Treub's Oak Plant Care
Quercus treubiana Seemen
Updated · Sources · How we source care data
This plant's most distinctive feature is its large, glossy, dark green leaves with deeply lobed edges. Originating from the mountainous regions of Java, Indonesia, Quercus treubiana is highly sought after by plant collectors for its rarity and unique foliage. Its elegant appearance and exotic origins make it a prized addition to any botanical collection.
Every 7–14 days
Full sun
50–100°F
30–70%
At a glance
How do you care for Treub's Oak?
Plant Treub's Oak in full sun (USDA zones 10a–11b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–100°F (10–38°C).
What Is the Treub's Oak?
Treub's Oak (Quercus treubiana) belongs to the Fagaceae family within the Quercus genus. Treub's Oak is native to the tropical mountain forests of Borneo and Sumatra at altitudes between 600 and 2200m.
Treub's Oak displays a large deciduous tree growth habit, reaching up to 80 ft tall with a spread of approximately 60 ft. Treub's Oak produces inconspicuous catkins.
Leaf size: approximately 6 inches.
How Often Should You Water a Treub's Oak?
Water a young or newly planted Treub's Oak 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 Treub's Oak Need?
Treub's Oak thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Treub's Oak Prefer?
Quercus treubiana tolerates temperatures of 50–100°F. Treub's Oak prefers humidity levels of 30–70%.
Temperature
50–100°F
Humidity
30–70%
What Soil Mix Works Best for a Treub's Oak?
Well-draining loamy soil with good organic content. Good drainage is essential for Treub's Oak to prevent waterlogging, which leads to root rot and fungal issues.
Where Should You Plant a Treub's Oak?
Choose a spot with full sun and well-draining loamy soil with good organic content. Avoid low spots where water collects after rain.
Treub's Oak is suited to USDA Zone 10a – 11b.
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 Treub's Oak?
Treub's Oak can spread to about 60 ft (18.3 m) and reach about 80 ft (24 m) tall. Space plants about 60 ft (18.3 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 Treub's Oak?
Prune Treub's Oak 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 Treub's Oak in Winter?
Treub's Oak is frost-tender (hardy to USDA zone 10). 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 Treub's Oak?
Treub's Oak can be propagated through acorns, grafting. Similar propagation techniques also apply to english oak plant care, which shares the same genus.
Is the Treub's Oak Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Treub's Oak, 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 Treub's Oak?
Treub's Oak is susceptible to oak leaf blister, oak wilt, gypsy moth. 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 Treub's Oak Need?
Treub's Oak grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Treub's Oak is native to the tropical mountain forests of Borneo and Sumatra at altitudes between 600 and 2200m. In cooler regions, grow Treub's Oak as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 11b
Keep exploring plants
Treub's Oak 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 Quercus genus — compare its care with other Quercus species on PlantoScan.
Quercus is part of the Fagaceae plant family — browse all Fagaceae genera and species.
Treub's Oak thrives in bright light and direct sun — see other bright-light plants.
More Quercus Species
Other Quercus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Quercus treubiana Seemen, family Fagaceae (first published in Bull. Dép. Agric. Indes Néerl. 1: 3 (1906)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Treub's Oak, 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 10a – 11b, estimated from the plant's typical growing conditions.
- 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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