North America Native Plant

Cascade Rose

Botanical name: Rosa yainacensis

USDA symbol: ROYA

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Cascade Rose: A Rare Pacific Northwest Native Worth Knowing If you’re passionate about native plants and love the idea of growing something truly special, let me introduce you to the Cascade rose (Rosa yainacensis). This little-known native gem is one of those plants that makes you feel like you’re in ...

Rare plant alert!

Region: Conservation status by state

Status: S2S4Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 ⚘

Cascade Rose: A Rare Pacific Northwest Native Worth Knowing

If you’re passionate about native plants and love the idea of growing something truly special, let me introduce you to the Cascade rose (Rosa yainacensis). This little-known native gem is one of those plants that makes you feel like you’re in on a well-kept gardening secret.

What Makes Cascade Rose Special?

The Cascade rose is a charming perennial shrub that stays refreshingly compact. Unlike some of its showier rose cousins that can take over a garden, this native beauty keeps things manageable, typically growing under 1.5 feet tall and never exceeding 3 feet at maturity. It’s the perfect size for gardeners who love roses but don’t want to wrestle with towering, thorny giants.

Where Does Cascade Rose Call Home?

This delightful native is truly a Pacific Northwest specialty, naturally occurring in California and Oregon. As a plant that’s native to the lower 48 states, it has deep roots in American landscapes—literally and figuratively.

A Word of Caution: Rarity Matters

Here’s where things get important: Cascade rose has a conservation status that suggests it may be uncommon in the wild. This means if you’re considering adding this native beauty to your garden, you absolutely must source it responsibly. Never collect plants from the wild, and always purchase from reputable nurseries that propagate their stock rather than wild-harvest.

Why Consider Cascade Rose for Your Garden?

There are several compelling reasons to give this native rose a spot in your landscape:

  • It’s truly native to the Pacific coast, making it naturally adapted to local conditions
  • Its compact size makes it perfect for smaller gardens or as part of a native plant collection
  • Growing native plants helps support local ecosystems
  • You’ll be cultivating something genuinely special and uncommon

Garden Design Ideas

Given its modest stature, Cascade rose works beautifully in several garden settings. Consider it for native plant gardens, rock gardens, or as part of a Pacific Northwest themed landscape. Its low-growing habit makes it an excellent choice for the front of borders or in areas where you want the charm of a rose without the overwhelming presence.

The Reality of Growing Cascade Rose

I’ll be honest with you—detailed growing information for this specific native rose is limited, which speaks to just how special and uncommon it really is. This isn’t your typical garden center rose with volumes of care instructions. If you’re lucky enough to find Cascade rose from a reputable native plant nursery, treat it like you would other Pacific Northwest natives: provide well-draining soil and conditions that mimic its natural habitat.

Supporting Conservation Through Gardening

By choosing to grow Cascade rose (when responsibly sourced), you’re participating in conservation efforts. Home gardeners play a crucial role in preserving genetic diversity of native plants, especially those that may be uncommon in the wild.

While Cascade rose might not be the easiest native plant to find or grow, that’s exactly what makes it special. For the dedicated native plant enthusiast, it represents an opportunity to nurture something truly unique while supporting Pacific Northwest biodiversity. Just remember—if you can’t find it from responsible sources, there are many other beautiful native roses that can fill that spot in your garden while you keep an eye out for this rare gem.

Cascade Rose

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

Rosa L. - rose

Species

Rosa yainacensis Greene - Cascade rose

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