Symphyotrichum oblongifolium 10587916.jpg. by Eewilson. CC BY 4.0. via Wikimedia Commons
CC BY 4.0 · Wikimedia Commons
Aromatic Aster Plant Care
Aster oblongifolius Nutt.
Basionym
Every 7–10 days
Full sun to partial shade
50–75°F
40–70%
What Is the Aromatic Aster?
Aromatic Aster (Aster oblongifolius) belongs to the Asteraceae family within the Aster genus. Aromatic Aster is native to parts of the eastern and central United States. Aromatic Aster is also known as Oblongleaf Aster, Aster graveolens, Aster kumleinii.
Aromatic Aster displays an upright, bushy perennial growth habit, reaching up to 3 inches tall with a spread of approximately 2 inches. Aromatic Aster produces daisy-like flowers in various colors like purple, pink, white, and blue.
Leaf size: approximately 4 inches.
How Often Should You Water a Aromatic Aster?
Aster oblongifolius 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 Aromatic Aster Need?
Aromatic Aster thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Aromatic Aster in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
200–1000 lux
What Temperature and Humidity Does the Aromatic Aster Prefer?
Aster oblongifolius grows best at temperatures between 50°F and 75°F. Aromatic Aster prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Aromatic Aster?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Aromatic Aster to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Aromatic Aster?
Divide and 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 Aromatic Aster?
Aromatic Aster can be propagated through seeds, division of clumps. Similar propagation techniques also apply to new england aster plant care, which shares the same genus.
Fertilizing
Every 6 months
During the growing season
Is the Aromatic Aster Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Aromatic Aster?
Aromatic Aster is susceptible to aphids, slugs, snails. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Aromatic Aster Need?
Aromatic Aster grows outdoors in USDA Zone 12a. Native to parts of the eastern and central United States, Aromatic Aster is adapted to warm climates. In cooler regions, grow Aromatic Aster as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Aromatic 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 Aster genus — compare its care with other Aster species on PlantoScan.
Aromatic Aster tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
More Aster Species
Other Aster species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
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