North America Native Plant

Pygmyflower Rockjasmine

Botanical name: Androsace septentrionalis puberulenta

USDA symbol: ANSEP2

Life cycle: annual

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Androsace puberulenta Rydb. (ANPU7)  âš˜  Androsace septentrionalis L. var. puberulenta (Rydb.) R. Knuth (ANSEP)   

Pygmyflower Rockjasmine: A Tiny Native Gem for Your Rock Garden If you’re looking for a charming, low-maintenance native plant that thrives in challenging conditions, let me introduce you to pygmyflower rockjasmine (Androsace septentrionalis puberulenta). This delightful little forb might be small in stature, but it’s big on character and perfect ...

Pygmyflower Rockjasmine: A Tiny Native Gem for Your Rock Garden

If you’re looking for a charming, low-maintenance native plant that thrives in challenging conditions, let me introduce you to pygmyflower rockjasmine (Androsace septentrionalis puberulenta). This delightful little forb might be small in stature, but it’s big on character and perfect for gardeners who love alpine plants or need something tough for difficult spots.

What Makes Pygmyflower Rockjasmine Special?

Pygmyflower rockjasmine is a true North American native, naturally occurring across a impressive range from Canada down through the western United States. You’ll find this hardy little plant thriving in states like Colorado, Montana, Wyoming, Utah, and many others across the western region. It’s also known by several scientific synonyms, including Androsace puberulenta, so don’t be confused if you see it listed under different names at nurseries.

As a forb, this plant lacks significant woody tissue, making it more herbaceous in nature. What’s particularly interesting about pygmyflower rockjasmine is its dual nature—it can behave as either an annual or perennial depending on growing conditions, giving it remarkable adaptability.

Why You’ll Love This Plant in Your Garden

Here’s what makes pygmyflower rockjasmine a winner for many gardeners:

  • Perfect for rock gardens and alpine settings where other plants struggle
  • Extremely drought tolerant once established
  • Low-growing, mat-forming habit creates attractive ground cover
  • Delicate clusters of small white flowers add subtle beauty
  • Attracts beneficial small pollinators like native bees and flies
  • Thrives in poor soils where pampered plants fail
  • Requires minimal maintenance and care

Growing Conditions and Care

One of the best things about pygmyflower rockjasmine is how easy it is to grow—as long as you give it what it wants. This plant is adapted to harsh, dry conditions, so trying to pamper it will likely backfire.

Light Requirements: Full sun to partial shade, though it performs best with plenty of sunlight.

Soil Needs: Well-draining soil is absolutely essential. This plant actually prefers poor, rocky, or sandy soils and will struggle in rich, heavy, or moisture-retentive soils.

Water Requirements: Once established, this is a true drought warrior. Water sparingly and avoid overwatering, which is probably the fastest way to kill this plant.

Hardiness: Suitable for USDA zones 3-7, making it incredibly cold-hardy while still tolerating moderate heat.

Perfect Garden Settings

Pygmyflower rockjasmine isn’t the right choice for every garden, but it’s absolutely perfect for certain situations:

  • Rock gardens and alpine gardens
  • Xeriscaped landscapes and drought-tolerant designs
  • Naturalized areas that mimic native prairie or mountain habitats
  • Challenging spots with poor soil where other plants won’t grow
  • Between stepping stones or in gravel gardens

Supporting Native Wildlife

As a native plant, pygmyflower rockjasmine plays an important role in supporting local ecosystems. Its small flowers may seem insignificant, but they’re perfectly sized for native pollinators, particularly smaller bees and flies that might struggle with larger blooms. By choosing native plants like this one, you’re helping to maintain the delicate relationships between local wildlife and their natural food sources.

Is This Plant Right for You?

Pygmyflower rockjasmine is ideal if you’re looking for a low-maintenance native that can handle tough conditions. It’s perfect for gardeners who appreciate subtle beauty over flashy displays and want plants that work with nature rather than against it.

However, this might not be the best choice if you’re looking for a showstopper plant with bold colors or large flowers, or if your garden has rich, moist soil where this drought-adapted native would struggle.

Consider adding pygmyflower rockjasmine to your landscape if you want to create habitat for native wildlife while enjoying a charming, resilient plant that celebrates the natural beauty of North American flora.

Pygmyflower Rockjasmine

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

Primulales

Family

Primulaceae Batsch - Primrose family

Genus

Androsace L. - rockjasmine

Species

Androsace septentrionalis L. - pygmyflower rockjasmine

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