North America Native Plant

Glandular Phacelia

Botanical name: Phacelia glandulosa var. deserta

USDA symbol: PHGLD

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Phacelia deserta A. Nelson (PHDE22)   

Glandular Phacelia: A Rare Desert Gem for Native Plant Enthusiasts If you’re passionate about native plants and love supporting rare species, glandular phacelia (Phacelia glandulosa var. deserta) might just be the perfect addition to your desert or drought-tolerant garden. This charming little wildflower is a true Wyoming native that deserves ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Glandular Phacelia: A Rare Desert Gem for Native Plant Enthusiasts

If you’re passionate about native plants and love supporting rare species, glandular phacelia (Phacelia glandulosa var. deserta) might just be the perfect addition to your desert or drought-tolerant garden. This charming little wildflower is a true Wyoming native that deserves more attention from gardeners who want to make a difference in plant conservation.

What Makes Glandular Phacelia Special?

Glandular phacelia is an annual to biennial forb that brings delicate beauty to harsh desert landscapes. This herbaceous plant produces clusters of small, tubular flowers in lovely shades of blue to purple, arranged in the characteristic coiled pattern that makes phacelia flowers so distinctive. The entire plant has a somewhat fuzzy, glandular texture that gives it its common name.

What really sets this plant apart is its rarity. With a Global Conservation Status of S4T2, glandular phacelia is considered uncommon to rare, making it a special treasure for native plant gardens.

Where Does It Grow Naturally?

This desert variety of glandular phacelia calls Wyoming home, thriving in the state’s arid landscapes. As a native species to the lower 48 states, it’s perfectly adapted to the challenging conditions of the American West.

Why Grow Glandular Phacelia?

There are several compelling reasons to consider adding this rare beauty to your garden:

  • Pollinator magnet: The tubular flowers are perfectly designed to attract native bees and other important pollinators
  • Water-wise choice: Once established, it’s incredibly drought tolerant
  • Conservation impact: Growing rare natives helps preserve genetic diversity
  • Authentic regional character: Perfect for creating truly local landscapes
  • Low maintenance: Thrives with minimal care once established

Important Conservation Note

Before you rush out to find seeds or plants, there’s something crucial to know: glandular phacelia is rare. This means you should only source it from reputable native plant nurseries or seed companies that ethically collect or propagate their stock. Never collect seeds or plants from wild populations, as this can harm already vulnerable populations.

Perfect Garden Settings

Glandular phacelia shines in:

  • Desert and xeriscaping gardens
  • Native plant collections
  • Pollinator gardens
  • Rock gardens with good drainage
  • Wildflower meadows in arid regions

Growing Conditions and Care

This hardy little plant is surprisingly easy to grow once you understand its needs:

Sunlight: Full sun is essential for healthy growth and flowering

Soil: Well-draining sandy or rocky soils work best. Heavy, water-retentive soils are a no-go

Water: Minimal watering once established. Overwatering is more likely to kill it than drought

Climate: Best suited for USDA hardiness zones 4-7, matching its Wyoming origins

Planting and Propagation Tips

Growing glandular phacelia from seed is your best bet:

  • Direct sow seeds in fall for spring germination, or early spring after cold stratification
  • Barely cover seeds with soil – they need light to germinate
  • Keep soil slightly moist until germination, then reduce watering
  • Space plants about 6-12 inches apart
  • Allow some plants to self-seed for natural continuation

The Bottom Line

Glandular phacelia is a wonderful choice for gardeners who want to support rare native species while creating beautiful, water-wise landscapes. Just remember to source it responsibly and give it the well-drained, sunny conditions it craves. Your local pollinators will thank you, and you’ll be doing your part to help preserve this special piece of Wyoming’s natural heritage.

While it may not be the showiest plant in your garden, there’s something deeply satisfying about growing a rare native that’s perfectly adapted to your local conditions. Plus, those delicate blue flowers are absolutely charming when they appear in late spring or early summer!

Glandular Phacelia

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

Solanales

Family

Hydrophyllaceae R. Br. - Waterleaf family

Genus

Phacelia Juss. - phacelia

Species

Phacelia glandulosa Nutt. - glandular phacelia

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