's Actually in Mugwort?
Before we get into the mystical, let's talk about what's measurably, provably present in this plant. Mugwort contains:
Essential oils including:
- Thujone — A compound that acts on GABA receptors in the brain. At high doses it's toxic (this is the compound that gave absinthe its dangerous reputation), but at the trace amounts found in mugwort tea or infused products, it appears to have mild consciousness-altering effects. Thujone may reduce deep sleep while increasing the lighter sleep stages where vivid dreaming occurs.
- 1,8-Cineole — Also found in eucalyptus and rosemary. Anti-inflammatory and antimicrobial.
- Camphor — Stimulating, warming, helps with blood circulation.
- Borneol — Calming properties, traditional sedative use.
Other compounds:
- Flavonoids (including apigenin and quercetin) — Antioxidant and anti-inflammatory
- Sesquiterpene lactones — Anti-inflammatory and antimicrobial
- Coumarins — Affects blood clotting
The exact composition varies wildly depending on where the plant grows, what time of year it's harvested, and which species of Artemisia you're working with. This is why traditional herbalists insisted on harvesting at specific times—they were essentially trying to standardize potency before anyone knew what "standardization" meant.
The Dream Connection: Why Does Everyone Say Mugwort Enhances Dreams?
This is mugwort's most famous modern use, and the science is... interesting.
Mugwort has been classified as an oneirogen—a substance that produces or enhances dream-like states of consciousness. Traditional cultures across the world have used it for exactly this purpose: vivid dreams, lucid dreaming, prophetic visions, dream recall.
Here's what we think is happening:
Thujone is a GABA-A receptor antagonist. GABA is the brain's primary "calm down" neurotransmitter. When something blocks GABA, you get increased neural activity. At toxic doses, this causes seizures. At trace doses? Possibly increased brain activity during sleep—specifically during REM sleep, when most vivid dreaming occurs.
Additionally, mugwort's aromatic compounds may affect the olfactory bulb, which connects directly to the limbic system (emotion and memory). Scent can influence dream content—studies have shown that pleasant smells during REM sleep correlate with pleasant dream experiences.
The honest answer is that rigorous scientific research on mugwort's dream-enhancing effects is limited. Most evidence is anecdotal. But that anecdotal evidence stretches back thousands of years across dozens of unconnected cultures, which counts for something.
Mugwort in Witchcraft and Pagan Practice
If you're talking to practitioners of modern witchcraft, mugwort is fundamental. It's sometimes called "the witch's herb" and shows up in:
Dream pillows and sachets: Dried mugwort placed under the pillow or near the bed to enhance prophetic dreams. This practice is centuries old in European folk magic.
Flying ointments: Medieval records mention mugwort as an ingredient in salves that witches allegedly used to "fly." These were likely psychoactive preparations applied to the skin. Whether actual travel occurred is... theologically contested.
Smoke cleansing: Burning mugwort to purify a space before ritual work. It's become a popular alternative to white sage for those concerned about overharvesting.
Divination support: Drinking mugwort tea or burning it as incense before tarot readings, scrying, or other intuitive work. The idea is that it "opens the third eye" and enhances psychic receptivity.
Protection during astral travel: Mugwort is believed to protect the spiritual body during out-of-body experiences or journeying work.
The goddess Artemis gives the plant its Latin name, and that lunar, feminine, wild-hunt energy infuses its magical use. It's associated with the Crone aspect of the Triple Goddess, with Hecate (goddess of crossroads and magic), and with liminal spaces—boundaries, transitions, the veil between worlds.
Elemental association: Earth
Planetary association: Moon, Venus
Chakra: Third Eye, Crown
Mugwort in Christian History
Here's something that surprises people: mugwort has deep roots in Christian folk practice too.
During the Middle Ages, mugwort was known as Cingulum Sancti Johannis—"the Girdle of St. John." Legend held that John the Baptist wore a belt of mugwort while in the wilderness, and the plant's protective power came from that association.
St. John's Eve (June 23): This was the day to harvest mugwort in medieval Christian Europe. Crowns woven from mugwort were worn for protection against evil spirits, demonic possession, and disease. The herb was gathered at dawn and brought to church to be blessed.
In Germany and Holland, mugwort is still sometimes called "St. John's Plant" (not to be confused with St. John's Wort, which is a completely different herb).
The interesting theological angle here is how easily Christian practice absorbed existing pagan uses. The same plant that druids considered sacred became blessed by priests. The same protective properties attributed to Artemis became attributed to a saint. The herb didn't change. The framing did.
Mugwort in Traditional Chinese Medicine
On the other side of the world, mugwort (known as Ai Ye in Mandarin) has been central to Chinese medicine for thousands of years. Its primary use? Moxibustion.
Moxibustion involves burning dried, aged mugwort on or near specific acupuncture points. The practice may predate acupuncture itself—medical historians believe moxibustion came first, and needles were added later.
The Chinese character for acupuncture (針灸) literally includes the character for moxibustion. They were always meant to go together.
Moxibustion is used to:
- Warm meridians and expel cold
- Stimulate blood circulation
- Strengthen qi (life energy)
- Turn breech babies (there's actually some clinical evidence for this one)
During the Dragon Boat Festival, Chinese households hang mugwort over their doors to drive away evil spirits and prevent disease—a practice with obvious parallels to European St. John's Eve traditions.
Mugwort in Other Cultures
Native American traditions: Various tribes used mugwort for dream work, protection, and to ward off ghosts. The Chumash of California rubbed mugwort leaves on the body as protection from supernatural harm.
Japan: Mugwort (yomogi) is a culinary herb used in mochi (rice cakes) and other traditional foods. It's also used in traditional baths for its warming properties.
Korea: Called ssuk, mugwort appears in soups, teas, and the creation myth itself—the goddess Ungnyeo ate mugwort and garlic for 100 days to transform from a bear into a human woman.
Roman soldiers: Placed mugwort in their sandals to prevent tired feet on long marches. The plant was considered protection for travelers of all kinds.
The Anglo-Saxon Nine Herbs Charm
The Lacnunga, written around 1000 CE, contains one of the most fascinating pieces of early English medical literature: the Nine Herbs Charm. It's a blend of Christian prayer and Germanic paganism, invoking both Christ and Woden (Odin) in the same breath.
Mugwort comes first:
"Remember, Mugwort, what you revealed,
What you established at the great proclamation.
You were called Una, oldest of herbs.
You have power against three and against thirty,
You have power against poison and against infection,
You have power against the loathsome foe roving through the land."
The nine herbs were mixed with soap, ash, and apple juice to create a healing salve. The charm was sung three times over each herb and over the patient's mouth, ears, and wound.
That title—"oldest of herbs"—wasn't given lightly. The Anglo-Saxons believed these plants were gifts from Woden himself, and mugwort was the most powerful of them all.
The Psychology: Why Ritual Plants Work
Here's where I get personal.
I don't believe mugwort has supernatural powers. I don't think burning it literally opens portals to other dimensions. But I do think it works, and here's why:
The chemistry is real. Thujone affects brain function. Aromatic compounds influence mood and memory. These aren't placebo effects—they're measurable physiological responses.
Ritual creates intention. When you take time to light a candle, burn an herb, set up a space, you're telling your brain "pay attention, this matters." That focused state is powerful. Athletes call it "getting in the zone." Psychologists call it "flow." Whatever you call it, it's real and it changes outcomes.
Tradition provides structure. Thousands of years of humans using mugwort for dreams isn't just superstition—it's accumulated practical wisdom. Not everything our ancestors believed was correct, but they weren't stupid. When dozens of unconnected cultures arrive at the same practice, there's usually something to it.
Belief participates in reality. This is the part that makes skeptics uncomfortable, but: what you expect to experience influences what you actually experience. If you believe mugwort will enhance your dreams, and you use it intentionally before sleep, you're more likely to remember your dreams, pay attention to them, and find meaning in them. Is that the herb working or your belief? Does it matter?
How I Use Mugwort in My Candles
When I infuse mugwort into beeswax, I'm capturing those aromatic compounds—the essential oils, the terpenes, the scent that's been associated with dream work for millennia. As the candle burns, those compounds release into the air.
The infusion process matters. Mugwort needs specific temperatures to extract properly—too hot and you destroy the volatile compounds that carry its effects. Too cool and you don't extract them at all. I infuse at 160°F for about an hour, which preserves the plant's character while bonding it to the wax.
What you get isn't a drug. It's not going to give you hallucinatory visions or guaranteed lucid dreams. What it does is create atmosphere. Intention. A scent your brain learns to associate with a specific kind of mental space—receptive, intuitive, open to whatever wants to come through.
Whether that's the plant working, your mind working, or something more... that's between you and your beliefs.
Safety Notes
Do not use mugwort if you are pregnant. This is non-negotiable. Mugwort has been used historically to induce menstruation and as an abortifacient. The same properties that make it effective for menstrual regulation make it dangerous during pregnancy.
Do not use while breastfeeding. Thujone can pass through breast milk.
People with ragweed allergies may react to mugwort. They're in the same plant family (Asteraceae). If you're highly allergic to ragweed, approach mugwort cautiously.
Don't consume large quantities internally. Thujone is toxic in high doses. Tea made from mugwort should be weak and not consumed daily for extended periods.
Burning mugwort in a candle produces trace amounts. This is significantly different from drinking concentrated tea or using essential oil. The dose makes the poison—and in a candle, the dose is quite low.
Final Thoughts
Mugwort has been called the oldest of herbs, the witch's herb, the dreamer's herb, St. John's Plant, the mother of herbs, and cronewort. It's been used on every inhabited continent by cultures that had no contact with each other, all arriving at remarkably similar conclusions about what this plant does and how to use it.
Maybe that's coincidence. Maybe early humans were just pattern-seeking primates attributing magic to random plants.
Or maybe they were paying attention to something real—something we're only beginning to understand through neurochemistry and sleep research. Something our ancestors knew in their bones before they had words for REM cycles and GABA receptors.
Either way, when you light a mugwort candle before bed and set an intention to remember your dreams, you're participating in a practice that stretches back to the Iron Age. You're doing something humans have always done: reaching toward the invisible with the help of the green world.
That's worth something, regardless of your beliefs about what's actually happening.
Sweet dreams.
— Debra
Shop our Mugwort | Dreams candle, Moonlit Path | Intuition blend, or Quiet Mind | Mental Peace blend — all featuring real mugwort infused into pure beeswax.
References
Scientific & Medical Sources
- Ekiert, H., Pajor, J., Klin, P., et al. (2020). "Significance of Artemisia vulgaris L. (Common Mugwort) in the History of Medicine and Its Possible Contemporary Applications Substantiated by Phytochemical and Pharmacological Studies." Molecules, 25(19), 4415. PMC7583039
- National Center for Complementary and Integrative Health (NCCIH). "Mugwort: Usefulness and Safety." National Institutes of Health. nccih.nih.gov
- Pelkonen, O., Abass, K., & Wiesner, J. (2013). "Thujone and thujone-containing herbal medicinal and botanical products: Toxicological assessment." Regulatory Toxicology and Pharmacology, 65(1), 100-107.
- Silva, J.R.A., et al. (2004). Chemical composition and antibacterial activity of Artemisia vulgaris essential oil. Flavour and Fragrance Journal.
- Tigno, X.T., et al. (2000). "Blood pressure lowering effects of Artemisia vulgaris." Journal of Ethnopharmacology.
- Albert-Puleo, M. (1978). "Mythobotany, pharmacology, and chemistry of thujone-containing plants and derivatives." Economic Botany, 32, 65-74. Springer
Dream Research & Neuroscience
- Barrett, D. & McNamara, P. (Eds.). (2012). Encyclopedia of Sleep and Dreams. ABC-CLIO. (Classification of mugwort as an oneirogen)
- Sá, R.C.S., et al. (2024). "Neuropsychopharmacological Induction of (Lucid) Dreams: A Narrative Review." Brain Sciences. PMC11119155
- Schredl, M., et al. (2008). "The effect of pleasant and unpleasant odors on dream recall." Journal of Sleep Research. (Study on scent influencing dream content)
Historical & Traditional Medicine
- Grieve, M. (1931). A Modern Herbal. Dover Publications. (Medieval uses, St. John's Girdle reference)
- Pollington, S. (2000). Leechcraft: Early English Charms, Plant-Lore and Healing. Anglo-Saxon Books. (Nine Herbs Charm translation and analysis)
- Cameron, M.L. (1993). Anglo-Saxon Medicine. Cambridge University Press.
- Pettit, E. (2001). Anglo-Saxon Remedies, Charms, and Prayers from British Library MS Harley 585: The Lacnunga. Edwin Mellen Press.
- Kaptchuk, T.J. (2000). The Web That Has No Weaver: Understanding Chinese Medicine. McGraw-Hill. (Moxibustion and TCM use of mugwort)
- Hobbs, C. (2024). "Mugwort." Herbal Therapeutics Database. christopherhobbs.com
Moxibustion Research
- Coyle, M.E., Smith, C.A., & Peat, B. (2012). "Cephalic version by moxibustion for breech presentation." Cochrane Database of Systematic Reviews, (5), CD003928. PubMed
- Cleveland Clinic. (2022). "Moxibustion: What Is It and Does It Work?" health.clevelandclinic.org
Folklore, Magic & Religious History
- Illes, J. (2004). The Element Encyclopedia of 5000 Spells. Element Books. (St. John's Eve traditions, protective uses)
- Valiente, D. (1962). Where Witchcraft Lives. Aquarian Press. (Modern witchcraft use of mugwort)
- Bremness, L. (1988). Herbs: The Visual Guide to More Than 700 Herb Species. Dorling Kindersley.
- Foster, S. & Duke, J.A. (2000). A Field Guide to Medicinal Plants and Herbs of Eastern and Central North America. Houghton Mifflin.
Original Historical Texts
- Lacnunga (c. 10th-11th century). British Library Harley MS 585. (Contains the Nine Herbs Charm in Old English)
- Dioscorides, P. (c. 50-70 CE). De Materia Medica. (Early Greek documentation of Artemisia uses)
- Bald's Leechbook (c. 9th century). British Library Royal MS 12 D XVII. (Anglo-Saxon medical text referencing mugwort)
Cultural & Culinary Sources
- Kim'C Market. (2025). "Mugwort: Korea's Ancient Herb for Modern Wellness, Cuisine, and Beyond." kimcmarket.com
Note: This article synthesizes traditional knowledge with modern research. Traditional uses are presented for educational purposes and do not constitute medical advice. Always consult a healthcare provider before using any herb medicinally, especially if pregnant, nursing, or taking medications.
