North America Native Plant

Nakedstem Saxifrage

Botanical name: Saxifraga nudicaulis

USDA symbol: SANU2

Life cycle: perennial

Habit: forb

Native status: Native to Alaska  

Synonyms: Micranthes nudicaulis (D. Don) Gornall & H. Ohba (MINU7)   

Nakedstem Saxifrage: A Rare Arctic Beauty for Specialized Gardens If you’re drawn to unique, cold-hardy plants with a story to tell, nakedstem saxifrage (Saxifraga nudicaulis) might just capture your imagination. This petite perennial is a true child of the north, bringing a touch of Arctic wilderness to gardens that can ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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 ⚘ 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 ⚘

Nakedstem Saxifrage: A Rare Arctic Beauty for Specialized Gardens

If you’re drawn to unique, cold-hardy plants with a story to tell, nakedstem saxifrage (Saxifraga nudicaulis) might just capture your imagination. This petite perennial is a true child of the north, bringing a touch of Arctic wilderness to gardens that can accommodate its very specific needs.

What Is Nakedstem Saxifrage?

Nakedstem saxifrage is a small, herbaceous perennial that belongs to the saxifrage family. True to its common name, this plant produces delicate flower stems that appear naked – relatively free of leaves as they rise above the basal rosette. The botanical name Saxifraga nudicaulis literally translates to rock-breaker with naked stems, a nod to the plant’s ability to grow in rocky crevices and its distinctive bare flower stalks.

Also known by its scientific synonym Micranthes nudicaulis, this hardy little forb typically produces clusters of small white flowers that seem to float above its leafy base on slender, mostly leafless stems.

Where Does It Come From?

Nakedstem saxifrage is native exclusively to Alaska, making it one of the more geographically limited plants you might consider for your garden. In the wild, it thrives in the harsh conditions of Alaska’s diverse landscapes, from coastal areas to mountainous regions.

Should You Grow Nakedstem Saxifrage?

Here’s where things get interesting – and challenging. While this plant has undeniable appeal for collectors of rare natives, it comes with some important considerations:

The Rarity Factor

Nakedstem saxifrage has a conservation status that suggests it may be uncommon in parts of its range. If you’re determined to grow this plant, it’s crucial to source it responsibly from reputable native plant nurseries that propagate their own stock rather than wild-collecting.

Climate Requirements

This is perhaps the biggest hurdle for most gardeners. Nakedstem saxifrage is adapted to Alaska’s climate and thrives in USDA hardiness zones 2-5. If you live in a warmer climate, this plant simply won’t survive your summers.

Growing Conditions and Care

For gardeners in suitable climates, nakedstem saxifrage can be a rewarding addition to specialized garden settings:

  • Light: Partial shade to protect from intense sun
  • Soil: Well-draining but consistently moist soil
  • Water: Regular moisture (it has facultative wetland status, meaning it usually grows in wet areas but can tolerate drier conditions)
  • Temperature: Cool conditions year-round; struggles in heat

Garden Design and Landscape Role

When successfully grown, nakedstem saxifrage works beautifully in:

  • Alpine and rock gardens
  • Native plant collections focusing on Arctic species
  • Cool, moist woodland edges
  • Specialized containers in unheated greenhouses

Its low-growing rosette form and delicate flower clusters make it an excellent choice for close-up viewing in small-scale plantings where its subtle beauty can be appreciated.

Wildlife and Pollinator Benefits

The small white flowers of nakedstem saxifrage attract various small pollinators, including flies and tiny bees that are active in cool weather. While not a major wildlife plant, it plays its part in supporting the specialized pollinator communities of its native range.

The Bottom Line

Nakedstem saxifrage is definitely a plant for specialized situations and dedicated gardeners. If you live in zones 2-5, have experience with challenging alpine plants, and can source it responsibly, it could be a fascinating addition to your collection. However, most gardeners would be better served by more adaptable native alternatives that provide similar aesthetic appeal without the stringent requirements.

For those in warmer climates or seeking easier alternatives, consider other saxifrage species native to your region, or explore other small, white-flowered perennials that can provide similar garden impact with greater adaptability.

Nakedstem 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 nudicaulis D. Don - nakedstem saxifrage

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