Photo: Forest & Kim StarrCC BY 3.0via Wikimedia Commonsresized / cropped
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History Plant Care
Argyroxiphium caliginis C.N.Forbes
Updated · Sources · How we source care data
Argyroxiphium caliginis, the ʻEke silversword, is a species of flowering plant in the family Asteraceae.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Water Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History 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 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History (Argyroxiphium caliginis) belongs to the Asteraceae family within the Argyroxiphium genus.
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History displays a rosette-forming perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History produces bright yellow composite flowers in clusters.
Leaf size: approximately 12 inches.
How Often Should You Water a Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Argyroxiphium caliginis 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 Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History Need?
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History Prefer?
Argyroxiphium caliginis grows best at temperatures of 50–80°F. Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Well-draining sandy soil with good aeration. Good drainage is essential for Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Feed Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History 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 Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Repot every 2-3 years in 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 Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History can be propagated through seeds, division of offsets. Similar propagation techniques also apply to gray's silversword plant care, which shares the same genus.
Is the Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History, 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 Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History?
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History is susceptible to aphids, spider mites, mealybugs. 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 Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History Need?
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History 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 Argyroxiphium genus — compare its care with other Argyroxiphium species on PlantoScan.
Argyroxiphium is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History thrives in bright light and direct sun — see other bright-light plants.
More Argyroxiphium Species
Other Argyroxiphium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Argyroxiphium caliginis C.N.Forbes, family Asteraceae (first published in Occas. Pap. Bernice Pauahi Bishop Mus. vii. 38 (1920).) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Occasional Papers of Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History, 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.
- Photo: Forest & Kim Starr, CC BY 3.0, Wikimedia Commons — original.
- 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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