Mugwort and St John's Eve: What the Old Sources Say
The documented mugwort custom of St John's Eve is a Central and Western European one, recorded mostly between the sixteenth and nineteenth centuries, and the oldest dated record in the main English-language compilation is a text of 1541. The much older Anglo-Saxon mugwort passages do not mention Midsummer at all. Sorting what is attested from what is repeated online is the whole job of this article, and everything below is reported as belief or custom, never as something mugwort does.
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Shop Now →What one compiler records, place by place
The fullest English-language gathering is James Frazer's The Golden Bough, third edition (1913), in two volumes of the part titled Balder the Beautiful (vol. 10 and vol. 11 on Project Gutenberg). Frazer is a compiler, not an eyewitness: each entry rests on a footnoted earlier source, and his explanations are his own interpretation. The table keeps his claims next to the source and date he cites.
| Where | What was recorded (as belief) | Frazer's cited source |
|---|---|---|
| Germany | Chaplets of mugwort and vervain worn at the St John's Eve bonfire, thrown into the fire as each person left with the words "May all my ill-luck depart and be burnt up with these" | Boemus, Mores, leges et ritus omnium gentium, Lyons, 1541 |
| Germany and Bohemia | Wearing a mugwort girdle is why the plant is called St John's girdle; in Bohemia such girdles are "believed to protect the wearer for the whole year against ghosts, magic, misfortune, and sickness" | Grohmann, 1864; Panzer, 1848-55; Zingerle, 1853, 1859 (quoting a seventeenth-century work) |
| Poitou, France | Girdles of mugwort or hemp worn at the midsummer fire "as a preservative against backache at harvest" | Pineau, 1892 |
| Normandy | Wreaths kept as protection against thunder and thieves; stalks said to hinder witches laying spells on butter | de Nore, 1846; Lecoeur, 1883-86 |
| Isle of Man | Mugwort gathered on Midsummer Eve "as a preventive against the influence of witchcraft" | Train, 1845 |
| Belgium | Bunches hung on stable and house doors, believed to bring good luck and to guard against sorcery | Reinsberg-Düringsfeld, 1861-62 |
| England and Germany | A coal said to lie under the mugwort root at one hour of one day; carried, it was believed to turn aside plague, lightning and ague (England) or to turn to gold (Germany) | Brand, 1882-83, quoting Lupton, Hill and Barbette; Montanus |
| East Prussia | Marriage foretold by bending two growing stalks and watching whether they lean together | Lemke, 1884-87 |
Two cautions follow from the table. First, the footnoted sources are mostly nineteenth-century collections of what villagers said, set down long after the fact; a custom "recorded in 1892" is not shown to be older than 1892. Second, 1541 is the earliest date Frazer gives for these midsummer mugwort customs (he also cites Du Cange, undated, for wreaths kept in houses), which is a statement about what he cited, not proof that nothing earlier existed. Frazer himself, in a footnote on mugwort, calls it a plant with "weak aromatic scent" and writes that "it is not easy to see why such an inconspicuous and insignificant flower should play so large a part in popular superstition." He identifies it as Artemisia vulgaris, and he glosses French "armoise" as mugwort in one footnote and as wormwood in another, so identification in these records is Frazer's, not a botanist's.
The English herbal that declined to repeat it
John Gerard's Herball (London, 1597; the Missouri Botanical Garden scan on the Internet Archive) lists "Sant Johanus Gurtell" among the names for mugwort in "high Dutch," beside "Beifuss," which is the girdle name again. On the same page (p. 946) he repeats, on Pliny's authority, that a traveller "that hath the herbe tied about him, feeleth no wearisomnes at all," and then breaks off: "Many other fantasticall deuises inuented by Poets are to be seene in the workes of the auncient writers, tending to witchcraft and sorcerie, and the great dishonor of God: wherefore I do of purpose omit them as things vnwoorthie of my recording or your reuiewing." That page says nothing about Midsummer. An English herbalist of 1597 gave the German girdle name and still left festival lore out; that is his editorial choice, not evidence that English villagers kept no such custom.
What the older texts do and do not say
The earliest English-language sources read for this article are Anglo-Saxon, in Oswald Cockayne's Leechdoms, Wortcunning, and Starcraft of Early England (Rolls Series, vol. 1, 1864; vol. 3, 1866). The Old English Herbarium entry that Cockayne headed "Mugwort" says the plant "puts to flight devil sickness (demoniac possession)" and, kept in a house, "forbiddeth evil leechcrafts, and also it turneth away the evil eyes of evil men." (The Herbarium has several artemisia entries; this is the first.) The Nine Herbs Charm in the Lacnunga, which opens by addressing mugwort ("Have a mind, mugwort, / What thou mentionedst ... Una thou hightest, / Eldest of worts" in Cockayne's 1866 rendering), is in British Library Harley MS 585, dated to the late tenth or early eleventh century by the Gneuss Handlist as summarised by DigiPal. None of those passages mentions St John, a bonfire or a midsummer date. The Midsummer link, in the sources actually quoted here, appears centuries later and in continental records first.
Translation is itself contested: Cockayne's "at the prime telling" and Benjamin Slade's 2002 facing-text translation ("at the mighty proclamation") render the same Old English line differently.
Reading the record, claim by claim
- "An ancient Midsummer herb." Mugwort is ancient in written record; its attachment to St John's Eve is documented from 1541 in Frazer's chain.
- "Worn for protection." Recorded as belief in several regions, with reasons that differ place to place (ghosts, thieves, backache, sore eyes, ill luck).
- "Burned in the fire." Recorded for German chaplets and girdles thrown on the bonfire, as a gesture of discarding ill luck; Frazer does not say whether the plant was fresh or dried, and a communal outdoor fire is a different thing from indoor burning (see the indoor burning post).
- Modern "St John's girdle" recipes. No source read here supplies a method; treat any specific instruction as the modern author's own.
If you want to make a garland as a craft
Cut mugwort is ordinary plant material, and a garland is a seasonal craft. The University of Connecticut's 2024 extension factsheet notes the pollen is a common cause of allergies and hay fever, so someone with plant allergy should ask an allergist before handling it indoors in flower. Identification matters, and the plant guide covers it. The sources above describe customs; they do not show that wearing or burning mugwort does anything, and the FDA's aromatherapy page (content current as of 2023-09-08) says that a product's intended use, judged from its claims, decides whether it is regulated as a cosmetic or a drug, and that a plant origin does not change that.
Nothing in this record concerns distilled oil. The custom was about the cut plant, and our oil is a different material. Our shop copy lists ritual and seasonal candles among intended uses, and our safety copy says to avoid use during pregnancy and to keep it from children and pets; for a seasonal candle project the ritual candle post is the craft route, and the folk magic history and folklore overview continue the story.
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Shop Now →Sources & Further Reading
- Frazer, J. G., 1913. The Golden Bough, third edition, Part VII, Balder the Beautiful, vol. 1 and vol. 2 (vols. 10 and 11 of 12), Macmillan. Project Gutenberg #43049 and #43433. gutenberg.org/ebooks/43433
- Gerard, J., 1597. The Herball, or Generall Historie of Plantes, London: John Norton, p. 946. archive.org/details/mobot31753000817749
- Cockayne, O. (ed. and trans.), 1864 and 1866. Leechdoms, Wortcunning, and Starcraft of Early England, vols. 1 and 3, Rolls Series 35. archive.org/details/leechdomswortcun03cock
- DigiPal, citing Gneuss, Handlist of Anglo-Saxon Manuscripts (G. 421). BL Harley 585. digipal.eu/digipal/manuscripts/996
- Slade, B., 2002. Woden's Nine Herbs Charm, from Lacnunga LXXIX-LXXXII, text and facing translation. heorot.dk
- Wallace, V., Siegel-Miles, A., Sowizral, K., 2024. Invasive Plant Factsheet: Common mugwort, EXT070. UConn Extension. extension.uconn.edu
- U.S. FDA, 2023. Aromatherapy (content current as of 09/08/2023). fda.gov/aromatherapy