California poppy, Escolzia - Eschscholzia californica

California poppy, Escolzia - Eschscholzia californica


Eschscholzia californica or California poppy is a perennial herb, grown as an annual, native to North America. Escolzia constitutes dense rosettes of large, very jagged, gray-green leaves, from which thin stems, 30-35 cm high, rise, which bear large single flowers, with four free petals, of yellow, orange, white color or red. The flowering of California poppy plants lasts all summer and the tufts tend to expand considerably, filling all the available space. To prolong flowering it is recommended to remove the withered flowers.


The plants of escolzia or California poppy need very sunny positions, in which they can enjoy many hours of direct sun a day and can bear the cold, as long as it is not intense and does not occur with temperatures below zero; in this case the seedlings should be repaired to avoid that they can show signs of suffering and, in the most serious cases, lead to death.

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The plants of Eschscholzia californica or California poppy do not need large quantities of water, and they tolerate even short periods of drought without problems; it is advisable to water regularly, providing moderate amounts of water so that the soil can maintain a certain degree of humidity; eventually water more abundantly in the particularly hot periods of the year to avoid that drought causes signs of suffering in plants of this genus.

Add fertilizer for flowering plants to the watering water every 10-15 days.


The plants of Eschscholzia californica develop without problems in any soil, as long as it is very well drained; they prefer loose and sandy soils, rich in organic matter.

Check that the type of soil chosen for the cultivation of the escolzia has good draining qualities and does not favor the formation of stagnant water, dangerous for plants of this genus.


The multiplication of escolzia plants occurs by seed, using, at the end of winter or at the beginning of spring, the seeds of the previous year, which the plant produces in large quantities; spring sowing is preferred, directly at home, to prevent the transplant from ruining the seedlings. Before sowing, work the soil well by adding organic fertilizer. The escolzie often self-sow.

California poppy, Escolzia - Eschscholzia californica: Pests and diseases

Snails are fond of escolzia leaves; aphids and red spider mites ruin both leaves and flowers. To effectively counteract the possible onset of these parasites, it is good to intervene in the winter period, before flowering, with the use of special insecticide products available on the market, which will allow to better protect the plants. If the flowers are already present and the presence of parasites is noted, it is possible to implement targeted interventions with the use of natural products, such as a mixture of water in which a head of garlic has been macerated to be vaporized on the different specimens .

Excess humidity can also lead to the onset of fungal diseases and root rot which are very dangerous for the development of the California poppy. Therefore, carefully check the climatic conditions and that the soil does not remain soaked with water.

Video: Growing Poppies From Seed to Flower