For Eschscholzia californica, an extended period of sunlight is crucial. Ensure the plant receives at least 6 hours of full sun each day by positioning it in a southern or western facing location.

While full sun is ideal, protecting the plant from harsh midday sun can prevent damage. Use light shade cloths or plant in areas that get partial afternoon shade to moderate extreme light exposure.

Positioning your plant near light-reflective surfaces, like light-colored walls or fences, can enhance its sun exposure without increasing temperature stress, maximizing effective sunlight availability.

California poppy (Eschscholzia californica)

Also known as: Cup of gold

The California poppy, native to the United States and Mexico, has been the state flower of California since 1903. California Poppy Day is observed on April 6th, and the flower is commonly seen on road signs and landmarks throughout the state.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of California poppy

Lifespan

Annual, Perennial, Biennial

Plant Type

Herb

Plant Height

30 cm to 60 cm

Spread

15 cm to 20 cm

Leaf Color

Green Blue Gray

Flower Size

2 cm to 12 cm

Flower Color

Orange Yellow Red White

Images of California poppy

Quickly Identify California poppy

Vibrant cup-shaped flowers in sunset hues, with petals curving outward up to 2 inches (5 cm) long.

Delicate, finely divided bluish-green foliage reaching height of 12 inches (30 cm).

Conspicuous electric orange flowers in round clusters, closing into conical buds.

Three-sided capsules for seed dispersal, transitioning from green to brown, distinctive against foliage.

Stout, smooth stem measuring 1-2 feet (30-60 cm), branching pattern crucial for identification.

Scientific Classification of California poppy

Phylum

Vascular plants

Class

Dicotyledons

Order

Buttercups, poppies and allies

Family

Poppy

Genus

Golden poppies

Species

California poppy

Planting and Growing of California poppy

Care Difficulty

Easy

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water California poppy?

California poppies, also known as Eschscholzia californica, prefer a moderate amount of water. They should be watered until the soil is evenly moist, but never waterlogged. A single watering session should deliver around 250 ml to each plant, sufficient to penetrate to the root zone without causing excess runoff.

What are the symptoms of an underwatered California poppy? ›

What should I do if my California poppy is not getting enough water? ›

What are the symptoms of an overwatered California poppy? ›

How to save an overwatered California poppy? ›

What Are the Sunlight Requirements for California poppy?

Sunlight Requirements: Full sun

Duration of light: 6 to 12 hours

Eschscholzia californica thrives in full sun. Ideal lighting involves exposure to at least 6 hours of direct sunlight. This promotes vigorous growth, enhances photosynthetic efficiency, and ensures abundant flowering.

Light Duration ›

Sun Protection ›

Reflection Benefits ›

What Is the Ideal Temperature Range for California poppy?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Eschscholzia californica, commonly known as the California poppy, is between 60°F and 75°F. This range provides optimal conditions for photosynthesis and metabolic processes, ensuring robust growth and vibrant blooms. These temperatures mimic the mild climates of coastal California, where the plant naturally thrives.

What Soil is Best for California poppy?

Soil type: Sandy soil, Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Eschscholzia californica prefers soil that drains well to prevent root rot. Well-drained soil ensures that water doesn't stagnate, promoting healthy, vigorous growth as roots can breathe and access nutrients efficiently. This plant thrives in moderately fertile soil, as excessively rich soil can lead to excessive foliage growth at the expense of blooms. Balancing fertility encourages more vibrant and consistent flowering. While Eschscholzia californica can tolerate a range, it favors soil pH close to neutral or slightly acidic, which facilitates optimal nutrient uptake, enhancing its overall health and blooming.

How to Fertilize California poppy?

Fertilizer type: Balanced

Eschscholzia californica, commonly known as the California poppy, benefits from a balanced fertilization approach. During its growing season, use a water-soluble fertilizer at half strength to ensure healthy growth while preventing nutrient burn. Use approximately 1 teaspoon per gallon of water for safe and effective results.

How to Prune California poppy?

Pruning Time: Spring, Summer, Autumn

To extend the flowering period of your Eschscholzia californica, regularly deadhead by pinching off or cutting spent flowers just above a set of healthy leaves. This prevents seed pod formation and redirects the plant's energy into producing more blooms. If your California poppies become too leggy, trim the elongated stems just above a leaf node. This practice encourages bushier growth and reduces the plant's tendency to flop over. It also enhances airflow around the foliage, which minimizes the risk of fungal diseases.

How to Propagate California poppy plant?

Propagate Time: Early spring, Late spring, Early summer

Start by preparing a fine, well-draining potting mix in seed trays. Ensure the soil is slightly moist but not waterlogged to provide the best conditions for seed germination.

Scatter the seeds evenly across the surface of the soil and lightly cover them with a thin layer of the potting mix. Make sure not to bury the seeds too deep, as they require light to germinate.

Gently water the seeds using a spray bottle to avoid disturbing them. Maintain consistent moisture levels and place the trays in a warm, sunny location for optimal growth.

How to Repot California poppy plant?

Repotting frequency: Annually or biannually

Eschscholzia californica, commonly known as the California poppy, shows clear signs when it's time to repot. If you notice the roots circling around the pot or emerging from the drainage holes, it's a strong signal that your plant needs more space. Another indication is if the plant seems top-heavy or is drying out rapidly, despite regular watering. These signals typically arise after a year of growth, making spring and autumn ideal for repotting.

When selecting a pot for your California poppy, consider one that is only a size larger than the current one. A pot with a drainage hole is essential to prevent waterlogged soil, which can lead to root rot. Opting for clay pots can help absorb excess moisture, providing a healthier growth environment. This choice aids in preventing the build-up of salts and keeps the roots aerated, promoting robust plant development.

Eschscholzia californica thrives in a well-draining soil mix, typically composed of garden loam, coarse sand, and some organic matter like compost. This type of soil ensures that excess water can flow freely, preventing root rot and maintaining a balanced moisture level. Using a soil mix specifically designed for succulents and cacti is often a wise choice as it replicates the plant's natural habitat, allowing it to flourish.

Toxicity of California poppy

Is California poppy toxic to humans?

The California poppy is not as perilous as numerous other poppy varieties, since its latex comprises only minimal amounts of the sedative alkaloids that render the opium poppy potentially lethal. Nevertheless, consuming a significant amount of this plant, particularly the roots or latex, induces a sedative effect that escalates with increased consumption. Young children should be kept at a distance from this plant due to this reason, as they require a smaller quantity to experience its effects. Some references suggest that consuming sufficient California poppy or taking a substantial extract from it could lead to symptoms resembling an opium overdose; however, such claims are infrequent and lack robust evidence. Given its sedating properties, anyone who ingests this plant or its extract should refrain from driving, operating power tools, or engaging in similar activities until the drowsiness dissipates.

Is California poppy toxic to cat?

The California poppy poses a toxicity risk to cats. Felines can suffer from poisoning if they inadvertently ingest any portion of this plant. Contact with California poppy may lead to symptoms indicating physical distress or sickness in the affected felines. If you believe your cat has consumed California poppy, it is essential to obtain prompt veterinary assistance to guarantee appropriate care and intervention.

Is California poppy toxic to dog?

The California poppy is recognized as toxic to dogs. If a dog consumes this plant accidentally, it can lead to poisoning, which is a frequent issue due to their inquisitive nature and tendency to chew on various plants. The toxicity of the California poppy encompasses all parts of the plant, meaning that ingestion of any component, such as leaves, stems, flowers, or seeds, could potentially result in poisoning. Symptoms of poisoning in dogs can include, but are not limited to, gastrointestinal distress, lethargy, and abnormal behavior or neurological indicators. Therefore, it is vital for dog owners to closely observe their pets and prevent them from accessing California poppy to avert accidental ingestion. Should a dog ingest any portion of the California poppy, it is essential to seek immediate veterinary assistance, as timely treatment can be crucial for the health and welfare of the affected animal.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.