North America Native Plant

Hybrid Oak

Botanical name: Quercus ×demareei

USDA symbol: QUDE2

Life cycle: perennial

Habit: tree

Native status: Native to the lower 48 states  

Hybrid Oak: A Mysterious Native Tree Worth Considering Meet the hybrid oak (Quercus ×demareei), one of nature’s more enigmatic creations. This native American tree represents the fascinating world of natural hybridization, where two oak species have crossed to create something entirely unique. While it may not be the most well-documented ...

Hybrid Oak: A Mysterious Native Tree Worth Considering

Meet the hybrid oak (Quercus ×demareei), one of nature’s more enigmatic creations. This native American tree represents the fascinating world of natural hybridization, where two oak species have crossed to create something entirely unique. While it may not be the most well-documented tree in your field guides, this hybrid oak has quietly been growing in southeastern forests for generations.

What Makes This Oak Special?

As a natural hybrid, Quercus ×demareei represents the best of both parent species rolled into one tree. Like all oaks, it’s a perennial woody plant that develops into a substantial tree, typically reaching heights greater than 13-16 feet with a single, sturdy trunk. Under certain environmental conditions, it might develop a shorter, multi-stemmed growth form, but it’s generally a classic tree-shaped specimen.

Where You’ll Find This Native Beauty

This hybrid oak calls the southeastern United States home, specifically Arkansas, Louisiana, and North Carolina. It’s a true native to the lower 48 states, meaning it has been naturally occurring in these regions long before European settlement. This native status makes it an excellent choice for gardeners looking to support local ecosystems and wildlife.

The Challenge (and Appeal) of Growing Hybrid Oak

Here’s where things get interesting – and a bit challenging. Unlike many popular landscape trees, specific growing information for Quercus ×demareei is surprisingly limited. This scarcity of detailed horticultural information means you’re somewhat pioneering if you choose to grow this tree.

However, this shouldn’t necessarily discourage you. As a native species within its range, this hybrid oak is naturally adapted to local conditions and climate patterns. If you live within its native range, it’s likely to thrive with minimal intervention once established.

General Oak Care Principles

While specific care instructions for this hybrid are limited, we can apply general oak growing wisdom:

  • Most oaks prefer well-draining soil and full sun to partial shade
  • Young oaks benefit from regular watering during establishment (first 2-3 years)
  • Mature oaks are typically drought-tolerant
  • Avoid disturbing the soil around established oak trees
  • Mulch around the base to retain moisture and suppress weeds

Should You Plant This Mysterious Oak?

The decision to plant Quercus ×demareei comes with both intrigue and uncertainty. On the positive side, you’re supporting native biodiversity and potentially providing habitat for local wildlife – oaks are generally excellent for supporting insects, birds, and other creatures. The mystery aspect might appeal to gardeners who enjoy having something unique and conversation-worthy in their landscape.

On the flip side, the limited availability of specific growing information means you’ll be working with some unknowns. You might not know exactly how large it will get, what its mature form will look like, or what specific conditions it prefers.

Finding and Sourcing This Hybrid

Don’t expect to find Quercus ×demareei at your typical garden center. This hybrid oak is more likely to be found through:

  • Native plant societies in Arkansas, Louisiana, or North Carolina
  • Specialty native plant nurseries
  • Botanical gardens or arboretums in its native range
  • Local naturalist groups or forest restoration projects

The Bottom Line

Quercus ×demareei is a plant for the adventurous gardener who appreciates native species and doesn’t mind a bit of mystery in their landscape. If you’re within its native range and can source it responsibly, this hybrid oak could become a unique centerpiece that connects your garden to the natural heritage of the southeastern United States. Just be prepared to learn alongside your tree as it grows, since you’ll both be writing the book on its garden performance together.

For gardeners seeking more predictable results, consider well-documented native oaks in your region instead. But for those drawn to botanical mysteries and native plant conservation, this hybrid oak might be exactly the kind of special tree your landscape has been waiting for.

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 ×demareei Ashe [nigra × velutina] - 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