Celandine poppy (Stylophorum diphyllum)

Also known as: Yellow wood poppy

Stylophorum diphyllum, commonly known as the Celandine Poppy or woods-poppy, is a perennial herb native to North America. Found in the eastern regions of the United States and Canada, this plant is listed as endangered in Canada.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Celandine poppy

Lifespan

Perennial

Plant Type

Herb

Plant Height

50 cm

Spread

25 cm to 30 cm

Leaf Color

Green Blue

Flower Size

5 cm

Flower Color

Yellow

Images of Celandine poppy

Quickly Identify Celandine poppy

Bright yellow flowers with 4 petal-like structures, each 2 inches across (5 cm).

Distinct lobed, blue-green leaves, 6-8 inches wide (15-20 cm), near base and alternating up stem.

Conspicuous long style in center of flower, a defining characteristic.

Thin stems with yellow-orange sap, purplish base, and fine hairs covering surface.

Spindle-shaped, bristly fruit pod, 1 inch long, segmented with dark seeds within.

Scientific Classification of Celandine poppy

Phylum

Vascular plants

Class

Dicotyledons

Order

Ranunculales

Family

Poppy

Genus

Celandine-poppies

Species

Celandine poppy

Planting and Growing of Celandine poppy

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-10 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 Celandine poppy?

Stylophorum diphyllum, commonly known as celandine poppy, requires moderate watering. It is essential to keep the soil consistently moist but not soggy. Aim to saturate the soil to a depth of about 3 to 4 inches, which generally equates to approximately 250 milliliters per session.

What are the symptoms of an underwatered Celandine poppy? ›

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

What are the symptoms of an overwatered Celandine poppy? ›

How to save an overwatered Celandine poppy? ›

What Are the Sunlight Requirements for Celandine poppy?

Sunlight Requirements: Partial sun, Full shade

Duration of light: 2 to 6 hours

Ideally, Stylophorum diphyllum thrives in partial sun to full shade, preferring a mix that allows it to receive about 2 to 6 hours of indirect sunlight daily. Proper light exposure promotes robust growth and blooms, contributing to the plant's aesthetic and health.

What is the best location for Stylophorum diphyllum? ›

How can I ensure consistent lighting? ›

What happens if the plant receives ideal lighting? ›

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What Is the Ideal Temperature Range for Celandine poppy?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Stylophorum diphyllum, commonly known as Celandine poppy, lies between 60 to 75 degrees Fahrenheit. This range ensures optimal growth and flowering, as it mimics the plants' natural woodland habitat conditions.

What Soil is Best for Celandine poppy?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Stylophorum diphyllum thrives in well-drained soil, as excess water can lead to root rot. Good drainage ensures that the roots receive the appropriate amount of moisture without being waterlogged, which helps the plant to grow healthily. Although it requires good drainage, Stylophorum diphyllum also benefits from soil that retains some moisture. This moisture retention supports steady growth and prevents the plant from experiencing drought stress. Rich in organic matter, nutrient-rich soil is essential for Stylophorum diphyllum. It provides the necessary nutrients for vigorous growth, enhancing both the foliage and the vivid yellow flowers.

How to Fertilize Celandine poppy?

Fertilizer type: Balanced

When fertilizing Stylophorum diphyllum, a moderate amount is ideal. For liquid fertilizer, use a balanced 10-10-10 or 20-20-20 NPK formula, applying at half strength per instructions. For slow-release granules, apply evenly around the base of the plant, using about 1 teaspoon per square foot of soil.

How to Prune Celandine poppy?

Pruning Time: Spring, Summer

Start by carefully inspecting your Stylophorum diphyllum to identify any dead or diseased leaves. Remove these with a pair of sharp, sanitized scissors or pruning shears to prevent disease spread. Gently trim around the edges of the plant to maintain a neat shape. Stylophorum diphyllum has a naturally bushy appearance, so minimal shaping is needed. Ensure you trim sparingly and retain the plant’s natural habit. Trim the stems back slightly to stimulate new growth. This encourages the plant to produce more flowers, resulting in a fuller and more vibrant display during blooming periods. More About Pruning Techniques→

How to Propagate Celandine poppy plant?

Propagate Time: Spring, Early spring

Begin by filling seed trays with a quality seed-starting mix. Sow the Stylophorum diphyllum seeds on the surface and lightly cover them with a thin layer of soil. Water gently to avoid displacing the seeds.

During early spring, carefully dig around the Stylophorum diphyllum plant. Lift the plant and gently separate it into smaller clumps using a sharp knife. Replant each section at the same depth in new locations.

Ensure newly sown seeds and divided plants are watered regularly, maintaining consistent moisture without waterlogging. Use a fine mist spray for seeds to prevent disturbance.

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How to Repot Celandine poppy plant?

Repotting frequency: Every 2-3 years

Stylophorum diphyllum exhibits signs like roots protruding from drainage holes and stunted growth when it requires repotting. These hints indicate the plant is becoming root-bound or the soil composition has degraded, needing a refresh.

Opt for a pot slightly larger than the current one with adequate drainage holes. This prevents waterlogging and allows roots to expand, enhancing the plant’s stability and promoting healthy growth.

Use a well-draining potting mix rich in organic matter. This choice prevents root rot and provides essential nutrients, ensuring the plant's vigor and blossom production in its new environment.

Toxicity of Celandine poppy

Is Celandine poppy toxic to humans?

Celandine poppy harbors toxic substances that pose risks to humans, though the intensity of these effects tends to be mild. Consuming the leaves, roots, or fruits may lead to slight gastrointestinal issues, including nausea, abdominal pain, vomiting, and diarrhea. Additionally, this plant can induce irritation through direct contact with skin or eyes, potentially resulting in redness, itchiness, inflamed skin, rashes, or even blistering in individuals with heightened sensitivity.

Is Celandine poppy toxic to cat?

Celandine poppy poses a moderate toxic threat to cats. These animals can suffer poisoning if they consume any part of the plant, particularly the leaves. After ingestion, a cat may display general signs of physical distress, indicating potential poisoning. Although the precise toxic compounds in celandine poppy are not specified, the identified risk necessitates an immediate reaction. Cat owners ought to quickly seek professional veterinary assistance if they suspect that their furry friend has ingested any part of the celandine poppy, ensuring prompt medical attention to alleviate any detrimental health consequences.

Is Celandine poppy toxic to dog?

The plant species known as celandine poppy is recognized for its moderate toxicity levels, especially concerning dogs. When dogs consume portions of this plant, especially its leaves, they may be at risk of poisoning. Typically, dogs become poisoned by ingesting these harmful parts. Following consumption, a dog may display various signs that suggest poisoning has occurred. It is essential for dog owners to remain alert and prevent their pets from gaining access to celandine poppy. In the event that a dog does consume any part of this plant, it is vital to seek immediate veterinary assistance to guarantee the best possible health outcomes for the 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.

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