North America Native Plant

Shreve Oak

Botanical name: Quercus parvula var. shrevei

USDA symbol: QUPAS2

Life cycle: perennial

Habit: tree

Native status: Native to the lower 48 states  

Synonyms: Quercus shrevei C.H. Mull. (QUSH3)   

Shreve Oak: A Native California Tree Worth Knowing Meet the Shreve oak (Quercus parvula var. shrevei), a native California tree that deserves a spot on every native plant enthusiast’s radar. While this particular variety might not be as well-known as some of its oak cousins, it represents an important piece ...

Rare plant alert!

Region: Conservation status by state

Status: S4QT4?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Shreve Oak: A Native California Tree Worth Knowing

Meet the Shreve oak (Quercus parvula var. shrevei), a native California tree that deserves a spot on every native plant enthusiast’s radar. While this particular variety might not be as well-known as some of its oak cousins, it represents an important piece of California’s natural heritage and could be a valuable addition to the right garden setting.

What Makes Shreve Oak Special?

As a variety of the island scrub oak, Shreve oak is a true California native, exclusively found within the Golden State. This perennial tree typically grows as a single-stemmed specimen, reaching heights greater than 13-16 feet under ideal conditions, though environmental factors can sometimes result in a shorter, multi-stemmed growth pattern.

Where Does Shreve Oak Grow?

Shreve oak is endemic to California, making it a perfect choice for gardeners who want to support local ecosystems and create authentic native landscapes. Its natural range is limited to specific areas within the state, which adds to its uniqueness as a garden specimen.

Why Consider Shreve Oak for Your Garden?

Here’s why this native oak might be worth considering:

  • True California native: Supporting local ecosystems and wildlife
  • Tree form: Provides structure and height to landscape designs
  • Perennial longevity: A long-term investment in your garden’s future
  • Conservation value: Growing native species helps preserve genetic diversity

The Reality Check

Here’s where we need to be honest: specific information about Shreve oak’s growing requirements, appearance, and garden performance is quite limited. This variety appears to be either very specialized or understudied, which means gardeners interested in this tree will need to do some detective work.

If you’re drawn to this plant, we’d recommend:

  • Contacting local native plant societies in California
  • Reaching out to botanical gardens or university extension services
  • Connecting with specialized native oak growers
  • Considering the more widely available Quercus parvula (island scrub oak) if you can’t locate this specific variety

A Note About Responsible Sourcing

Given the limited information available about this variety and its restricted California range, if you do locate Shreve oak for your garden, make sure you’re purchasing from reputable native plant nurseries that source their material responsibly. Never collect plants from wild populations.

The Bottom Line

Shreve oak represents the fascinating diversity within California’s native oak family. While we’d love to give you detailed growing instructions and design tips, the limited available information about this specific variety means you’ll be somewhat pioneering if you choose to grow it. For most gardeners, exploring other well-documented California native oaks might be a more practical starting point, but for the adventurous native plant enthusiast, Shreve oak could be an intriguing project.

Have experience with Shreve oak? We’d love to hear about it, as every bit of growing knowledge helps build our understanding of these special native trees.

Shreve 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 parvula Greene - coast oak

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