Photo: AlvesgasparCC BY 2.5via Wikimedia Commonsresized / cropped
Hesperomannia arbuscula Plant Care
Hesperomannia arbuscula Hillebr.
Updated · Sources · How we source care data
Hesperomannia arbuscula, the Maui island-aster or Maui hesperomannia, is a species of flowering plant in the family Asteraceae that is endemic to the islands of Oʻahu and Maui in Hawaiʻi. It is found in mixed mesic and wet forests at elevations of 350–900 m (1,150–2,950 ft). It is threatened by habitat loss.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Hesperomannia arbuscula?
Water Hesperomannia arbuscula 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 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Hesperomannia arbuscula?
Hesperomannia arbuscula (Hesperomannia arbuscula) belongs to the Asteraceae family within the Hesperomannia genus. Hesperomannia arbuscula is native to mixed mesic and wet forests at elevations of 350–900 m (1,150–2,950 ft).
Hesperomannia arbuscula displays a compact, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Hesperomannia arbuscula produces small daisy-like flowers in shades of white, pink, or purple.
Leaf size: approximately 4 inches.
How Often Should You Water a Hesperomannia arbuscula?
Hesperomannia arbuscula 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 Hesperomannia arbuscula Need?
Hesperomannia arbuscula thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Hesperomannia arbuscula Prefer?
Hesperomannia arbuscula grows best at temperatures of 60–80°F. Hesperomannia arbuscula prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Hesperomannia arbuscula?
Well-draining sandy soil mix with added organic matter for nutrients. Good drainage is essential for Hesperomannia arbuscula to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hesperomannia arbuscula?
Feed Hesperomannia arbuscula 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 Hesperomannia arbuscula?
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 Hesperomannia arbuscula?
Hesperomannia arbuscula can be propagated through seeds, division of offsets. Similar propagation techniques also apply to hesperomannia arborescens plant care, which shares the same genus.
Is the Hesperomannia arbuscula Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hesperomannia arbuscula, 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 Hesperomannia arbuscula?
Hesperomannia arbuscula is susceptible to aphids, spider mites, whiteflies. 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 Hesperomannia arbuscula Need?
Hesperomannia arbuscula grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Hesperomannia arbuscula is native to mixed mesic and wet forests at elevations of 350–900 m (1,150–2,950 ft). In cooler regions, grow Hesperomannia arbuscula as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Hesperomannia arbuscula 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 Hesperomannia genus — compare its care with other Hesperomannia species on PlantoScan.
Hesperomannia is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Hesperomannia arbuscula 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: Hesperomannia arbuscula Hillebr., family Asteraceae (first published in Fl. Hawaiian Isl. : 232 (1888)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hesperomannia arbuscula, 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: Alvesgaspar, CC BY 2.5, Wikimedia Commons — original.
- 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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