North America Native Plant

Hybrid Oak

Botanical name: Quercus ×walteriana

USDA symbol: QUWA

Life cycle: perennial

Habit: tree

Native status: Native to the lower 48 states  

Hybrid Oak: A Native Tree with Mystery and Potential If you’re looking to add a native tree to your landscape but want something a bit different from the usual suspects, you might want to consider the hybrid oak (Quercus ×walteriana). This intriguing native tree combines the best traits of its ...

Hybrid Oak: A Native Tree with Mystery and Potential

If you’re looking to add a native tree to your landscape but want something a bit different from the usual suspects, you might want to consider the hybrid oak (Quercus ×walteriana). This intriguing native tree combines the best traits of its parent species, though it remains one of the more mysterious members of the oak family.

What Makes This Oak Special?

Quercus ×walteriana is what botanists call a hybrid oak – the × in its name is the giveaway that this tree is the result of two different oak species getting together and creating something new. As a perennial woody plant, this hybrid oak develops into a substantial tree with a single trunk, typically growing over 13-16 feet tall, though environmental conditions can sometimes result in shorter, multi-stemmed growth forms.

Where You’ll Find It Growing Wild

This native hybrid oak calls the southeastern United States home, naturally occurring across Alabama, Florida, Georgia, North Carolina, and South Carolina. It’s a true native species to the lower 48 states, making it an excellent choice for gardeners who want to support local ecosystems with indigenous plants.

Should You Plant a Hybrid Oak?

Here’s where things get interesting – and a bit challenging. While hybrid oak is undeniably native and carries the typical benefits you’d expect from oak species, specific information about this particular hybrid is surprisingly scarce. Here’s what we do know:

  • It’s a native species, so you’re supporting local wildlife and ecosystems
  • As an oak, it likely provides the typical oak benefits like acorn production for wildlife
  • It has the potential for substantial size, making it suitable for larger landscapes
  • Being a hybrid, it may display unique characteristics from both parent species

The Challenge: Limited Growing Information

Unfortunately, specific details about this hybrid oak’s exact growing conditions, care requirements, USDA hardiness zones, and landscape performance are not well-documented in standard gardening resources. This makes it a bit of a gamble for home gardeners who prefer well-established growing guidelines.

What This Means for Your Garden

If you’re an adventurous gardener who enjoys trying unusual native plants and you live within this oak’s natural range (southeastern states), hybrid oak could be an exciting addition to your landscape. However, you’ll need to be prepared for some trial and error since specific care instructions aren’t readily available.

For most gardeners, especially those new to native plants, you might want to consider other well-documented native oak species that offer similar benefits with much more available growing information and proven landscape performance.

Making the Decision

Hybrid oak represents an interesting piece of our native flora, but its mystery might be more appealing to botanical enthusiasts than everyday gardeners. If you do decide to try it, source your plant from reputable native plant nurseries and be prepared to observe and adapt your care based on how the tree responds in your specific location.

Remember, there are many other native oak species with extensive growing guides and proven track records that can provide similar ecological benefits with much less guesswork involved.

Hybrid Oak

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Fagales

Family

Fagaceae Dumort. - Beech family

Genus

Quercus L. - oak

Species

Quercus ×walteriana Ashe [laevis × nigra] - hybrid oak

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA