Gumweed (Grindelia robusta) is a resinous, aromatic perennial of the western prairies and dry slopes - its flower buds are encased in a distinctive sticky white resin before they open into bright yellow daisy-like flowers, giving the plant its common name. The whole plant carries a strong, medicinal-resinous fragrance that is immediately recognizable to anyone who has worked with it. It is an unusual and valuable herb that is genuinely difficult to find as a live plant.

Growing Information
Gumweed thrives in full sun and well-drained, dry to average soil. It is native to the western prairies and coastal areas of North America and is highly drought-tolerant once established. Plants reach 2-3 feet tall and bloom from midsummer through fall. It can behave as a biennial or short-lived perennial depending on conditions; allow it to self-seed for continuity. Excellent in dry, sunny spots where other plants struggle. Not suited to wet or heavy clay soils.

Traditional Use
Gumweed was used extensively by many Native American peoples of the plains and western regions, who recognized its distinctive resinous properties. It was quickly adopted by Eclectic physicians in the nineteenth century and became a significant plant in American botanical medicine during that period. Herbalists have traditionally valued the resinous flower buds and flowering tops, harvested when the flowers are just beginning to open and the resin is most abundant.

Care on Arrival
Water gently upon arrival and settle in a sunny, well-drained spot. Gumweed is tough and drought-tolerant but benefits from consistent moisture during initial establishment. Transplant after your last frost date into lean, well-drained soil. Do not plant in heavy or wet soil. Water during the first few weeks of establishment, then reduce frequency significantly - this plant is designed for dry conditions and overwatering is its primary threat.

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Gumweed pairs well with other western and prairie medicinal herbs. Echinacea shares its native prairie origins and folk herbal significance. Goldenrod and Wild Bergamot complement it in a native medicinal planting. For other resinous or aromatic medicinal plants, consider Elecampane and Mugwort.

At Zenobia's Garden, every plant is grown on our 8-acre farm in Perry County, Missouri - tended by hand with attention to soil health, plant vitality, and botanical integrity. We grow medicinal herbs because we believe in them, and we want the plants that leave our farm to thrive in yours. Questions about your order or your plants? Reach us at susan@zenobiasgarden.com - we're growers first, and we're happy to help.