North America Native Plant

Furniss’s Phacelia

Botanical name: Phacelia furnissii

USDA symbol: PHFU5

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Furniss’s Phacelia: A Rare Desert Gem Worth Protecting Meet Furniss’s phacelia (Phacelia furnissii), one of Arizona’s most elusive native wildflowers. This little-known annual forb represents both the beauty and fragility of our desert ecosystems. While you might be tempted to add this unique native to your garden, there’s an important ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Furniss’s Phacelia: A Rare Desert Gem Worth Protecting

Meet Furniss’s phacelia (Phacelia furnissii), one of Arizona’s most elusive native wildflowers. This little-known annual forb represents both the beauty and fragility of our desert ecosystems. While you might be tempted to add this unique native to your garden, there’s an important conservation story you need to know first.

A Critically Rare Treasure

Before we dive into growing tips, let’s talk about why Furniss’s phacelia is so special—and so vulnerable. This native Arizona plant carries a Global Conservation Status of S1, meaning it’s critically imperiled. With typically five or fewer known occurrences and fewer than 1,000 individuals remaining in the wild, this species teeters on the edge of extinction.

What does this mean for gardeners? If you’re interested in growing Furniss’s phacelia, you must only use responsibly sourced material from reputable native plant nurseries that propagate from ethically collected seeds. Never collect seeds or plants from wild populations.

Where Does It Call Home?

Furniss’s phacelia is found exclusively in Arizona, making it a true endemic treasure of the Southwest. Its extremely limited geographic range contributes to its vulnerable status and makes every individual plant precious for the species’ survival.

Getting to Know This Desert Annual

As an annual forb, Furniss’s phacelia completes its entire life cycle in one growing season. Like other members of the Phacelia family, it’s an herbaceous plant without woody tissue, putting all its energy into producing flowers and seeds before the harsh desert conditions take their toll.

While specific details about this rare species are limited due to its scarcity, it likely shares characteristics with its more common Phacelia relatives, potentially featuring clusters of small, delicate flowers that desert pollinators adore.

Should You Grow Furniss’s Phacelia?

Here’s the honest truth: while supporting native plants is always admirable, Furniss’s phacelia presents unique challenges that make it unsuitable for most home gardens:

  • Extremely limited availability from ethical sources
  • Unknown specific growing requirements
  • Conservation concerns about removing genetic material from wild populations
  • Better alternatives exist for desert gardening

Better Alternatives for Your Native Garden

Instead of risking the conservation of this rare species, consider these more common and equally beautiful Phacelia alternatives for your Arizona native garden:

  • Phacelia campanularia (California Bluebell)
  • Phacelia tanacetifolia (Lacy Phacelia)
  • Phacelia crenulata (Notch-leaf Phacelia)

These species offer similar pollinator benefits and desert adaptation while being more readily available and less conservation-sensitive.

Supporting Conservation Efforts

The best way to help Furniss’s phacelia isn’t necessarily growing it in your garden—it’s supporting conservation organizations working to protect Arizona’s rare native plants and their habitats. Consider donating to or volunteering with local botanical gardens, native plant societies, or conservation groups focused on desert plant preservation.

The Bottom Line

Furniss’s phacelia represents the incredible diversity and fragility of our native plant communities. While it may not be the right choice for your home garden, learning about and appreciating these rare species helps us become better stewards of our natural heritage. Sometimes the best way to love a plant is to let it thrive in its natural habitat while we choose more suitable alternatives for our cultivated spaces.

Remember: every native plant in your garden makes a difference for local wildlife and ecosystems. Choose wisely, source responsibly, and help preserve the remarkable botanical diversity of the American Southwest for future generations to discover and protect.

Furniss’s 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 furnissii N.D. Atwood - Furniss's phacelia

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