Harperocallis flava Plant Care
Harperocallis flava McDaniel
Updated · Sources · How we source care data
Harperocallis flava, known by the common name Harper's beauty, is a species endemic to parts of Florida in the United States, where it is known mainly from the Apalachicola National Forest in the Panhandle. It is seriously endangered and has been on the United States' endangered species list since 1979.
Every 5–7 days
Partial to full shade
60–75°F
50–70%
At a glance
How do you care for Harperocallis flava?
Water Harperocallis flava every 5–7 days, letting the top layer of soil dry out between waterings, and give it partial to full shade. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Harperocallis flava Native To?
What Is the Harperocallis flava?
Harperocallis flava (Harperocallis flava) belongs to the Tofieldiaceae family within the Harperocallis genus. Harperocallis flava is native to parts of Florida in the United States.
Harperocallis flava displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Harperocallis flava produces small, star-shaped white flowers in clusters.
Leaf size: approximately 6 inches.
How Often Should You Water a Harperocallis flava?
Harperocallis flava requires watering every 5–7 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 5–7 days
Let soil partially dry between waterings
What Light Does the Harperocallis flava Need?
Harperocallis flava thrives in partial to full shade. The optimal light range is 100–500 lux. Avoid placing Harperocallis flava in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial to full shade
100–500 lux
What Temperature and Humidity Does the Harperocallis flava Prefer?
Harperocallis flava grows best at temperatures of 60–75°F. Harperocallis flava prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Harperocallis flava?
Moist, well-draining soil rich in organic matter. Good drainage is essential for Harperocallis flava to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Harperocallis flava?
Feed Harperocallis flava 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 Harperocallis flava?
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 Harperocallis flava?
Harperocallis flava can be propagated through division, seeds.
Is the Harperocallis flava Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Harperocallis flava, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
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 Harperocallis flava?
Harperocallis flava is susceptible to aphids, spider mites, 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 Harperocallis flava Need?
Harperocallis flava grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Harperocallis flava is native to parts of Florida in the United States. In cooler regions, grow Harperocallis flava as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Harperocallis flava 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 Harperocallis genus — compare its care with other Harperocallis species on PlantoScan.
Harperocallis is part of the Tofieldiaceae plant family — browse all Tofieldiaceae genera and species.
Harperocallis flava copes with lower light than most plants — browse the full list of low-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Harperocallis flava McDaniel, family Tofieldiaceae (first published in J. Arnold Arbor. 49: 38 (1968)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Harperocallis flava, 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 13a, 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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