Photo: NaturalistaCC BY 4.0via iNaturalistresized / cropped
Doubtful Daffodil Plant Care
Narcissus dubius Gouan
Updated · Sources · How we source care data
Narcissus dubius is a charming bulbous plant with slender, grass-like leaves and delicate white flowers that have a distinct yellow cup in the center. Originating from the Mediterranean region, this plant is popular among gardeners for its graceful appearance and early spring blooms.
Every 7–14 days
Full sun to partial shade
50–70°F
40–60%
At a glance
How do you care for Doubtful Daffodil?
Water Doubtful Daffodil every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–70°F (10–21°C) and 40–60% humidity. Fertilize it every month during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Doubtful Daffodil Native To?
What Is the Doubtful Daffodil?
Doubtful Daffodil (Narcissus dubius) belongs to the Amaryllidaceae family within the Narcissus genus. Doubtful Daffodil is native to northeastern Spain. Doubtful Daffodil is also known as Doubtful Narcissus.
Doubtful Daffodil displays an upright, clumping perennial growth habit, reaching up to tall with a spread of approximately . Doubtful Daffodil produces showy, fragrant flowers in shades of yellow, white, and orange.
Leaf size: approximately 10 inches.
How Often Should You Water a Doubtful Daffodil?
Narcissus dubius requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Doubtful Daffodil Need?
Doubtful Daffodil thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Doubtful Daffodil Prefer?
Narcissus dubius grows best at temperatures of 50–70°F. Doubtful Daffodil prefers humidity levels of 40–60%.
Temperature
50–70°F
Humidity
40–60%
What Soil Mix Works Best for a Doubtful Daffodil?
Well-draining, fertile soil with good organic content. Good drainage is essential for Doubtful Daffodil to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Doubtful Daffodil?
Feed Doubtful Daffodil every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Doubtful Daffodil?
Repot every 2-3 years after flowering. 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 Doubtful Daffodil?
Doubtful Daffodil can be propagated through division of offsets, bulb scales, seeds. Similar propagation techniques also apply to narcissus abscissus plant care, which shares the same genus.
Is the Doubtful Daffodil Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
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 Doubtful Daffodil?
Doubtful Daffodil is susceptible to aphids, narcissus bulb fly, slugs. 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 Doubtful Daffodil Need?
Doubtful Daffodil grows outdoors in USDA Zone 8a – 10b. It survives winters down to planting zone 8a. Doubtful Daffodil is native to northeastern Spain.
Hardiness Zone
Zone 8a – 10b
Keep exploring plants
Doubtful Daffodil 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 Narcissus genus — compare its care with other Narcissus species on PlantoScan.
Narcissus is part of the Amaryllidaceae plant family — browse all Amaryllidaceae genera and species.
Doubtful Daffodil thrives in bright light and direct sun — see other bright-light plants.
More Narcissus Species
Other Narcissus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Narcissus dubius Gouan, family Amaryllidaceae (first published in Ill. Observ. Bot. : 22 (1773)) — World Flora Online record, IPNI name record.
- Pet toxicity: Doubtful Daffodil 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: Naturalista, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8a – 10b, 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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