Eriothymus rubiaceus Plant Care

Eriothymus rubiaceus J.A.Schmidt

Updated · Sources · How we source care data

Eriothymus is a genus of flowering plant in the family Lamiaceae, first described as a genus in 1835. It contains only one known species, Eriothymus rubiaceus.

🌿Shrubs🌱Herbs
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Eriothymus rubiaceus?

Plant Eriothymus rubiaceus in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–14 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.

Where Is the Eriothymus rubiaceus Native To?

Native range1 country

What Is the Eriothymus rubiaceus?

Eriothymus rubiaceus (Eriothymus rubiaceus) belongs to the Lamiaceae family within the Eriothymus genus. Eriothymus rubiaceus is native to the State of Minas Gerais in Brazil.

Eriothymus rubiaceus displays a low spreading groundcover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Eriothymus rubiaceus produces small tubular purple flowers in clusters.

Leaf size: approximately 1 inches.

How Often Should You Water a Eriothymus rubiaceus?

Water a young or newly planted Eriothymus rubiaceus every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–14 days

Until established; then in dry spells

What Light Does the Eriothymus rubiaceus Need?

Eriothymus rubiaceus thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Eriothymus rubiaceus Prefer?

Eriothymus rubiaceus tolerates temperatures of 50–80°F. Eriothymus rubiaceus prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Eriothymus rubiaceus?

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

How Often Should You Fertilize a Eriothymus rubiaceus?

Feed Eriothymus rubiaceus every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Eriothymus rubiaceus?

Choose a spot with full sun to partial shade and well-draining sandy loam with added organic matter. Avoid low spots where water collects after rain.

Eriothymus rubiaceus is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Eriothymus rubiaceus?

Eriothymus rubiaceus can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

How Do You Prune a Eriothymus rubiaceus?

Prune Eriothymus rubiaceus while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

How Do You Care for a Eriothymus rubiaceus in Winter?

Eriothymus rubiaceus is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Eriothymus rubiaceus?

Eriothymus rubiaceus can be propagated through softwood cuttings, division, seeds.

Is the Eriothymus rubiaceus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Eriothymus rubiaceus, 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 Eriothymus rubiaceus?

Eriothymus rubiaceus 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 Eriothymus rubiaceus Need?

Eriothymus rubiaceus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Eriothymus rubiaceus is native to the State of Minas Gerais in Brazil. In cooler regions, grow Eriothymus rubiaceus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Eriothymus rubiaceus 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 Eriothymus genus — compare its care with other Eriothymus species on PlantoScan.

Eriothymus is part of the Lamiaceae plant family — browse all Lamiaceae genera and species.

Eriothymus rubiaceus 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: Eriothymus rubiaceus J.A.Schmidt, family Lamiaceae (first published in Fl. Bras. 8: 171 (1858)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Eriothymus rubiaceus, 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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