North America Native Plant

Barneby’s Phacelia

Botanical name: Phacelia barnebyana

USDA symbol: PHBA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Barneby’s Phacelia: A Hidden Gem of the American Southwest Meet Barneby’s phacelia (Phacelia barnebyana), one of those native wildflowers that’s so under-the-radar, you might feel like you’ve discovered a botanical secret. This little annual forb calls the American Southwest home, and while it may not be the showiest plant in ...

Rare plant alert!

Region: Conservation status by state

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

Barneby’s Phacelia: A Hidden Gem of the American Southwest

Meet Barneby’s phacelia (Phacelia barnebyana), one of those native wildflowers that’s so under-the-radar, you might feel like you’ve discovered a botanical secret. This little annual forb calls the American Southwest home, and while it may not be the showiest plant in your garden, it represents something special: a piece of our native heritage that’s quietly doing its thing in the wild landscapes of California and Nevada.

Where Does Barneby’s Phacelia Come From?

This native beauty is naturally found in California and Nevada, where it has adapted to the unique conditions of the southwestern United States. As a true native species, Barneby’s phacelia has been part of these ecosystems long before any of us started thinking about landscaping with native plants.

What Makes This Plant Special?

Barneby’s phacelia is what botanists call a forb – essentially a non-woody flowering plant that completes its entire life cycle in a single year. Think of it as nature’s way of creating quick bursts of life and color in places where conditions can be challenging. Unlike shrubs or trees, this plant puts all its energy into one spectacular growing season before setting seed for the next generation.

Here’s what we know about this intriguing native:

  • Annual lifecycle means it completes its entire life in one growing season
  • Classified as a forb, making it a herbaceous flowering plant
  • Native to the lower 48 states, specifically California and Nevada
  • Has an undefined conservation status, suggesting it may be uncommon

Should You Plant Barneby’s Phacelia?

Here’s where things get interesting – and a bit challenging. While Barneby’s phacelia would make a wonderful addition to native plant gardens, especially those focused on California or Nevada flora, there’s an important caveat. This species has an undefined conservation status, which often indicates rarity or limited population data.

If you’re drawn to this native gem, here are some considerations:

  • Only source seeds or plants from reputable native plant nurseries
  • Never collect from wild populations
  • Consider it for authentic regional native plantings
  • Perfect for gardeners passionate about rare or lesser-known natives

Growing Barneby’s Phacelia

Like many southwestern natives, Barneby’s phacelia likely prefers conditions that mimic its natural habitat. While specific growing information for this species is limited, we can make educated guesses based on its native range and plant family characteristics.

As an annual, this plant probably:

  • Germinates with seasonal rains or consistent moisture
  • Prefers well-draining soils typical of arid regions
  • Thrives in full sun to partial shade
  • Completes its bloom cycle in spring to early summer

The Pollinator Connection

While we don’t have specific data on Barneby’s phacelia’s pollinator relationships, the Phacelia genus is generally beloved by bees, butterflies, and other beneficial insects. If this species follows family patterns, it likely produces small, clustered flowers that provide nectar and pollen for native pollinators.

A Plant for the Native Plant Enthusiast

Barneby’s phacelia isn’t for everyone – and that’s okay! This is a plant for gardeners who get excited about growing something truly special and native. It’s for those who want to support local ecosystems and don’t mind that their neighbors might not immediately recognize what they’re growing.

If you can’t find Barneby’s phacelia or prefer a more readily available alternative, consider other native Phacelia species or southwestern native annuals that are better documented and more widely available. The key is supporting native plant communities, whether with rare gems like this one or their more common cousins.

Remember, every native plant we grow – no matter how small or obscure – is a step toward supporting the complex web of life that makes our local ecosystems so resilient and beautiful.

Barneby’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 barnebyana J.T. Howell - Barneby'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