Madia stebbinsii (Harmonia stebbinsii)

Photo: Unknown author Unknown authorPublic domainvia Wikimedia Commons

Madia stebbinsii Plant Care

Harmonia stebbinsii (T.W.Nelson & J.P.Nelson) B.G.Baldwin

Updated · Sources · How we source care data

Madia stebbinsii

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Madia stebbinsii?

Water Madia stebbinsii 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 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

Where Is the Madia stebbinsii Native To?

Native range1 country

What Is the Madia stebbinsii?

Madia stebbinsii (Harmonia stebbinsii) belongs to the Asteraceae family within the Harmonia genus. Madia stebbinsii is native to northern California.

Madia stebbinsii displays a compact, mounding perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Madia stebbinsii produces small daisy-like flowers in various colors.

Leaf size: approximately 3 inches.

How Often Should You Water a Madia stebbinsii?

Harmonia stebbinsii 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 Madia stebbinsii Need?

Madia stebbinsii thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Madia stebbinsii Prefer?

Harmonia stebbinsii grows best at temperatures of 50–75°F. Madia stebbinsii prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Madia stebbinsii?

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

How Often Should You Fertilize a Madia stebbinsii?

Feed Madia stebbinsii 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 Madia stebbinsii?

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 Madia stebbinsii?

Madia stebbinsii can be propagated through seeds, division of root ball. Similar propagation techniques also apply to madia doris-nilesiae plant care, which shares the same genus.

Is the Madia stebbinsii Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Madia stebbinsii, 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 Madia stebbinsii?

Madia stebbinsii 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 Madia stebbinsii Need?

Madia stebbinsii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Madia stebbinsii is native to northern California. In cooler regions, grow Madia stebbinsii as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Madia stebbinsii 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 Harmonia genus — compare its care with other Harmonia species on PlantoScan.

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

Madia stebbinsii 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: Harmonia stebbinsii (T.W.Nelson & J.P.Nelson) B.G.Baldwin, family Asteraceae (first published in Novon 9(4): 464 (1999)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Madia stebbinsii, 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: Unknown author Unknown author, Public domain, Wikimedia Commons — original.
  • 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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