Pachystroma longifolium Plant Care

Pachystroma longifolium I.M.Johnst.

Updated · Sources · How we source care data

Pachystroma is a monotypic plant genus in the family Euphorbiaceae first described as a genus in 1865. It is the only genus of its tribe (Pachystromateae).

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Water

Every 7–14 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Pachystroma longifolium?

Plant Pachystroma longifolium in bright indirect light (USDA zones 13b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Pachystroma longifolium Native To?

Native range3 countries

What Is the Pachystroma longifolium?

Pachystroma longifolium (Pachystroma longifolium) belongs to the Euphorbiaceae family within the Pachystroma genus. Pachystroma longifolium is native to Brazil, Bolivia and Peru.

Pachystroma longifolium displays a tall, upright tree growth habit, reaching up to 10 ft tall with a spread of approximately 5 ft. Pachystroma longifolium produces small, inconspicuous flowers in clusters.

Leaf size: approximately 6 inches.

How Often Should You Water a Pachystroma longifolium?

Water a young or newly planted Pachystroma longifolium every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees 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 Pachystroma longifolium Need?

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

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Pachystroma longifolium Prefer?

Pachystroma longifolium tolerates temperatures of 65–80°F. Pachystroma longifolium 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 Pachystroma longifolium?

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

How Often Should You Fertilize a Pachystroma longifolium?

Feed Pachystroma longifolium every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees 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 Pachystroma longifolium?

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

Pachystroma longifolium is suited to USDA Zone 13b.

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

How Far Apart Should You Plant a Pachystroma longifolium?

Pachystroma longifolium can spread to about 5 ft (1.5 m) and reach about 10 ft (3 m) tall. Space plants about 5 ft (1.5 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 tree spacing calculator.

How Do You Prune a Pachystroma longifolium?

Prune Pachystroma longifolium 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 tree in one year.

How Do You Care for a Pachystroma longifolium in Winter?

Pachystroma longifolium 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 Pachystroma longifolium?

Pachystroma longifolium can be propagated through stem cuttings, air layering.

Is the Pachystroma longifolium Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

Mildly toxic to humans and pets

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 Pachystroma longifolium?

Pachystroma longifolium is susceptible to spider mites, mealybugs, scale insects. 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 Pachystroma longifolium Need?

Pachystroma longifolium grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Pachystroma longifolium is native to Brazil, Bolivia and Peru. In cooler regions, grow Pachystroma longifolium as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Pachystroma longifolium 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 Pachystroma genus — compare its care with other Pachystroma species on PlantoScan.

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

Pachystroma longifolium 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: Pachystroma longifolium I.M.Johnst., family Euphorbiaceae (first published in Contr. Gray Herb. 68: 90 (1923)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pachystroma longifolium is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. 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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