North America Native Plant

Klamath Mountain Mahogany

Botanical name: Cercocarpus montanus var. macrourus

USDA symbol: CEMOM2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Cercocarpus betuloides Nutt. var. macrourus (Rydb.) Jeps. (CEBEM)   

Klamath Mountain Mahogany: A Hidden Gem for Drought-Tolerant Gardens Meet the Klamath mountain mahogany (Cercocarpus montanus var. macrourus), a tough-as-nails native shrub that’s been quietly thriving in the mountains of California and Oregon long before water-wise gardening became trendy. This unassuming beauty might not win any flashy flower contests, but ...

Klamath Mountain Mahogany: A Hidden Gem for Drought-Tolerant Gardens

Meet the Klamath mountain mahogany (Cercocarpus montanus var. macrourus), a tough-as-nails native shrub that’s been quietly thriving in the mountains of California and Oregon long before water-wise gardening became trendy. This unassuming beauty might not win any flashy flower contests, but it’s got something better: serious staying power and year-round appeal that’ll make your garden both gorgeous and guilt-free.

Where Does It Call Home?

This hardy native makes its home in the rugged Klamath Mountains region, spanning parts of northern California and southern Oregon. It’s perfectly adapted to the Mediterranean climate and rocky soils of the Pacific Northwest, which means it knows how to handle whatever Mother Nature throws its way.

What Makes It Special?

Don’t let the name fool you – this isn’t actually a mahogany tree at all! The Klamath mountain mahogany is a perennial shrub that typically grows 4-5 meters tall (that’s about 13-16 feet for those keeping track). What really sets this plant apart are its incredible feathery seed tails that appear in fall, creating silvery plumes that catch the light and dance in the breeze. It’s like having your own personal fireworks display, but way more subtle and infinitely more drought-tolerant.

In spring, you’ll be treated to clusters of small white flowers that may not stop traffic, but they’ll definitely catch the attention of native bees and other pollinators looking for an early-season snack.

Why Your Garden Will Love It

Here’s where the Klamath mountain mahogany really shines – it’s the ultimate low-maintenance garden companion. Once established, this shrub laughs in the face of drought, making it perfect for:

  • Water-wise and xeriscaped gardens
  • Native plant landscapes
  • Rock gardens and naturalized areas
  • Slopes that need erosion control
  • Wildlife-friendly spaces

Its evergreen to semi-evergreen foliage provides year-round structure, while those spectacular seed plumes add textural interest that’ll have your neighbors asking, What IS that beautiful plant?

Growing Your Own Mountain Mahogany

Good news for busy gardeners – this plant practically grows itself once you get it started. Here’s how to set it up for success:

Location, Location, Location: Find it a sunny spot with well-draining soil. This plant despises soggy feet, so avoid anywhere water tends to pool. Rocky or sandy soils? Even better – it feels right at home.

When to Plant: Fall or early spring are your best bets. This gives the roots time to establish before the heat of summer kicks in.

USDA Hardiness: Hardy in zones 6-9, so it can handle both chilly winters and hot summers like a champ.

Watering Wisdom: Water regularly the first year to help it get established, then step back and let it do its thing. Once mature, it’ll thrive on rainfall alone in most areas.

Pruning Pointers: Less is more with this plant. Light pruning to shape or remove dead branches is all it needs. Heavy pruning can actually stress it out, so resist the urge to go overboard.

The Wildlife Connection

Planting Klamath mountain mahogany isn’t just good for your garden – it’s like rolling out the welcome mat for local wildlife. Those spring flowers provide crucial nectar for native bees and other small pollinators, while birds appreciate both the shelter and the seeds that follow the flowers.

The Bottom Line

If you’re looking for a native plant that delivers year-round beauty with minimal fuss, the Klamath mountain mahogany deserves a spot on your shortlist. It’s drought-tolerant, wildlife-friendly, and brings a touch of wild mountain elegance to any garden. Plus, there’s something deeply satisfying about growing a plant that’s perfectly suited to your local climate – it’s gardening in harmony with nature, and honestly, what could be better than that?

So why not give this Pacific Northwest native a try? Your garden (and the local bees) will thank you for it.

Klamath Mountain Mahogany

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

Cercocarpus Kunth - mountain mahogany

Species

Cercocarpus montanus Raf. - alderleaf mountain mahogany

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