North America Native Plant

North Coast Phacelia

Botanical name: Phacelia insularis var. continentis

USDA symbol: PHINC2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Phacelia divaricata (Benth.) A. Gray var. continentis (J.T. Howell) Munz (PHDIC2)   

North Coast Phacelia: A Rare California Native Worth Protecting Meet the North Coast phacelia (Phacelia insularis var. continentis), one of California’s most elusive native wildflowers. This isn’t your typical garden center find – in fact, you’re unlikely to encounter this rare beauty anywhere except in its very limited natural habitat. ...

Rare plant alert!

Region: Conservation status by state

Status: S2T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ 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) ⚘

North Coast Phacelia: A Rare California Native Worth Protecting

Meet the North Coast phacelia (Phacelia insularis var. continentis), one of California’s most elusive native wildflowers. This isn’t your typical garden center find – in fact, you’re unlikely to encounter this rare beauty anywhere except in its very limited natural habitat. But understanding this plant’s story helps us appreciate the incredible diversity of California’s native flora and the importance of conservation efforts.

A Plant with Secrets

The North Coast phacelia belongs to the waterleaf family and lives life in the fast lane as an annual forb. This means it completes its entire life cycle – from seed to flower to seed again – in just one growing season. Like other forbs, it’s an herbaceous plant without woody stems, putting all its energy into producing flowers and seeds before the season ends.

Botanically known as Phacelia insularis var. continentis, this plant has quite the scientific pedigree. You might also see it referenced by its synonym, Phacelia divaricata var. continentis, in older botanical literature. But regardless of what name appears on the label, this is one special plant.

Where in the World?

This native Californian is a true homebody, found only within the Golden State’s borders. Its extremely limited distribution makes it a botanical treasure that few people will ever have the chance to see in the wild.

The Rarity Reality Check

Here’s where things get serious: the North Coast phacelia carries a Global Conservation Status of S2T1, which indicates it’s critically rare. This isn’t a plant you can casually add to your shopping list or propagate in your backyard without serious consideration. Its rarity means that every individual plant and population is precious for the species’ survival.

If you’re passionate about supporting rare California natives, the best thing you can do is support habitat conservation efforts and organizations working to protect these special places where such rarities can thrive.

The Conservation Gardener’s Dilemma

As much as we might want to grow every native plant under the sun, some species are simply too rare and too important to their ecosystems to be casually cultivated. The North Coast phacelia falls into this category. Any attempt to grow this plant should only be done:

  • With seeds or plants from verified, ethically sourced material
  • As part of legitimate conservation efforts
  • Under the guidance of botanical experts or conservation organizations
  • Never by collecting from wild populations

Supporting Rare Plants in Your Garden

While you might not be able to grow North Coast phacelia in your garden, you can still support California’s incredible native plant diversity by choosing other Phacelia species that are more common and readily available. Many of these cousins offer similar benefits to pollinators and wildlife while being much more appropriate for home cultivation.

Consider looking for other California native phacelias like lacy phacelia (Phacelia tanacetifolia) or desert bluebells (Phacelia campanularia), which can bring some of that wild California beauty to your garden without impacting rare populations.

The Bigger Picture

The North Coast phacelia reminds us that not every native plant is meant for our gardens – and that’s okay! Some plants serve their most important role by staying wild and free in their natural habitats. By learning about and appreciating these rare species from afar, we become better stewards of the incredible botanical diversity that makes California such a special place.

Sometimes the best way to love a plant is to leave it alone and ensure its wild home remains protected for future generations to discover and admire.

North Coast 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 insularis Munz - coast phacelia

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