nan (Symphyotrichum lanceolatum var. lanceolatum)

Photo: Rob FosterCC BY 4.0via Wikimedia Commonsresized / cropped

nan Plant Care

Symphyotrichum lanceolatum var. lanceolatum (Willd.) G.L.Nesom

Updated · Sources · How we source care data

This plant's lance-shaped leaves are its most distinctive visual feature. Originating from North America, this species is desirable to plant collectors for its stunning purple flowers that bloom in late summer and fall, adding a pop of color to any garden.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for nan?

Water nan 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 nan Native To?

Native range3 countries

What Is the nan?

nan (Symphyotrichum lanceolatum var. lanceolatum) belongs to the Asteraceae family within the Symphyotrichum genus. nan is native to North America.

nan displays an upright, bushy perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. nan produces daisy-like flowers in various colors like purple, blue, pink, and white.

Leaf size: approximately 4 inches.

How Often Should You Water a nan?

Symphyotrichum lanceolatum var. lanceolatum 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 nan Need?

nan thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the nan Prefer?

Symphyotrichum lanceolatum var. lanceolatum grows best at temperatures of 50–80°F. nan prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a nan?

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for nan to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a nan?

Feed nan 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 nan?

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 nan?

nan can be propagated through division, stem cuttings. Similar propagation techniques also apply to pineywoods aster plant care, which shares the same genus.

Is the nan Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list nan, 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 nan?

nan is susceptible to aphids, spider mites, powdery mildew. 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 nan Need?

nan grows outdoors in USDA Zone 12a – 9b. It survives winters down to planting zone 12a. nan is native to North America. In cooler regions, grow nan as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a – 9b

Keep exploring plants

nan 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 Symphyotrichum genus — compare its care with other Symphyotrichum species on PlantoScan.

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

nan thrives in bright light and direct sun — see other bright-light plants.

More Symphyotrichum Species

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

Sources

  • Scientific name & taxonomy: Symphyotrichum lanceolatum var. lanceolatum (Willd.) G.L.Nesom, family Asteraceae — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list nan, 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: Rob Foster, CC BY 4.0, Wikimedia Commons — original.
  • Hardiness zone: USDA Zone 12a – 9b, 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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