North America Native Plant

Gambel Oak

Botanical name: Quercus gambelii var. bonina

USDA symbol: QUGAB2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Gambel Oak: A Rare Native Treasure Worth Protecting If you’re looking to add a truly special native plant to your Utah landscape, Quercus gambelii var. bonina might just be the hidden gem you’ve been searching for. This particular variety of Gambel oak is as rare as it is beautiful, making ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Gambel Oak: A Rare Native Treasure Worth Protecting

If you’re looking to add a truly special native plant to your Utah landscape, Quercus gambelii var. bonina might just be the hidden gem you’ve been searching for. This particular variety of Gambel oak is as rare as it is beautiful, making it a conversation starter for any native plant enthusiast willing to take on a gardening challenge.

What Makes This Plant Special?

Quercus gambelii var. bonina is a native perennial shrub that calls Utah home. As a multi-stemmed woody plant, it typically stays under 13-16 feet tall, though it can occasionally grow taller or develop a single trunk depending on environmental conditions. Think of it as nature’s own shape-shifter, adapting its form to whatever Mother Nature throws its way.

What truly sets this variety apart is its rarity. With a Global Conservation Status of S5T1Q, this plant is extremely uncommon in the wild. That Q in the status means there are still questions about its exact classification – even botanists are still figuring this one out!

Where You’ll Find It Growing

This unique variety is native to Utah, where it has adapted to local growing conditions over thousands of years. As a native species to the lower 48 states, it’s perfectly suited to its home range and supports local ecosystems in ways that non-native plants simply can’t match.

Should You Plant It?

Here’s where things get interesting. While this Gambel oak variety would make a fantastic addition to native gardens and naturalized landscapes, its rarity means you need to be extra thoughtful about sourcing. If you do decide to grow it, make sure you’re getting your plant from a reputable nursery that sources responsibly – never collect from wild populations.

The shrub growth habit makes it perfect for:

  • Native wildlife gardens
  • Naturalized landscape areas
  • Erosion control on slopes
  • Creating habitat corridors
  • Adding structure to native plant communities

The Growing Challenge

We’ll be honest with you – specific growing information for this particular variety is limited. That’s partly what makes it such a rare find! What we do know is that as a Utah native, it’s adapted to local climate conditions and soil types found in its natural range.

Since detailed growing conditions, hardiness zones, and care requirements aren’t well-documented for this specific variety, your best bet is to:

  • Consult with local native plant societies
  • Contact Utah botanical gardens or extension services
  • Work with nurseries specializing in rare native plants
  • Observe growing conditions where it naturally occurs (if you’re lucky enough to find it!)

A Plant Worth Protecting

Growing Quercus gambelii var. bonina isn’t just about adding another plant to your garden – it’s about participating in conservation. By cultivating this rare variety responsibly, you’re helping ensure its survival for future generations of both gardeners and wildlife.

While we can’t promise it’ll be the easiest plant you’ve ever grown, we can guarantee it’ll be one of the most meaningful. Sometimes the best plants aren’t the ones that come with detailed care instructions – they’re the ones that connect us to the wild spaces we’re working to protect.

If you’re up for the challenge of growing something truly special, this rare Gambel oak variety might just be your next great gardening adventure. Just remember: source responsibly, plant thoughtfully, and enjoy being part of this plant’s conservation story.

Gambel 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 gambelii Nutt. - Gambel oak

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