— Short, snippet-friendly answers to the most-asked questions about Western Gromwell (Lithospermum ruderale). For the full profile with citations, open the main page.
Western Gromwell (Lithospermum ruderale) is a perennial herb found in the native ranges of Alberta, British Columbia, California, Colorado, Idaho, Montana, Nevada, Oregon, and parts of Wyoming and Washington. Western Gromwell (Latin: Lithospermum ruderale, family Lamiaceae) is an edible plant catalogued in PlantSage.
Western Gromwell is generally regarded as safe for culinary use when correctly identified and prepared. Avoid wild specimens from polluted ground and confirm species before harvest.
Western Gromwell is a member of the Lamiaceae family native to ABT, BRC, CAL, COL, IDA, and MNT. Western Gromwell thrives in full sun and prefers well-drained to moist soils with a pH between 6 and 7.8.
Western Gromwell grows best in USDA zone 4-8, full sun light, dry, moist water, and perennial life cycle. Detailed sowing, propagation, and care notes are on the full profile.
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