Eschscholzia californica ssp .mexicana,
Mexican Gold Poppy (Native)
Annual, ½ – 1½ ft. tall. Blooms in spring with usually golden-yellow, showy flowers. Does best on sandy to medium texture soils. Drought-tolerant, low water requirements and likes full-sunlight. Used in wildflower mixes. Plant fall or spring 1/8 – ¼ inch deep. 800,000 seeds/lb.
USDA: Plant Profile