Samhaen leucas Plant Care

Leucas samhaensis Cortés-Burns & A.G.Mill.

Updated · Sources · How we source care data

This rare plant from the island of Socotra in Yemen is easily recognized by its unique silvery leaves with velvety texture. Collectors are drawn to Leucas samhaensis for its striking appearance and its status as a unique addition to their plant collections. With its origin in a remote location, it is a prized find among plant enthusiasts.

🌿Shrubs🌱Herbs
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

50–70%

At a glance

How do you care for Samhaen leucas?

Water Samhaen leucas 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 65–85°F (18–29°C) and 50–70% humidity. Fertilize it every 2 months during the growing season.

Where Is the Samhaen leucas Native To?

Native range1 country

What Is the Samhaen leucas?

Samhaen leucas (Leucas samhaensis) belongs to the Lamiaceae family within the Leucas genus. Samhaen leucas is native to the island of Samhah in Yemen's Socotra Archipelago. Samhaen leucas is also known as Yemeni Leucas.

Samhaen leucas displays a low spreading herb growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Samhaen leucas produces small tubular white flowers in dense spikes.

Leaf size: approximately 4 inches.

How Often Should You Water a Samhaen leucas?

Leucas samhaensis 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 Samhaen leucas Need?

Samhaen leucas thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Samhaen leucas Prefer?

Leucas samhaensis grows best at temperatures of 65–85°F. Samhaen leucas prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–85°F

Humidity

50–70%

What Soil Mix Works Best for a Samhaen leucas?

Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Samhaen leucas to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Samhaen leucas?

Feed Samhaen leucas every 2 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 2 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 Samhaen leucas?

Repot annually in 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 Samhaen leucas?

Samhaen leucas can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to leucas flagellifera plant care, which shares the same genus.

Is the Samhaen leucas Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Samhaen leucas, 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 Samhaen leucas?

Samhaen leucas 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.

Keep exploring plants

Samhaen leucas 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 Leucas genus — compare its care with other Leucas species on PlantoScan.

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

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

More Leucas Species

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

Sources

  • Scientific name & taxonomy: Leucas samhaensis Cortés-Burns & A.G.Mill., family Lamiaceae (first published in Ethnofl. Soqotra Archipelago : 724 (2004)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Samhaen leucas, 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.
  • 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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