North America Native Plant

Klamath Plum

Botanical name: Prunus subcordata var. subcordata

USDA symbol: PRSUS

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Klamath Plum: A Hidden Gem for Your Native Garden If you’re looking for a native shrub that delivers beauty, wildlife value, and low-maintenance charm, let me introduce you to the Klamath plum (Prunus subcordata var. subcordata). This delightful member of the rose family might not be on everyone’s radar, but ...

Klamath Plum: A Hidden Gem for Your Native Garden

If you’re looking for a native shrub that delivers beauty, wildlife value, and low-maintenance charm, let me introduce you to the Klamath plum (Prunus subcordata var. subcordata). This delightful member of the rose family might not be on everyone’s radar, but it definitely deserves a spot in your garden planning conversations.

What Is Klamath Plum?

Klamath plum is a perennial, multi-stemmed shrub that typically grows 4-13 feet tall, though it can reach up to 16 feet under ideal conditions. As a true native of the American West, this hardy shrub has been thriving in the wild long before any of us started thinking about sustainable gardening practices.

Where Does It Call Home?

This charming native makes its home across three Pacific Coast states: California, Oregon, and Washington. You’ll find it naturally occurring in mountainous regions, where it’s perfectly adapted to the local climate and growing conditions.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Klamath plum really shines as a garden addition:

  • Early pollinator support: Those lovely white flowers appear in spring before the leaves, providing crucial early-season nectar for native bees, butterflies, and other pollinators when few other plants are blooming
  • Wildlife buffet: The small purple-red plums that follow the flowers are a hit with birds and other wildlife
  • Four-season interest: Spring flowers, summer fruit, attractive fall foliage, and interesting winter branch structure
  • Low maintenance: Once established, it’s quite drought tolerant and doesn’t demand much fussing

Perfect Garden Roles

Klamath plum is wonderfully versatile in the landscape. It’s ideal for:

  • Native plant gardens where you want authentic regional character
  • Wildlife habitat gardens focused on supporting local ecosystems
  • Naturalized areas where you prefer a more informal, wild look
  • Slopes where you need attractive erosion control
  • Drought-tolerant landscapes that still want seasonal interest

Growing Conditions and Hardiness

One of the best things about Klamath plum is how adaptable it is. This shrub thrives in USDA hardiness zones 5-9, making it suitable for a wide range of climates. It prefers well-drained soils and performs best in full sun to partial shade conditions.

The drought tolerance really kicks in after the first year, making it an excellent choice for water-wise gardening. It’s also quite adaptable to different soil types, though good drainage is key to keeping it happy.

Planting and Care Tips

Getting your Klamath plum off to a good start is pretty straightforward:

  • Timing: Plant in fall or early spring when the weather is mild
  • First year care: Water regularly during the establishment period, then you can back off
  • Pruning: Light pruning after fruiting helps maintain shape, but heavy pruning isn’t necessary
  • Fertilizing: Generally doesn’t need supplemental fertilization – native plants prefer lean conditions
  • Mulching: A layer of organic mulch helps retain moisture and suppress weeds

The Bottom Line

Klamath plum offers that sweet spot of native authenticity, wildlife value, and garden-friendly characteristics that make it worth considering for your landscape. It’s not flashy or demanding – just a solid, dependable shrub that quietly does its job of supporting local ecosystems while adding seasonal beauty to your garden.

Whether you’re creating a dedicated native plant space or just want to add more regionally appropriate plants to your existing landscape, Klamath plum brings that perfect combination of form and function that makes both gardeners and wildlife happy.

Klamath Plum

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

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Prunus L. - plum

Species

Prunus subcordata Benth. - Klamath plum

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