Burdock
Arctium minus · also: lesser burdock, common burdock, bardane
ripe nowGreens🗓 Fall (first-year root); early spring of year two📍 1 on map (0 confirmed)
How to ID it
- Huge rhubarb-like basal leaves, dull green above and woolly white-felted beneath
- First-year plant is a low rosette with no flower stalk
- Second-year plant sends up a tall branched stem tipped with the unmistakable hooked burrs
- Crushed root and leaf smell distinctly of burdock (gobo)
⚠ Safety & lookalikes
- Toxic lookalike at the rosette stage — foxglove (Digitalis), whose leaves can be fatal. Tell them apart: burdock leaves are dull, deeply veined, woolly-white beneath, and smell of burdock; foxglove leaves are toothed and lack that felt and scent.
- When unsure, wait for the burrs — they're unmistakable and confirm the plant.
- Dig roots only where the soil is clean and untreated; roots concentrate whatever's in the ground.
Harvest
The prize is the first-year taproot — this is the gobo of Japanese cooking. Find a leafy rosette with no flower stalk and dig deep in the fall of its first year, or in the spring of year two before it bolts; once the burr stalk shoots up the root turns woody. It’s a long, stubborn root, so bring a spade and lever from the side. Young leaf stalks (petioles) are edible too — cut before the plant flowers.
Prep
Scrub the root, then peel off the bitter skin; the pale core discolours fast, so drop it in acidulated water. Slice or shave and braise, stir-fry, or add to soups — earthy and sweet. Peel leaf stalks of their stringy skin and simmer like a mild vegetable.
Notes
Burdock is a biennial: a rosette the first year, burrs the second. The felted white leaf underside plus the burdock smell separate it from toxic foxglove. Common on disturbed ground, alleys, and vacant lots across Montréal.
Guides & links
Updated 2026-08-09