HerbLensGo Plus
← Plant library
Plant photo

Photo: Hectonichus, CC BY-SA 3.0 (via Wikimedia Commons)

✦ Free preview: full page unlocked

Alpine Sweet Coltsfoot

Adenostyles alliariae

Also known as Green Alpine Sweet Coltsfoot, Alliaria-leaved Adenostyles, Alpendost, False Butterbur of the Alps

At a glance
Family
Asteraceae (daisy family), tribe Senecioneae
Type
Herbaceous perennial, tall alpine herb
Parts used
Historically leaves (external poultice use only); not used internally today
Size
60 to 150 cm (2 to 5 feet) tall, with leaves up to 30 cm across
Bloom
Mid to late summer, June through August, in dense pinkish-purple flower clusters
Habitat
Subalpine and alpine tall-herb meadows, avalanche gullies, streambanks, and damp forest clearings across the Alps and neighboring mountain ranges, typically between 1,000 and 2,500 meters
Acquisition
Forage
This plant in HerbSense

Key benefits

Historic wound poultice
Traditional Alpine folk remedy
Old-world respiratory folklore
Pollinator support in the wild

Traditional uses

In the high pastures of the Alps, shepherds and villagers once gathered the broad, heart-shaped leaves of Alpine sweet coltsfoot to bind over bruises, blisters, and minor wounds, much as lowland communities used its relative, common coltsfoot. Its huge leaves and thick, hollow stems made it easy to recognize and easy to reach for in a pinch, high above the treeline where other soft-leaved herbs were scarce. Old Alpine herbals also mention it being steamed over for chest complaints, echoing the folk logic that a broad-leaved, moisture-loving plant would ease a damp cough. Today, herbalists regard these uses as historical curiosities rather than practices to revive, since the plant's chemistry tells a more cautionary story than its folklore does.

Growing guide

Sun
Partial shade to dappled light, mimicking the edge of subalpine woodland or a north-facing gully
Soil
Rich, consistently moist, humus-heavy soil; it thrives where water runs close to the surface
Water
Steady moisture throughout the growing season, never allowed to dry out
Planting
Best suited to cool-climate alpine, bog, or woodland-edge gardens at elevation or in northern latitudes; grown from divisions or fresh seed in autumn, and slow to establish in warm, dry gardens

Fresh to dried

Harvest
Leaves are traditionally gathered in mid-summer while still supple, before flowering coarsens the foliage
Drying
Leaves can be air-dried on screens in a shaded, well-ventilated spot, though drying does not remove the plant's pyrrolizidine alkaloids
Storage
Dried material keeps in a sealed, light-blocking container, though it is kept today mainly for pressed specimens or reference rather than use
Best forms
Fresh leaf for external, historical poultice reference only; the plant is not recommended in tea, tincture, or any ingestible form
Pairs well with
  • Arnica (Arnica montana)
  • Yarrow (Achillea millefolium)
  • Coltsfoot (Tussilago farfara)
Substitutes
  • Calendula, for gentle traditional wound care
  • Plantain (Plantago major), for a safer folk poultice
Choose it when

When the snowmelt runs cold down an Alpine gully and the slope turns suddenly, impossibly green, this is the giant-leaved plant that claims the ground first.

Did you know?

Alpine sweet coltsfoot is a keystone member of what botanists call the 'tall herb' or megaforb community, the lush green flush of oversized leaves that erupts on Alpine slopes within days of the snowline retreating, giving marmots, ibex, and countless insects one of the first real meals of the mountain summer.

Safety

Alpine Sweet Coltsfoot contains pyrrolizidine alkaloids, the same liver-damaging, potentially carcinogenic compounds found in comfrey and ragwort, so it is not used internally. Avoid it entirely during pregnancy and breastfeeding, and keep it away from children.