Meadowsweet

Filipendula ulmaria

Family: Rosaceae Part used: Aerial parts (flowers, leaves), dried

Key Compounds

• Salicin
• Salicylaldehyde
• Methyl salicylate
• Salicylic acid glycosides
• Spiraein
• Rutin
• Hyperoside
• Quercetin
• Luteolin
• Filipendulins
• Tannins
• Mucilaginous polysaccharides
• Vanillin

Traditional Use

• Anti-inflammatory and analgesic — salicin and related salicylate glycosides are metabolised to salicylic acid systemically; anti-inflammatory mechanism is COX inhibition; unlike pharmaceutical aspirin (acetylsalicylic acid), meadowsweet also contains mucilaginous polysaccharides and tannins that protect gastric mucosa; traditional European use for joint pain, fever, and headache
• Gastric and digestive protection — one of the most clinically supported herbs for gastric ulcers and gastritis; German Commission E approved for treating dyspepsia; the mucilage and tannin content buffers acidity and protects the mucosal lining; in the Eclectic and British herbal traditions, meadowsweet was specifically recommended when other salicylate treatments caused stomach irritation
• Fever management — diaphoretic action via salicylate pathway; warm meadowsweet tea promotes perspiration; traditional European use for fevers; mentioned in John Gerard's *Herball* (1597) for fever and headache management
• Historical Druidic use — meadowsweet was one of the three most sacred herbs of the Druids alongside water mint and vervain; used in ritual, in strewing (laying on floors for fragrance), and in herbal medicine; the sweet almond scent of the flowers is distinctive and was valued for fragrance in mead, wine, and ceremonial contexts
• Flavouring in mead and wine — meadowsweet flowers were used to flavour mead in Celtic and Anglo-Saxon Britain; the plant's old English names include 'meadwort' and 'bridewort' — mead-wort for its use in mead, bridewort for its use strewing at weddings; the sweet fragrance of the flowers persists after drying
• Aspirin name origin — the 1897 name Aspirin combines 'a-' (for acetyl) with '-spirin' (from *Spiraea*, the old genus name for meadowsweet); Felix Hoffmann at Bayer acetylated salicylic acid (first isolated from meadowsweet in 1838 by Raffaele Piria) to produce acetylsalicylic acid; the drug is named after the plant it came from, which was subsequently renamed to *Filipendula*

Aspirin is named after this plant.

The drug name Aspirin combines ‘A-’ (for acetyl) with ‘-spirin’ — from Spiraea, the old botanical name for meadowsweet. Felix Hoffmann acetylated salicylic acid at Bayer in 1897. Raffaele Piria had isolated salicylic acid from meadowsweet flowers in 1838 and called it Spirsäure — spiraea acid — in German. The drug kept the plant’s name after its formal taxonomy changed.

There is an irony in this history. By isolating the active compound and chemically modifying it, the pharmaceutical process removed the compounds that protect the stomach from salicylate irritation — the mucilaginous polysaccharides and tannins that are present in the whole plant. Aspirin causes stomach ulcers in a significant minority of users. Meadowsweet, which provided the salicylate, also contains the compounds that protect the stomach from salicylates. The drug named after the plant lacks a property the plant has.

Meet the plant

A tall perennial herb of wet places — riverbanks, fens, damp meadows, marshes. 60–120 cm, with cream-white clusters of small flowers that smell of almonds and sweet hay. The leaves are large, deeply pinnate, dark green above and silvery-hairy beneath. It grows wherever the soil stays moist.

The smell of meadowsweet flowers is distinctive and pleasant. You smell it before you see the plant.

The sacred Druidic herb

Meadowsweet was one of the three most sacred herbs in Druidic tradition, alongside water mint and vervain. The evidence for this comes from medieval Irish and Welsh manuscripts rather than from the Druids themselves, who left no written records. The plant was used in ceremonial contexts, strewn on floors and beds for fragrance, used to flavour mead (hence meadwort, or mead-herb), and carried at weddings (hence bridewort).

The fragrance alone explains the sacred status. The fresh flowers smell of almonds, honey, and new hay — a combination that is both pleasant and distinctive. It fills a field when in bloom. Strewn on a floor, it would scent an enclosed space for days. People who spent time with this smell would remember it.

John Gerard’s Herball of 1597 records meadowsweet for fever and headache. The 17th century herbalist Nicholas Culpeper prescribed it for stomach and intestinal complaints. Both are describing real effects that are now pharmacologically understood.

The stomach paradox

This is the central pharmacological story.

Pharmaceutical salicylates — aspirin in particular — cause gastric irritation because acetylsalicylic acid inhibits the prostaglandins that protect the gastric lining. This produces stomach irritation, ulcers, and occasionally serious bleeding. The aspirin warning about taking with food exists because aspirin directly damages the stomach.

Meadowsweet contains salicin and spiraein (salicylate glycosides that are converted to salicylic acid after absorption), plus mucilaginous polysaccharides that coat and protect the gastric mucosa, plus tannins with astringent gastroprotective activity.

The salicylate in meadowsweet reaches the bloodstream as salicylic acid via metabolic conversion in the gut and liver — never touching the stomach as an intact irritant. The mucilage and tannins actively protect the stomach lining the salicylates pass through. The whole plant is simultaneously an anti-inflammatory and a gastric protectant.

German Commission E approved meadowsweet specifically for dyspepsia. This is a drug that treats the symptom that the drug named after it commonly causes.

The chemistry

Salicylates: Salicin, spiraein, and other glycosides provide the anti-inflammatory backbone. Metabolised to salicylic acid systemically.

Tannins: Astringent, tissue-tightening, gastroprotective.

Mucilaginous polysaccharides: Gel-forming compounds that coat mucosal surfaces.

Flavonoids: Rutin, quercetin, hyperoside, and the filipendulins — anti-inflammatory and antioxidant.

Volatile compounds: Salicylaldehyde and methyl salicylate contribute to the fragrance and mild topical anti-inflammatory activity.

What people actually do with it

Tea (most common): 1–2 teaspoons dried flowers and leaves, steeped 10–15 minutes, 2–3 cups daily. For digestive support, drink after meals. For fever or joint pain, drink warm throughout the day. The flavour is pleasantly herby with a slight almond note.

Tincture: 2–4 mL, 3 times daily. More concentrated; used for joint inflammation and gastric conditions.

Combined preparations: Often combined with chamomile for digestive conditions, or with willow bark for joint support.

Caution for aspirin-sensitive patients: Meadowsweet contains salicylates. People with documented aspirin sensitivity or salicylate intolerance should avoid it.

Could you grow this yourself?

In damp conditions: readily. Meadowsweet requires reliably moist soil — the edge of a pond, a stream margin, or a consistently irrigated bed. In dry soil it fails quickly. In its preferred wet habitat it spreads vigorously and is essentially self-maintaining.

Harvest the flowers just before full bloom for highest salicylate content. The fragrance is strongest then and the flavonoid content is highest.

Meadowsweet (メドウスウィート) in Japan

セイヨウナツユキソウ (Western meadowsweet) grows in Japan in mountain habitats and as a cultivated ornamental. A native Japanese species, ナツユキソウ (F. kamtschatica), grows in mountain habitats in Hokkaido.

Meadowsweet is not a traditional Japanese medicinal herb and has no kampo application. It is known in Japan primarily through European herbal medicine literature and the aspirin connection — the etymology of Aspirin is cited in Japanese pharmacy and pharmacology education as the origin story of one of the world’s most widely used drugs.

The plant’s gastric-protective properties appeal to Japanese consumers familiar with the concept of whole-plant versus isolated-compound differences. Meadowsweet appears in European herbal formulations available in Japanese supplement retail.

Things you’re probably wondering

How did meadowsweet produce aspirin’s name? Raffaele Piria isolated salicylic acid from meadowsweet (then called Spiraea ulmaria) in 1838. Felix Hoffmann acetylated it at Bayer in 1897. Aspirin = A- (acetyl) + -spirin (Spiraea). The plant’s current genus name is now Filipendula, so the connection is no longer obvious from the Latin — but it is in the drug name.

Why doesn’t it damage the stomach like aspirin? The salicylates are in glycoside form (converted to salicylic acid after absorption, not in the stomach). The plant also contains mucilage and tannins that actively protect the gastric mucosa. The whole plant protects the tissue the isolated drug irritates.

Is it safe for people with aspirin sensitivity? No. Meadowsweet contains salicylates. People with known aspirin or salicylate sensitivity should avoid it.

Botanical details

The full compound list

See Also

• Yarrow — fellow salicylate-containing anti-inflammatory and wound herb
• Chamomile — often combined with meadowsweet for digestive inflammation
• Dandelion — complementary digestive bitter; different mechanism, same traditional use context

References

• Culpeper, N. (1653). The Complete Herbal. (Historical reference for 17th century use)
• Pearson, W. (1843). Ueber ein neues Derivat der Salicylsäure. Annalen der Chemie und Pharmacie. (Isolation of salicylates from meadowsweet)
• Perrault, A.L. et al. (2007). Anti-inflammatory effects of Filipendula ulmaria. Phytotherapy Research, 21(2), 160–163.
• Katanić, J. et al. (2016). Phytochemical analysis and in vitro and in vivo anti-inflammatory activity of Filipendula ulmaria. Journal of Ethnopharmacology, 193, 563–570.