North America Native Plant

Mohr Oak

Botanical name: Quercus mohriana

USDA symbol: QUMO

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Mohr Oak: A Tough Little Native for Southwestern Gardens If you’re looking for a hardy, drought-tolerant native tree that won’t take over your entire yard, meet the Mohr oak (Quercus mohriana). This scrappy little oak might not get the same attention as its towering cousins, but it’s got plenty of ...

Mohr Oak: A Tough Little Native for Southwestern Gardens

If you’re looking for a hardy, drought-tolerant native tree that won’t take over your entire yard, meet the Mohr oak (Quercus mohriana). This scrappy little oak might not get the same attention as its towering cousins, but it’s got plenty of personality packed into its compact frame.

What Makes Mohr Oak Special?

Mohr oak is a true native of the American Southwest, calling Texas, Oklahoma, and New Mexico home. Unlike the massive shade trees you might picture when you think oak, this species keeps things manageable as a multi-stemmed shrub that typically stays under 13-16 feet tall. It’s the perfect size for smaller landscapes or for adding structure to native plant gardens without overwhelming the space.

Why Your Garden (and Local Wildlife) Will Love It

This tough little oak is like the reliable friend who’s always there when you need them. Once established, Mohr oak shrugs off drought conditions that would send other plants running for cover. But it’s not just about low maintenance – this native beauty is a wildlife magnet.

Oaks are legendary for supporting biodiversity, and Mohr oak is no exception. It provides pollen for various insects and serves as a host plant for numerous moth and butterfly caterpillars. The acorns it produces become a valuable food source for birds, squirrels, and other wildlife, making your garden a little ecosystem hub.

Where Does Mohr Oak Shine?

This adaptable native fits beautifully into several garden styles:

  • Drought-tolerant and xeriscape gardens
  • Native plant landscapes
  • Wildlife habitat gardens
  • Naturalized areas and prairie edges
  • Small-space gardens where a full-sized oak would be overwhelming

Growing Conditions and Care

Mohr oak thrives in USDA hardiness zones 7-9, making it perfect for much of the South and Southwest. Here’s what this easy-going native prefers:

  • Sunlight: Full sun for best growth and form
  • Soil: Well-draining soils; adaptable to various soil types
  • Water: Drought tolerant once established; minimal watering needed
  • Space: Allow room for its natural multi-stemmed form

Planting and Care Tips

Getting your Mohr oak off to a good start is straightforward. Fall planting gives the roots time to establish before summer heat arrives. Choose a sunny spot with good drainage – this oak doesn’t appreciate wet feet.

During the first year, provide occasional deep watering to help establish the root system. After that, you can largely let nature take the wheel. Mohr oak requires minimal pruning, though you can shape it lightly if desired. The natural multi-stemmed growth habit is part of its charm, so resist the urge to force it into a single-trunk form.

The Bottom Line

Mohr oak proves that good things come in smaller packages. This native shrub delivers big benefits – wildlife support, drought tolerance, and year-round structure – without demanding much in return. For gardeners in its native range looking to create sustainable, wildlife-friendly landscapes, Mohr oak is a smart choice that gets better with age.

Whether you’re designing a full native plant garden or just want to add one reliable, regionally appropriate plant to your landscape, this tough little oak deserves a spot on your list. Your local wildlife will thank you, and you’ll appreciate having a beautiful, low-maintenance plant that truly belongs in your corner of the world.

Mohr 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 mohriana Buckley ex Rydb. - Mohr oak

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