North America Non-native Plant

Lithrea

Botanical name: Lithrea

USDA symbol: LITHR

Life cycle: perennial

Habit: tree

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Lithrea: Understanding This Non-Native Tree If you’ve come across the name lithrea in your gardening research, you might be wondering what exactly this tree is and whether it belongs in your landscape. Let’s dive into what we know about this somewhat mysterious plant and explore better alternatives for your garden. ...

Lithrea: Understanding This Non-Native Tree

If you’ve come across the name lithrea in your gardening research, you might be wondering what exactly this tree is and whether it belongs in your landscape. Let’s dive into what we know about this somewhat mysterious plant and explore better alternatives for your garden.

What Is Lithrea?

Lithrea is a perennial tree that falls into the category of woody plants with typically a single main trunk. These trees can grow quite impressive, normally reaching heights greater than 13 to 16 feet, though under certain environmental conditions, they might develop a shorter, multi-stemmed growth form.

Native Status and Distribution

Here’s something important to know right off the bat: Lithrea is not native to the United States. It’s been introduced from elsewhere and has established itself in the wild, reproducing without human intervention. Currently, you’ll find it growing in California, where it has managed to persist and spread on its own.

Should You Plant Lithrea in Your Garden?

This is where things get a bit tricky. While Lithrea isn’t necessarily labeled as invasive or noxious, the fact that it’s a non-native species that reproduces spontaneously in the wild should give us pause. As responsible gardeners, we always want to consider the bigger picture of our local ecosystems.

Why Choose Native Alternatives Instead?

Since Lithrea is non-native, you might want to consider some fantastic native tree options that will better support your local wildlife and fit naturally into your regional ecosystem. Native trees offer several advantages:

  • They’re perfectly adapted to your local climate and soil conditions
  • They provide food and habitat for native birds, insects, and other wildlife
  • They typically require less water and maintenance once established
  • They help preserve the character of your local landscape

Native Tree Alternatives for California

If you’re in California where Lithrea has established itself, consider these beautiful native alternatives:

  • Coast Live Oak (Quercus agrifolia) – A stunning evergreen oak
  • California Sycamore (Platanus racemosa) – Beautiful bark and large leaves
  • Toyon (Heteromeles arbutifolia) – Gorgeous berries that birds love
  • California Bay Laurel (Umbellularia californica) – Aromatic evergreen

The Bottom Line

While Lithrea might seem like an interesting tree option, the lack of detailed information about its growing requirements, combined with its non-native status, makes it a questionable choice for thoughtful gardeners. Instead of taking a chance on a plant that’s already spreading beyond cultivation, why not choose a native tree that you know will thrive in your area while supporting local wildlife?

Your garden is an opportunity to create a little piece of habitat that connects to the larger web of life in your region. By choosing native plants, you’re not just creating a beautiful space – you’re contributing to the health and resilience of your local ecosystem. And honestly, that’s pretty exciting!

Lithrea

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Sapindales

Family

Anacardiaceae R. Br. - Sumac family

Genus

Lithrea Miers ex Hook. & Arn. - lithrea

Species

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