Bur Oak Plant Care
Quercus macrocarpa Endl.
Quercus macrocarpa, the bur oak or burr oak, is a species of oak tree native to central and eastern North America. It is in the white oak section, Quercus sect.
Every 7–14 days
Full sun
0–100°F
30–70%
What Is the Bur Oak?
Bur Oak (Quercus macrocarpa) belongs to the Fagaceae family within the Quercus genus. Bur Oak is native to central and eastern North America. Bur Oak is also known as Mossycup Oak, Blue Oak, Drought Oak.
Bur Oak displays a large deciduous tree growth habit, reaching up to 80 inches tall with a spread of approximately 60 inches. Bur Oak produces inconspicuous catkins.
Leaf size: approximately 6 inches.
How Often Should You Water a Bur Oak?
Quercus macrocarpa 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 Bur Oak Need?
Bur Oak thrives in full sun light conditions. The optimal light range is 2000–10000 lux. Avoid placing Bur 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 Bur Oak Prefer?
Quercus macrocarpa grows best at temperatures between 0°F and 100°F. Bur Oak prefers humidity levels of 30–70%.
Temperature
0–100°F
Humidity
30–70%
What Soil Mix Works Best for a Bur Oak?
Well-draining loamy soil with good organic content. Good drainage is essential for Bur Oak to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Bur 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 Bur Oak?
Bur 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 Bur Oak Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Bur Oak?
Bur 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 Bur Oak Need?
Bur Oak grows outdoors in USDA Zone 2b – 9a. Native to central and eastern North America, Bur Oak is adapted to warm climates. In cooler regions, grow Bur Oak as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 2b – 9a
Keep exploring plants
Bur 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.
Bur 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: