Narrowleaf Golden Aster (Heterotheca angustifolia)

Photo: Reid HardinCC BY 4.0via iNaturalistresized / cropped

Narrowleaf Golden Aster Plant Care

Heterotheca angustifolia (Nutt.) Shinners

Updated · Sources · How we source care data

With its narrow lance-shaped leaves and vibrant yellow daisy-like flowers, this plant originates from North America. Plant collectors are drawn to its cheerful appearance, drought tolerance, and ability to attract pollinators to the garden.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

65–80°F

Humidity

40–60%

At a glance

How do you care for Narrowleaf Golden Aster?

Water Narrowleaf Golden Aster 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 65–80°F (18–27°C) and 40–60% humidity. Fertilize it every 2 months during the growing season.

Where Is the Narrowleaf Golden Aster Native To?

Native range3 countries

What Is the Narrowleaf Golden Aster?

Narrowleaf Golden Aster (Heterotheca angustifolia) belongs to the Asteraceae family within the Heterotheca genus. Narrowleaf Golden Aster is native to central and western North America.

Narrowleaf Golden Aster displays a low rosette, spreading growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Narrowleaf Golden Aster produces daisy-like yellow flowers with a dark center.

Leaf size: approximately 3 inches.

How Often Should You Water a Narrowleaf Golden Aster?

Heterotheca angustifolia 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 Narrowleaf Golden Aster Need?

Narrowleaf Golden Aster thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Narrowleaf Golden Aster Prefer?

Heterotheca angustifolia grows best at temperatures of 65–80°F. Narrowleaf Golden Aster prefers humidity levels of 40–60%.

Temperature

65–80°F

Humidity

40–60%

What Soil Mix Works Best for a Narrowleaf Golden Aster?

Well-draining sandy loam with added organic matter. Good drainage is essential for Narrowleaf Golden Aster to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Narrowleaf Golden Aster?

Feed Narrowleaf Golden Aster every 2 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 2 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 Narrowleaf Golden Aster?

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 Narrowleaf Golden Aster?

Narrowleaf Golden Aster can be propagated through seeds, division of clumps. Similar propagation techniques also apply to arizona golden aster plant care, which shares the same genus.

Is the Narrowleaf Golden Aster Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Narrowleaf Golden Aster, 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 Narrowleaf Golden Aster?

Narrowleaf Golden Aster 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 Narrowleaf Golden Aster Need?

Narrowleaf Golden Aster grows outdoors in USDA Zone 4a – 9b. It survives winters down to planting zone 4a. Narrowleaf Golden Aster is native to central and western North America.

Hardiness Zone

Zone 4a – 9b

Keep exploring plants

Narrowleaf Golden Aster 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 Heterotheca genus — compare its care with other Heterotheca species on PlantoScan.

Heterotheca is part of the Asteraceae plant family — browse all Asteraceae genera and species.

Narrowleaf Golden Aster thrives in bright light and direct sun — see other bright-light plants.

More Heterotheca Species

Other Heterotheca species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Heterotheca angustifolia (Nutt.) Shinners, family Asteraceae — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Narrowleaf Golden Aster, 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: Reid Hardin, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 4a – 9b, 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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