North America Native Plant

Saddle Mountain Saxifrage

Botanical name: Saxifraga hitchcockiana

USDA symbol: SAHI7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Saxifraga occidentalis S. Watson var. latipetiolata C.L. Hitchc. (SAOCL)   

Saddle Mountain Saxifrage: Oregon’s Rarest Alpine Gem Meet one of Oregon’s most exclusive botanical residents: Saddle Mountain saxifrage (Saxifraga hitchcockiana). This tiny alpine treasure is so rare that it calls just one place on Earth home, making it one of the most critically endangered plants in the Pacific Northwest. A ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Saddle Mountain Saxifrage: Oregon’s Rarest Alpine Gem

Meet one of Oregon’s most exclusive botanical residents: Saddle Mountain saxifrage (Saxifraga hitchcockiana). This tiny alpine treasure is so rare that it calls just one place on Earth home, making it one of the most critically endangered plants in the Pacific Northwest.

A Plant on the Brink

Before we dive into the details, there’s something crucial you need to know about Saddle Mountain saxifrage. This perennial forb has a Global Conservation Status of S1, which means it’s critically imperiled. With typically five or fewer known occurrences and very few remaining individuals (fewer than 1,000), this plant is hanging on by a thread in the wild.

Important Conservation Note: If you’re considering adding this plant to your garden, please only use responsibly sourced material from reputable native plant nurseries that propagate from legally obtained seeds or cuttings. Never collect from wild populations.

Where in the World?

Saxifraga hitchcockiana is a true Oregon endemic, found nowhere else on the planet except in the state of Oregon. More specifically, it’s restricted to the alpine areas of Saddle Mountain in Oregon’s Coast Range. This incredibly limited geographic distribution is part of what makes it so vulnerable to extinction.

What Does It Look Like?

As a member of the saxifrage family, Saddle Mountain saxifrage is a small perennial forb – essentially a non-woody flowering plant that comes back year after year. Like other saxifrages, it likely produces clusters of small, delicate flowers and forms low-growing rosettes of leaves adapted to harsh alpine conditions.

Why Grow Saddle Mountain Saxifrage?

Here’s the honest truth: most gardeners shouldn’t attempt to grow this plant. Here’s why:

  • It requires very specific alpine growing conditions that are nearly impossible to replicate in typical home gardens
  • Its extreme rarity means disturbing wild populations could contribute to its extinction
  • It’s likely adapted to the unique microclimate and soil conditions of Saddle Mountain
  • Availability from nurseries is virtually non-existent

For the Serious Alpine Gardener

If you’re an experienced alpine gardener with the proper setup and access to ethically sourced plants, here’s what Saddle Mountain saxifrage would likely need:

Growing Conditions

  • Cool, moist conditions similar to its mountain habitat
  • Excellent drainage to prevent root rot
  • Protection from hot afternoon sun
  • Rocky or gravelly soil mix
  • Consistent moisture without waterlogging

Garden Role

In the rare instance where it could be successfully grown, Saddle Mountain saxifrage would be best suited for:

  • Specialized alpine rock gardens
  • Conservation collections
  • Cool, north-facing slopes with excellent drainage
  • Containers in alpine houses or cold frames

Better Alternatives for Your Garden

Instead of attempting to grow this critically rare species, consider these more readily available native Oregon saxifrages and similar alpine plants:

  • Western saxifrage (Saxifraga occidentalis) – more widespread and garden-tolerant
  • Oregon stonecrop (Sedum oreganum) – another native alpine succulent
  • Tolmie’s saxifrage (Saxifraga tolmiei) – if you can find it from ethical sources

Conservation in Action

The story of Saddle Mountain saxifrage is ultimately about conservation. By choosing not to disturb wild populations and supporting conservation efforts instead, gardeners can play a crucial role in protecting Oregon’s unique botanical heritage. Sometimes the best way to appreciate a rare plant is to leave it undisturbed in its natural habitat.

If you’re passionate about rare native plants, consider supporting local botanical gardens, native plant societies, or conservation organizations working to protect Oregon’s endangered flora. That’s how we ensure future generations can marvel at plants like Saddle Mountain saxifrage in their natural home.

Saddle Mountain Saxifrage

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

Saxifragaceae Juss. - Saxifrage family

Genus

Saxifraga L. - saxifrage

Species

Saxifraga hitchcockiana Elvander - Saddle Mountain saxifrage

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