Burdock
Arctium lappa
perennialFunctions
Plant Monograph
Bold architectural foliage with massive heart-shaped leaves (up to 50cm wide) creating dramatic textural statements. Towering 2-meter purple thistle-like flowers and hooked seed heads provide strong vertical structure and winter interest. Excellent for wild gardens and forest edges.
Design Role
Bold architectural foliage with massive heart-shaped leaves (up to 50cm wide) creating dramatic textural statements. Towering 2-meter purple thistle-like flowers and hooked seed heads provide strong vertical structure and winter interest. Excellent for wild gardens and forest edges.
Herbalistic
This information is for educational purposes only. Always consult a qualified healthcare professional before using any plant medicinally.
Root renowned as blood purifier and lymphatic cleanser, used for skin conditions like eczema and acne. Contains inulin, mucilage, and arctigenin with anti-inflammatory and antibacterial properties. Traditionally used as diuretic and to support liver function. Seeds used in Chinese medicine for sore throats.
Kitchen
Young first-year roots are a prized vegetable (gobo in Japanese cuisine), with sweet, earthy flavor when cooked. Peeled young stems can be boiled and eaten like asparagus. Roots can be roasted as coffee substitute. Rich in dietary fiber and minerals.
Ecology
Biennial plant supporting numerous pollinators including bees, butterflies, and hoverflies. Seeds provide food for goldfinches. Large leaves create beneficial microclimates for ground-dwelling invertebrates. Deep taproot helps break up compacted soil.
Identification
Never consume a plant based solely on written descriptions or illustrations. Consult a local botanist when in doubt.
First year produces rosette of large, wavy-edged heart-shaped leaves, woolly underneath. Second year sends up branched stems 1-2m tall. Purple-pink thistle-like flower heads July-September, surrounded by hooked bracts. Distinctive spherical burs persist through winter.
Building & Timber
Not applicable - herbaceous plant with no woody tissue. Strong fibrous stems historically used for paper-making.
Curiosities
The hooked burs inspired George de Mestral to invent Velcro in 1948. Japanese cultivation has produced roots over 1 meter long. Name derives from 'bur' (prickly seed head) and 'dock' (large-leaved plant).