Image: AI generated
Alula Plant Care
Brighamia insignis A.Gray
Updated · Sources · How we source care data
Native to the Hawaiian islands, this plant's most distinctive visual feature is its long, slender stem topped with a cluster of glossy, spoon-shaped leaves. Plant collectors are drawn to Brighamia insignis for its rare beauty and endangered status, making it a prized addition to any unique plant collection.
Every 10–14 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Alula?
Water Alula every 10–14 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 Alula?
Alula (Brighamia insignis) belongs to the Campanulaceae family within the Brighamia genus. Alula is native to the islands of Kauaʻi and Niʻihau. Alula is also known as Pua.
Alula displays a tall, single-stemmed succulent growth habit, reaching up to 4 ft tall with a spread of approximately 2 ft. Alula produces tubular white flowers with a sweet fragrance.
Leaf size: approximately 8 inches.
How Often Should You Water a Alula?
Brighamia insignis requires watering every 10–14 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 10–14 days
Let soil partially dry between waterings
What Light Does the Alula Need?
Alula thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Alula Prefer?
Brighamia insignis grows best at temperatures of 60–80°F. Alula prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Alula?
Well-draining sandy soil mix with added perlite for extra drainage. Good drainage is essential for Alula to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Alula?
Feed Alula 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 Alula?
Repot every 1-2 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 Alula?
Alula can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to pua ala plant care, which shares the same genus.
Is the Alula Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Alula, 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 Alula?
Alula is susceptible to spider mites, aphids. 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 Alula Need?
Alula grows outdoors in USDA Zone 10b – 12b. It survives winters down to planting zone 10b. Alula is native to the islands of Kauaʻi and Niʻihau. In cooler regions, grow Alula as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 12b
Keep exploring plants
Alula 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 Brighamia genus — compare its care with other Brighamia species on PlantoScan.
Brighamia is part of the Campanulaceae plant family — browse all Campanulaceae genera and species.
Alula 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: Brighamia insignis A.Gray, family Campanulaceae (first published in Proc. Amer. Acad. Arts 7: 185 (1867)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Alula, 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: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 10b – 12b, 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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