North America Native Plant

Idaho Kittentails

Botanical name: Synthyris platycarpa

USDA symbol: SYPL

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Idaho Kittentails: A Rare Gem for Your Native Garden If you’re looking to add a touch of Idaho’s wild beauty to your garden while supporting local wildlife, Idaho kittentails might just be the perfect addition. This charming little native plant brings early spring color and ecological benefits to the right ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Idaho Kittentails: A Rare Gem for Your Native Garden

If you’re looking to add a touch of Idaho’s wild beauty to your garden while supporting local wildlife, Idaho kittentails might just be the perfect addition. This charming little native plant brings early spring color and ecological benefits to the right garden setting—though its rarity means you’ll want to be extra thoughtful about how you acquire it.

Meet Idaho Kittentails

Idaho kittentails (Synthyris platycarpa) is a delightful perennial forb that’s as unique as its name suggests. This low-growing plant forms neat rosettes of rounded leaves and produces clusters of small purple to blue flowers that emerge in early spring, often when little else is blooming in the garden.

As a true Idaho native, this species is found nowhere else in the world except within the gem state’s borders. It’s what botanists call an endemic species—making it a special treasure for Idaho gardeners who want to showcase their state’s unique natural heritage.

Why Consider Idaho Kittentails for Your Garden?

There are several compelling reasons to include this native beauty in your landscape:

  • Early pollinator support: Those spring blooms provide crucial nectar when few other flowers are available
  • Low maintenance: Once established, it’s quite drought tolerant and requires minimal care
  • Unique heritage: You’ll be growing something that exists nowhere else on Earth
  • Rock garden star: Its compact size and preference for well-draining soil make it perfect for rock gardens
  • Spring interest: Provides color when your garden is just waking up from winter

Important Conservation Considerations

Here’s where we need to have a serious conversation: Idaho kittentails has a Global Conservation Status of S3, meaning it’s considered vulnerable in the wild. With only 21 to 100 known occurrences and between 3,000 and 10,000 individuals estimated to exist, this plant needs our protection.

If you’re interested in growing Idaho kittentails, please only purchase from reputable nurseries that propagate their plants from seed or cuttings—never from wild-collected material. Better yet, if you can find seeds from ethical sources, growing your own plants from seed is the most conservation-friendly approach.

Growing Idaho Kittentails Successfully

This hardy perennial is well-suited for USDA hardiness zones 4-7, making it perfect for most Idaho gardens and similar climates.

Ideal Growing Conditions

  • Sunlight: Partial shade to full sun
  • Soil: Well-draining, rocky or gravelly soil preferred
  • Water: Drought tolerant once established; avoid overwatering
  • Location: Rock gardens, slopes, or naturalized areas

Planting and Care Tips

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage—this plant hates wet feet
  • Mulch lightly with gravel rather than organic mulch
  • Water regularly the first year to establish roots, then reduce watering
  • No fertilizer needed—it prefers lean soil conditions

Perfect Garden Partners

Idaho kittentails plays well with other native plants that enjoy similar conditions. Consider pairing it with native sedums, penstemon species, or other drought-tolerant natives that won’t compete aggressively for space.

The Bottom Line

Idaho kittentails offers Idaho gardeners a chance to grow something truly special—a plant found nowhere else on Earth that supports local pollinators and adds unique character to rock gardens and native plantings. Just remember to source your plants responsibly to help protect wild populations of this vulnerable species.

With minimal care requirements and maximum charm, Idaho kittentails proves that sometimes the best garden additions are the ones that have been quietly thriving in your own backyard—or in this case, your own state—all along.

Idaho Kittentails

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Synthyris Benth. - kittentails

Species

Synthyris platycarpa Gail & Pennell - Idaho kittentails

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