Phaedranassa cinerea Plant Care
Phaedranassa cinerea Ravenna
Updated · Sources · How we source care data
Phaedranassa cinerea is a species of plant that is endemic to Ecuador. Its natural habitat is subtropical or tropical moist montane forests.
Every 7–10 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Phaedranassa cinerea?
Water Phaedranassa cinerea 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 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Phaedranassa cinerea Native To?
What Is the Phaedranassa cinerea?
Phaedranassa cinerea (Phaedranassa cinerea) belongs to the Amaryllidaceae family within the Phaedranassa genus. Phaedranassa cinerea is native to Ecuador.
Phaedranassa cinerea displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 0.5 ft. Phaedranassa cinerea produces umbels of trumpet-shaped flowers in red, orange, or yellow.
Leaf size: approximately 12 inches.
How Often Should You Water a Phaedranassa cinerea?
Phaedranassa cinerea 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 Phaedranassa cinerea Need?
Phaedranassa cinerea thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Phaedranassa cinerea Prefer?
Phaedranassa cinerea grows best at temperatures of 50–80°F. Phaedranassa cinerea prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Phaedranassa cinerea?
Well-draining sandy loam with added organic matter. Good drainage is essential for Phaedranassa cinerea to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Phaedranassa cinerea?
Feed Phaedranassa cinerea 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 Phaedranassa cinerea?
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 Phaedranassa cinerea?
Phaedranassa cinerea can be propagated through offsets, seeds. Similar propagation techniques also apply to shortleaf phaedranassa plant care, which shares the same genus.
Is the Phaedranassa cinerea Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Phaedranassa cinerea, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
Toxic to cats and dogs.
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 Phaedranassa cinerea?
Phaedranassa cinerea is susceptible to aphids, thrips, spider mites. 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 Phaedranassa cinerea Need?
Phaedranassa cinerea grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Phaedranassa cinerea is native to Ecuador. In cooler regions, grow Phaedranassa cinerea as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Phaedranassa cinerea 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 Phaedranassa genus — compare its care with other Phaedranassa species on PlantoScan.
Phaedranassa is part of the Amaryllidaceae plant family — browse all Amaryllidaceae genera and species.
Phaedranassa cinerea 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: Phaedranassa cinerea Ravenna, family Amaryllidaceae (first published in Phytologia 56: 196 (1984)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Phaedranassa cinerea, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- 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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