Oglethorpe oak
Quercus oglethorpensis
Last reviewed: October 2026
Oglethorpe oak (Quercus oglethorpensis) is a perennial tree native to AL, GA, LA, MS and 1 more states. It blooms in April and May.
Toxicity unknown
Oglethorpe oak (Quercus oglethorpensis) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
medium
Size
480"–720" H × 360"–600" W
Bloom
Apr, May
Native to
AL, GA, LA, MS and 1 more states
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 460 programs across 44 states, each with a link to the provider and the date we last checked it.
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Browse plants for this ecoregion
A large deciduous oak with a rounded crown and narrow oblong leaves that lack the typical lobing of most oaks. An uncommon species found in moist bottomland woods and along streams.
Growing Oglethorpe oak
Grow Oglethorpe oak in full sun and medium water. Mature plants reach 480 to 720 inches tall and spread 360 to 600 inches wide.
Wildlife value
Host plant for banded hairstreak.
Acorns feed birds and mammals, and the foliage hosts banded hairstreak caterpillars among other oak-feeding moths.
Common questions
- How much sun does Oglethorpe oak need?
- Oglethorpe oak grows best in full sun conditions.
- When does Oglethorpe oak bloom?
- Oglethorpe oak blooms in April and May.
- Where is Oglethorpe oak native?
- Oglethorpe oak (Quercus oglethorpensis) is native to AL, GA, LA, MS and 1 more states, per the World Checklist of Vascular Plants (Kew).
- What butterflies or moths does Oglethorpe oak host?
- Oglethorpe oak is a larval host plant for banded hairstreak.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Oglethorpe oak? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.