Mountain Tansy Mustard (Descurainia incana) is a hardy plant native to northern regions of North America, including Alaska, Alberta, British Columbia, and parts of Canada such as Manitoba and Ontario. This member of the mustard family thrives in diverse habitats, from dry and moist soils to light sandy, medium, or heavy clay conditions. Known for its edible leaves and seeds, it is often found growing in full sun to partial shade. Standing up to 1 meter tall, this forb/herb can be either an annual or biennial, making it a versatile addition to gardens and landscapes. Native to the northern regions of North America, Mountain Tansy Mustard is adaptable and can be found across various habitats including Alaska, Alberta, British Columbia, California, Colorado, Idaho, Maine, Manitoba, Minnesota, Montana, Nevada, New Mexico, North Dakota, Northwest Territories, Nunavut, Ontario, Oregon, Québec, Saskatchewan, South Dakota, Utah, Vermont, Washington, Wyoming, Yukon. Its leaves and seeds are edible; the leaves can be eaten raw or cooked as a potherb, while the seeds are typically dried before use in cooking. This plant is well-suited for gardens and landscapes due to its hardiness and ability to grow in diverse soil types and light conditions. While primarily used for culinary purposes, Mountain Tansy Mustard's presence across various regions makes it an interesting ornamental addition as well. However, caution should be exercised when handling the plant, especially if you have sensitive skin or allergies, due to its mustard family origins.
Mountain Tansy Mustard (Descurainia incana) is a hardy plant native to northern regions of North America, including Alaska, Alberta, British Columbia, and parts of Canada such as Manitoba and Ontario.
Start with Mountain Tansy Mustard as a simple, low-maintenance addition to your garden.
Mountain Tansy Mustard seeds or seedlings, a trowel, and a watering can.
Plant in spring after the last frost or in fall before the first freeze.
Choose a location with full sun to partial shade. Ensure soil is well-draining, either light (sandy), medium, or heavy (clay).
Direct sow seeds 0.5 cm deep in the ground or start seedlings indoors and transplant them later.
Water regularly to keep soil moist but not waterlogged. Thin seedlings if they grow too close together.
Provide light watering as needed, especially during dry spells. Remove any weeds that compete for nutrients.
Prune back plants after flowering to encourage new growth and prevent self-seeding.
Overwatering, planting in heavy shade, neglecting to thin seedlings.
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