Photo: Mohammad Amin GhaffariCC BY 4.0via iNaturalistresized / cropped
Sharp-lobed Horned Poppy Plant Care
Glaucium oxylobum Boiss. & Buhse
Updated · Sources · How we source care data
This plant is characterized by its striking silver-blue leaves, originating from the Mediterranean region. Plant collectors are drawn to Glaucium oxylobum for its unique foliage color and texture, making it a standout addition to any garden or collection.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Sharp-lobed Horned Poppy?
Water Sharp-lobed Horned Poppy every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Sharp-lobed Horned Poppy Native To?
What Is the Sharp-lobed Horned Poppy?
Sharp-lobed Horned Poppy (Glaucium oxylobum) belongs to the Papaveraceae family within the Glaucium genus. Sharp-lobed Horned Poppy is native to Afghanistan, Iran, Turkmenistan, and Uzbekistan.
Sharp-lobed Horned Poppy displays an upright, branching perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Sharp-lobed Horned Poppy produces bright orange to yellow poppy-like flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Sharp-lobed Horned Poppy?
Glaucium oxylobum requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Sharp-lobed Horned Poppy Need?
Sharp-lobed Horned Poppy thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sharp-lobed Horned Poppy Prefer?
Glaucium oxylobum grows best at temperatures of 50–80°F. Sharp-lobed Horned Poppy prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Sharp-lobed Horned Poppy?
Well-draining sandy soil with good organic content. Good drainage is essential for Sharp-lobed Horned Poppy to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sharp-lobed Horned Poppy?
Feed Sharp-lobed Horned Poppy every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Sharp-lobed Horned Poppy?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Sharp-lobed Horned Poppy?
Sharp-lobed Horned Poppy can be propagated through seeds, division of rootball. Similar propagation techniques also apply to yellow horned poppy plant care, which shares the same genus.
Is the Sharp-lobed Horned Poppy Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Toxic to humans and pets
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Sharp-lobed Horned Poppy?
Sharp-lobed Horned Poppy is susceptible to aphids, slugs, snails. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Sharp-lobed Horned Poppy Need?
Sharp-lobed Horned Poppy grows outdoors in USDA Zone 6a – 9b. It survives winters down to planting zone 6a. Sharp-lobed Horned Poppy is native to Afghanistan, Iran, Turkmenistan, and Uzbekistan.
Hardiness Zone
Zone 6a – 9b
Keep exploring plants
Sharp-lobed Horned Poppy is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Glaucium genus — compare its care with other Glaucium species on PlantoScan.
Glaucium is part of the Papaveraceae plant family — browse all Papaveraceae genera and species.
Sharp-lobed Horned Poppy thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Glaucium oxylobum Boiss. & Buhse, family Papaveraceae (first published in Nouv. Mém. Soc. Imp. Naturalistes Moscou 12: 12 (1860)) — World Flora Online record, IPNI name record.
- Pet toxicity: Sharp-lobed Horned Poppy is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Mohammad Amin Ghaffari, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 6a – 9b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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