Red Oak (Quercus rubra)

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Red Oak Plant Care

Quercus rubra L.

Quercus rubra, also known as the northern red oak, is distinctive for its large, lobed leaves that turn a brilliant red in the fall. This tree is native to North America and is popular among plant enthusiasts for its stunning autumn foliage.nativeTo: North America

🌳Trees
Water

Every 7–14 days

Light

Full sun

Temp

0–100°F

Humidity

30–70%

What Is the Red Oak?

Red Oak (Quercus rubra) belongs to the Fagaceae family within the Quercus genus. Red Oak is native to North America. Red Oak is also known as Northern Red Oak.

Red Oak displays a large deciduous tree growth habit, reaching up to 80 inches tall with a spread of approximately 60 inches. Red Oak produces inconspicuous catkins.

Leaf size: approximately 6 inches.

How Often Should You Water a Red Oak?

Quercus rubra requires watering every 7–14 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 7–14 days

Let soil partially dry between waterings

What Light Does the Red Oak Need?

Red Oak thrives in full sun light conditions. The optimal light range is 2000–10000 lux. Avoid placing Red Oak in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Full sun

2000–10000 lux

What Temperature and Humidity Does the Red Oak Prefer?

Quercus rubra grows best at temperatures between 0°F and 100°F. Red Oak prefers humidity levels of 30–70%.

Temperature

0–100°F

Humidity

30–70%

What Soil Mix Works Best for a Red Oak?

Well-draining loamy soil with good organic content. Good drainage is essential for Red Oak to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Red Oak?

Repot every 2-3 years in early 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 Red Oak?

Red Oak can be propagated through acorns, grafting. Similar propagation techniques also apply to white oak plant care, which shares the same genus.

Fertilizing

Every 26 months

During the growing season

Is the Red Oak Toxic to Pets and Children?

Non-Toxic

Non-toxic to humans and pets

What Pests and Diseases Affect the Red Oak?

Red 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.

What USDA Hardiness Zone Does the Red Oak Need?

Red Oak grows outdoors in USDA Zone 3a – 8b. Native to North America, Red Oak is adapted to warm climates. In cooler regions, grow Red Oak as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 3a – 8b

Keep exploring plants

Red 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.

Red 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:

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