Photo: (of code) -xfi-CC BY-SA 3.0via Wikimedia Commonsresized / cropped
Odontospermum daltonii Plant Care
Asteriscus daltonii Walp.
Updated · Sources · How we source care data
This plant is characterized by its delicate, silvery-gray foliage that adds a unique texture to any garden. Hailing from the Canary Islands, Asteriscus daltonii is sought after by plant collectors for its drought tolerance and ability to thrive in sandy, well-draining soil. Its compact growth habit makes it a versatile addition to rock gardens or xeriscapes.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Odontospermum daltonii?
Water Odontospermum daltonii 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 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Odontospermum daltonii Native To?
What Is the Odontospermum daltonii?
Odontospermum daltonii (Asteriscus daltonii) belongs to the Asteraceae family within the Asteriscus genus. Odontospermum daltonii is native to Cape Verde. Odontospermum daltonii is also known as Bubonium daltonii, Nauplius daltonii.
Odontospermum daltonii displays a low mounding perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Odontospermum daltonii produces daisy-like yellow flowers with dark centers.
Leaf size: approximately 2 inches.
How Often Should You Water a Odontospermum daltonii?
Asteriscus daltonii 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 Odontospermum daltonii Need?
Odontospermum daltonii thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Odontospermum daltonii Prefer?
Asteriscus daltonii grows best at temperatures of 50–80°F. Odontospermum daltonii prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Odontospermum daltonii?
Well-draining sandy soil with added organic matter for moisture retention. Good drainage is essential for Odontospermum daltonii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Odontospermum daltonii?
Feed Odontospermum daltonii 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 Odontospermum daltonii?
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 Odontospermum daltonii?
Odontospermum daltonii can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to water star plant care, which shares the same genus.
Is the Odontospermum daltonii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Odontospermum daltonii, 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 Odontospermum daltonii?
Odontospermum daltonii 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 Odontospermum daltonii Need?
Odontospermum daltonii grows outdoors in USDA Zone 10b – 11b. It survives winters down to planting zone 10b. Odontospermum daltonii is native to Cape Verde. In cooler regions, grow Odontospermum daltonii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 11b
Keep exploring plants
Odontospermum daltonii 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 Asteriscus genus — compare its care with other Asteriscus species on PlantoScan.
Asteriscus is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Odontospermum daltonii 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: Asteriscus daltonii Walp., family Asteraceae (first published in Ann. Bot. Syst. 2(5): 844 (1852)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Odontospermum daltonii, 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: (of code) -xfi-, CC BY-SA 3.0, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 10b – 11b, 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.
Identify Plants Like the
Odontospermum daltonii Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species