North America Native Plant

Pygmyflower Rockjasmine

Botanical name: Androsace septentrionalis glandulosa

USDA symbol: ANSEG2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Androsace glandulosa Wooton & Standl. (ANGL8)  âš˜  Androsace septentrionalis L. var. glandulosa (Wooton & Standl.) H. St. John (ANSEG)   

Pygmyflower Rockjasmine: A Tiny Native Gem for Specialized Gardens If you’re drawn to the world of diminutive wildflowers and challenging alpine gardening, pygmyflower rockjasmine (Androsace septentrionalis glandulosa) might just capture your heart. This petite native forb brings a delicate charm to specialized garden settings, though it’s definitely not your typical ...

Pygmyflower Rockjasmine: A Tiny Native Gem for Specialized Gardens

If you’re drawn to the world of diminutive wildflowers and challenging alpine gardening, pygmyflower rockjasmine (Androsace septentrionalis glandulosa) might just capture your heart. This petite native forb brings a delicate charm to specialized garden settings, though it’s definitely not your typical backyard bloomer.

What Makes Pygmyflower Rockjasmine Special?

This little native belongs to the primrose family and lives up to its pygmy name – we’re talking about flowers that measure just 3-5 millimeters across! The tiny white blooms sport cheerful yellow centers and cluster together in small, umbrella-like arrangements called umbels. Despite their size, these flowers pack a surprising visual punch when they carpet rocky outcrops in their native habitat.

Pygmyflower rockjasmine is classified as both annual and perennial, meaning individual plants may complete their life cycle in one year or persist for multiple seasons depending on growing conditions. As a forb (a non-woody flowering plant), it maintains a low, ground-hugging profile with small, narrow leaves that help it survive in harsh, rocky environments.

Where Does It Call Home?

This southwestern native has carved out its niche across four states: Arizona, Colorado, New Mexico, and Texas. You’ll typically find it growing wild in rocky, mountainous areas where few other plants dare to venture. It’s perfectly adapted to the challenging conditions of high-elevation sites and rocky slopes.

Should You Grow Pygmyflower Rockjasmine?

Here’s where we need to have an honest conversation. While pygmyflower rockjasmine is undeniably charming and supports native plant biodiversity, it’s not the easiest garden companion. This specialized little plant has very specific requirements that can be challenging to replicate in typical garden settings.

Reasons to consider it:

  • It’s a true native that supports local ecosystem health
  • Perfect for authentic rock gardens and alpine collections
  • Extremely drought-tolerant once established
  • Provides habitat for small beneficial insects
  • Adds unique texture and interest to specialized plantings

Reasons to think twice:

  • Very specific growing requirements that are hard to meet
  • Difficult to source from nurseries
  • May not thrive in typical garden conditions
  • Extremely small size makes it easy to overlook

Growing Conditions and Care

If you’re up for the challenge, pygmyflower rockjasmine thrives in USDA hardiness zones 4-8. The absolute non-negotiable requirement is excellent drainage – think water runs away immediately level of drainage. In nature, this plant grows in rocky crevices where water never sits.

Ideal growing conditions include:

  • Full sun to partial shade
  • Well-draining, sandy or rocky soil
  • Minimal to no summer watering once established
  • Protection from areas that stay wet
  • Rocky or gravelly mulch rather than organic matter

Planting and Care Tips

Successfully growing pygmyflower rockjasmine requires mimicking its natural habitat as closely as possible. Plant it in rock gardens, between flagstones, or in specially prepared alpine beds with exceptional drainage.

Water sparingly during establishment, then rely primarily on natural rainfall. This plant has evolved to handle drought and may actually suffer from too much attention! Avoid fertilizers, as rich soils can cause more harm than good.

The Bottom Line

Pygmyflower rockjasmine is a fascinating native plant that deserves recognition for its specialized beauty and ecological value. However, it’s definitely a plant for experienced gardeners who enjoy the challenge of growing difficult species. If you’re new to native gardening or looking for low-maintenance options, you might want to start with more forgiving southwestern natives before tackling this tiny treasure.

For those ready to embrace the challenge, successfully growing pygmyflower rockjasmine offers the satisfaction of cultivating one of nature’s more specialized creations right in your own garden.

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