Enormous fried-egg flowers on blue-gray stems. California's largest native wildflower. Spreads aggressively.
Companion plants, planting tips, FAQ, and more
Romneya coulteri is the scientific name used by botanists, nurseries, and seed catalogs to identify Matilija Poppy unambiguously. The genus Romneya places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Matilija Poppy, looking up plant care details, or comparing varieties, searching by Romneya coulteri will give you the most precise results.