Plant Data Sheet for Eschscholzia californica, California poppy


Eschscholzia californica, California poppy


USDA range 8 to 10


Climate, elevation

0-6561 ft. elevation in drier soils

Local occurrence (where, how common)

Habitat preferences

Full sun, grows excellent on slopes and roadsides

Plant strategy type/successional stage (stress tolerator, competitor, weedy/colonizer, seral, late successional)

Tolerates full sun, seaside conditions, and sand

Associated species


May be collected as: (seed, layered, divisions, etc.)


Collection restrictions or guidelines

Flowers spring and throughout the summer and fall;

allow seedheads to dry on plant and then remove and collect seeds


Seed germination (needs dormancy breaking?)

Seed dormancy generally absent in plants of cultivated heritage

Seed life (can be stored, short shelf-life, long shelf life)


Recommended seed storage conditions


Propagation recommendations (plant seeds, vegetative parts, cuttings, etc.)

Sow seeds in fall or early spring directly into site as it is not easy to transplant

Soil or medium requirements (inoculum necessary?)

Well drained, drier soils; will tolerate poor soil; fertilizing is not necessary and over-fertilization will cause abundance of foliage that lacks flowers

Installation form (form, potential for successful outcomes, cost)

seed at approximately $1.59 per 2.5 grams, or $21.95 per pound

Recommended planting density

Space about 6-9 apart at a depth of 1/8 to 1/4

Care requirements after installed (water weekly, water once etc.)

Water regularly to establish, and only an occasional deep watering is required thereafter; plants are drought-tolerant and over watering will cause the roots to rot



Normal rate of growth or spread; lifespan

One plant will grow up 12-20 inches and spread up to 20 inches; plant is stress deciduous and annual



Sources cited




Data compiled by

Maddi Schweitzer on April 20, 2005