Sebastiania cruenta Plant Care

Sebastiania cruenta (Standl. & Steyerm.) Miranda

Updated · Sources · How we source care data

Sebastiania cruenta is a species of flowering plant in the family Euphorbiaceae. It was originally described as Stillingia cruenta Standl.

🌿Shrubs🪴Houseplants🌵Succulents
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Sebastiania cruenta?

Plant Sebastiania cruenta in bright indirect light (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.

Where Is the Sebastiania cruenta Native To?

Native range2 countries

What Is the Sebastiania cruenta?

Sebastiania cruenta (Sebastiania cruenta) belongs to the Euphorbiaceae family within the Sebastiania genus. Sebastiania cruenta is native to Mexico and Guatemala.

Sebastiania cruenta displays an upright, branching shrub growth habit, reaching up to 4 ft tall with a spread of approximately 3 ft. Sebastiania cruenta produces small greenish flowers in clusters.

Leaf size: approximately 5 inches.

How Often Should You Water a Sebastiania cruenta?

Water a young or newly planted Sebastiania cruenta every 7–10 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 7–10 days

Until established; then in dry spells

What Light Does the Sebastiania cruenta Need?

Sebastiania cruenta thrives in bright indirect light. Avoid placing Sebastiania cruenta in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Sebastiania cruenta Prefer?

Sebastiania cruenta tolerates temperatures of 65–80°F. Sebastiania cruenta prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Sebastiania cruenta?

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

How Often Should You Fertilize a Sebastiania cruenta?

Feed Sebastiania cruenta 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 Sebastiania cruenta?

Choose a spot with bright indirect light and well-draining sandy loam with added organic matter. Avoid low spots where water collects after rain.

Sebastiania cruenta is suited to USDA Zone 13b.

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 Sebastiania cruenta?

Sebastiania cruenta can spread to about 3 ft (0.9 m) and reach about 4 ft (1 m) tall. Space plants about 3 ft (0.9 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 Sebastiania cruenta?

Prune Sebastiania cruenta 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 Sebastiania cruenta in Winter?

Sebastiania cruenta is frost-tender (hardy to USDA zone 13). 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 Sebastiania cruenta?

Sebastiania cruenta can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to sebastiania argutidens plant care, which shares the same genus.

Is the Sebastiania cruenta Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Sebastiania cruenta, 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 Sebastiania cruenta?

Sebastiania cruenta is susceptible to spider mites, aphids, mealybugs. 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 Sebastiania cruenta Need?

Sebastiania cruenta grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Sebastiania cruenta is native to Mexico and Guatemala. In cooler regions, grow Sebastiania cruenta as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Sebastiania cruenta 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 Sebastiania genus — compare its care with other Sebastiania species on PlantoScan.

Sebastiania is part of the Euphorbiaceae plant family — browse all Euphorbiaceae genera and species.

Sebastiania cruenta thrives in bright light and direct sun — see other bright-light plants.

More Sebastiania Species

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

Sources

  • Scientific name & taxonomy: Sebastiania cruenta (Standl. & Steyerm.) Miranda, family Euphorbiaceae (first published in Anales Inst. Biol. Univ. Nac. México 24: 64 (1953)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Sebastiania cruenta, 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 13b, 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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