North America Native Plant

Nye County False Candytuft

Botanical name: Smelowskia holmgrenii

USDA symbol: SMHO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Nye County False Candytuft: A Rare Nevada Native Worth Protecting Meet one of Nevada’s most exclusive botanical residents: Nye County false candytuft (Smelowskia holmgrenii). This little-known perennial forb is so specialized and rare that most gardeners have never heard of it—and that’s exactly why it deserves our attention and protection. ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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 ⚘

Nye County False Candytuft: A Rare Nevada Native Worth Protecting

Meet one of Nevada’s most exclusive botanical residents: Nye County false candytuft (Smelowskia holmgrenii). This little-known perennial forb is so specialized and rare that most gardeners have never heard of it—and that’s exactly why it deserves our attention and protection.

What Makes This Plant Special

Nye County false candytuft is a true Nevada endemic, meaning it exists nowhere else on Earth except within the Silver State’s borders. As a member of the mustard family, it produces clusters of small white flowers that might remind you of its more familiar garden cousins, but this alpine specialist has adapted to some of the harshest growing conditions imaginable.

This hardy perennial is classified as a forb—essentially a non-woody plant that lacks significant woody tissue above ground. Don’t let its delicate appearance fool you; this little survivor has evolved to thrive in extreme high-elevation environments where most plants simply can’t make it.

Where You’ll Find It (If You’re Lucky)

Smelowskia holmgrenii calls only Nevada home, specifically the remote high-elevation areas of Nye County. This isn’t a plant you’ll stumble across on a casual nature walk—it inhabits specialized alpine environments that require some serious hiking to reach.

A Plant That Needs Our Help

Here’s where things get serious: Nye County false candytuft has a Global Conservation Status of S2S3, indicating it’s quite rare and potentially vulnerable. This means every population matters, and the species faces an uncertain future without careful conservation efforts.

For gardeners interested in this unique native, this rarity status comes with responsibility. If you’re considering adding this plant to your collection, it’s absolutely crucial to source it only from reputable native plant nurseries that use ethically collected, propagated material—never wild-collected plants.

Growing Conditions: Not for Beginners

Let’s be honest—Nye County false candytuft isn’t going to be happy in your typical suburban garden bed. This alpine specialist demands conditions that mirror its harsh mountain homeland:

  • Excellent drainage is non-negotiable—think rocky, gravelly soils
  • Full sun exposure
  • Cool temperatures and good air circulation
  • Minimal water once established
  • Protection from hot, humid conditions

If you’re determined to grow this rare beauty, you’ll likely need to create a specialized alpine or rock garden environment. Consider raised beds with specially mixed, fast-draining soil, and be prepared for a significant gardening challenge.

Garden Role and Design Ideas

In the right conditions, Nye County false candytuft can serve as a unique ground cover or accent plant in alpine-style gardens. Its low-growing habit and specialized nature make it perfect for:

  • Rock gardens that mimic alpine conditions
  • Specialized native plant collections
  • Conservation-focused landscape designs
  • Educational gardens highlighting rare Nevada natives

Supporting Pollinators and Wildlife

While specific data on wildlife benefits is limited, plants in the mustard family typically attract small native bees, flies, and other pollinators to their modest but important flowers. In its natural habitat, this plant likely plays a role in supporting specialized high-elevation pollinator communities.

The Bottom Line

Nye County false candytuft represents something truly special—a plant that exists nowhere else and has evolved to survive in one of nature’s most challenging environments. While it’s not a plant for every garden or every gardener, it serves as an important reminder of the incredible botanical diversity we need to protect.

If you’re an experienced alpine gardener with the right conditions and a commitment to conservation, this rare Nevada native could be a meaningful addition to your collection. Just remember: source responsibly, garden ethically, and help ensure this unique species has a future in both wild places and cultivation.

For most gardeners looking to support Nevada natives, consider starting with more accessible species that offer similar benefits without the conservation concerns. Your local native plant society can suggest appropriate alternatives that will thrive in your specific conditions while still supporting local ecosystems.

Nye County 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 holmgrenii Rollins - Nye County false candytuft

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