North America Native Plant

Porsild’s False Candytuft

Botanical name: Smelowskia calycina var. porsildii

USDA symbol: SMCAP

Life cycle: perennial

Habit: forb

Native status: Native to Alaska  

Synonyms: Smelowskia porsildii (Drury & Rollins) Yurtsev (SMPO)   

Porsild’s False Candytuft: An Arctic Treasure Not for Your Garden Meet Porsild’s false candytuft (Smelowskia calycina var. porsildii), one of nature’s most specialized performers. This tiny perennial forb has mastered the art of survival in some of Earth’s most challenging conditions, but don’t expect to find it thriving in your ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 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. ⚘

Porsild’s False Candytuft: An Arctic Treasure Not for Your Garden

Meet Porsild’s false candytuft (Smelowskia calycina var. porsildii), one of nature’s most specialized performers. This tiny perennial forb has mastered the art of survival in some of Earth’s most challenging conditions, but don’t expect to find it thriving in your backyard anytime soon!

What Makes This Plant Special

Porsild’s false candytuft is a remarkable variety of the broader Smelowskia calycina species, distinguished enough to earn its own scientific designation. As a perennial forb, it lacks the woody stems of shrubs and trees, instead relying on underground structures to survive Alaska’s brutal winters. You might also see it referenced by its synonym, Smelowskia porsildii, in older botanical texts.

Where You’ll Find It (Spoiler: Probably Not Near You)

This hardy little survivor calls Alaska home, and Alaska alone. It’s perfectly adapted to the state’s extreme Arctic conditions, where most plants would simply give up and call it quits. The plant’s distribution is limited to specific regions within Alaska, making it a true northern specialist.

Why Your Garden Isn’t Ready for This Arctic Athlete

Before you get excited about adding this unique native to your landscape, let’s have a reality check. Porsild’s false candytuft has evolved for conditions that would make a polar bear reach for a sweater. Here’s why it’s not coming to a garden center near you:

  • It requires extreme cold temperatures and short growing seasons
  • Specialized Arctic soil conditions are essential for its survival
  • The plant likely grows in USDA hardiness zones 1-2 or even colder
  • Its conservation status (S5T3T4Q) indicates some uncertainty about population stability

What It Brings to Its Natural Ecosystem

In its natural Arctic habitat, this small forb plays its part in the delicate tundra ecosystem. While we don’t have extensive data on its specific wildlife benefits, plants in harsh Arctic environments typically serve important roles for specialized pollinators and wildlife that have adapted to these extreme conditions.

Better Alternatives for Your Native Garden

If you’re inspired by the idea of growing hardy native plants that can handle challenging conditions, consider these more garden-friendly alternatives:

  • Look for other members of the mustard family (Brassicaceae) native to your region
  • Research cold-hardy native forbs suitable for your specific hardiness zone
  • Connect with local native plant societies for region-appropriate recommendations

The Takeaway

Porsild’s false candytuft is a testament to nature’s incredible adaptability, but it’s definitely not destined for cultivation outside its native Arctic home. Sometimes the best way to appreciate a native plant is to admire it from afar and focus on growing natives that are actually suited to our gardens. Your local ecosystem will thank you for choosing plants that can thrive in your specific conditions while supporting local wildlife.

Instead of trying to tame this Arctic specialist, why not explore the many wonderful native plants that are perfectly suited to your region? They’ll be much happier, and so will you!

Porsild’s False Candytuft

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Smelowskia C.A. Mey. - candytuft

Species

Smelowskia calycina (Stephan ex Willd.) C.A. Mey. - alpine smelowskia

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