Description
A small, dry deciduous herb with narrow, grayish green foliage and beautiful golden yellow to orange flowers. Depending on winter temperatures, Eschscholzia californica can grow as an annual or as a perennial. It is native to western North America where it is found on grassy, open land to elevations of 2000 m. easily grown in a wide range of temperate and warm temperate climates.
Germination Guide
🌍 Western United States (California, Oregon, Washington, Nevada, Arizona, New Mexico) and northern Mexico
Easy
Eschscholzia californica, commonly known as California poppy, is a vibrant perennial wildflower native to the western United States and northern Mexico. It is the official state flower of California and is highly valued for its drought tolerance, ease of cultivation, and spectacular golden-orange cup-shaped flowers.
Germination
Germination time
Expect germination in
10 – 30 days
Temperature
Min 15°C
Ideal 18°C
Max 20°C
Substrate moisture
💧 Medium
Sowing depth
Lightly covered
Seed Pre-treatment
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❄️
Cold stratification — 14 days at 4°C
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🔥
Smoke/Fire treatment
Smoke treatment increases mean germination rates above untreated dormant controls, though populations differ substantially in response
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📋
Additional notes
Cold stratification may enhance germination; smoke treatment beneficial for wild populations
Substrate & Container
Recommended substrate
Well-drained, sandy, poor to average fertility soil
Recommended container
Cell packs, containers, or direct sown
Growing Tips
Seeds require light for germination and should not be buried deeply (1/16 to 1/4 inch maximum). Plant seeds in fall for spring germination in most regions. Once established, plants are extremely drought-tolerant. Cool nights are required for abundant flowering. Direct seeding is recommended over transplanting as seedlings are difficult to transplant.
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