North America Native Plant

Newcombe’s Saxifrage

Botanical name: Saxifraga ferruginea var. newcombei

USDA symbol: SAFEN

Life cycle: perennial

Habit: forb

Native status: Native to Alaska  

Newcombe’s Saxifrage: A Rare Alaskan Native Worth Knowing If you’re drawn to unique native plants with a story to tell, Newcombe’s saxifrage might just capture your gardening heart. This charming perennial forb represents one of Alaska’s botanical treasures, though it’s not a plant you’ll find at your local garden center. ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is 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) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Newcombe’s Saxifrage: A Rare Alaskan Native Worth Knowing

If you’re drawn to unique native plants with a story to tell, Newcombe’s saxifrage might just capture your gardening heart. This charming perennial forb represents one of Alaska’s botanical treasures, though it’s not a plant you’ll find at your local garden center.

What Makes Newcombe’s Saxifrage Special?

Saxifraga ferruginea var. newcombei belongs to the fascinating world of saxifrages – plants whose name literally means rock breaker. True to their reputation, these hardy perennials have mastered the art of thriving in challenging rocky environments. As a forb, Newcombe’s saxifrage lacks the woody stems of shrubs and trees, instead growing as a herbaceous perennial that returns year after year from its underground root system.

Where Does It Call Home?

This native beauty is exclusively found in Alaska, where it has adapted to the state’s unique growing conditions over thousands of years. As an Alaska native, it plays an important role in the state’s natural ecosystems and represents the incredible plant diversity found in our northernmost state.

A Word About Rarity

Here’s where things get important for responsible gardeners: Newcombe’s saxifrage carries a Global Conservation Status of S5T2T3Q, indicating this variety may be uncommon to rare in the wild. This means we need to be thoughtful about how we approach growing this plant.

If you’re interested in growing Newcombe’s saxifrage, please only source plants or seeds from reputable native plant nurseries that propagate their stock responsibly. Never collect plants from wild populations, as this can harm already vulnerable plant communities.

Should You Grow Newcombe’s Saxifrage?

For Alaska gardeners passionate about native plants, Newcombe’s saxifrage offers a unique opportunity to grow something truly local and special. However, the limited availability and rarity status mean this isn’t a plant for every garden. Consider it if:

  • You’re an experienced native plant gardener
  • You have access to responsibly sourced plants
  • You’re committed to supporting Alaska’s native plant heritage
  • You enjoy growing unusual and rare species

The Challenge of Growing Something Rare

Unfortunately, detailed growing information for this specific variety is quite limited, which reflects just how uncommon it is in cultivation. What we do know is that as an Alaska native, it’s adapted to the state’s unique climate conditions and likely prefers the cooler temperatures and specific growing conditions found in its natural habitat.

If you’re lucky enough to source this plant, treat it with the respect it deserves. Provide conditions similar to its natural Alaska environment, and be prepared for some trial and error as you learn what makes this rare beauty happy in your garden.

Supporting Native Plant Conservation

Whether or not you choose to grow Newcombe’s saxifrage, you can support Alaska’s native plants by:

  • Growing other Alaska native plants that are more readily available
  • Supporting organizations that work to conserve rare plant species
  • Learning about and appreciating Alaska’s unique botanical heritage
  • Never collecting plants from wild populations

The Bottom Line

Newcombe’s saxifrage represents the fascinating diversity of Alaska’s native flora, but its rarity means it’s more of a conservation success story than a typical garden plant. For most gardeners, appreciating this species might mean learning about it and supporting conservation efforts rather than growing it in the backyard.

If you do have the opportunity to grow this rare native, consider yourself a steward of something truly special – and always remember to source your plants responsibly.

Newcombe’s 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 ferruginea Graham - russethair saxifrage

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