Olivaceous Michaelmas daisy Plant Care

Amellus tridactylus subsp. olivaceus Rommel

Updated · Sources · How we source care data

This plant's distinct feature is its unique olive-green leaves with three lobes, making it stand out in any collection. Originally from the Mediterranean region, this plant's rare subspecies is highly sought after by plant collectors for its unusual coloration and striking foliage.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 5–7 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Olivaceous Michaelmas daisy?

Water Olivaceous Michaelmas daisy every 5–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

What Is the Olivaceous Michaelmas daisy?

Olivaceous Michaelmas daisy (Amellus tridactylus subsp. olivaceus) belongs to the Asteraceae family within the Amellus genus. Olivaceous Michaelmas daisy is native to Europe, Asia. Olivaceous Michaelmas daisy is also known as Olive Amellus.

Olivaceous Michaelmas daisy displays an upright, bushy perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Olivaceous Michaelmas daisy produces daisy-like flowers in shades of blue, purple, pink, or white.

Leaf size: approximately 4 inches.

How Often Should You Water a Olivaceous Michaelmas daisy?

Amellus tridactylus subsp. olivaceus requires watering every 5–7 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 5–7 days

Let soil partially dry between waterings

What Light Does the Olivaceous Michaelmas daisy Need?

Olivaceous Michaelmas daisy thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Olivaceous Michaelmas daisy Prefer?

Amellus tridactylus subsp. olivaceus grows best at temperatures of 50–75°F. Olivaceous Michaelmas daisy prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Olivaceous Michaelmas daisy?

Well-draining loamy soil with added organic matter for nutrients. Good drainage is essential for Olivaceous Michaelmas daisy to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Olivaceous Michaelmas daisy?

Feed Olivaceous Michaelmas daisy 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 Olivaceous Michaelmas daisy?

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 Olivaceous Michaelmas daisy?

Olivaceous Michaelmas daisy can be propagated through seeds, division of clumps. Similar propagation techniques also apply to three-fingered aster plant care, which shares the same genus.

Is the Olivaceous Michaelmas daisy Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Olivaceous Michaelmas daisy, 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 Olivaceous Michaelmas daisy?

Olivaceous Michaelmas daisy 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 Olivaceous Michaelmas daisy Need?

Olivaceous Michaelmas daisy grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Olivaceous Michaelmas daisy is native to Europe, Asia. In cooler regions, grow Olivaceous Michaelmas daisy as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Olivaceous Michaelmas daisy 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 Amellus genus — compare its care with other Amellus species on PlantoScan.

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

Olivaceous Michaelmas daisy 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: Amellus tridactylus subsp. olivaceus Rommel, family Asteraceae (first published in Mitt. Bot. Staatssamml. München 13: 637 (1977)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Olivaceous Michaelmas daisy, 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.
  • Hardiness zone: USDA Zone 12a, 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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