North America Native Plant

Fernleaf Phacelia

Botanical name: Phacelia bipinnatifida

USDA symbol: PHBI2

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Phacelia bipinnatifida Michx. var. plummeri Alph. Wood (PHBIP)  âš˜  Phacelia brevistyla Buckley (PHBR8)   

Fernleaf Phacelia: A Rare Native Gem for Your Shade Garden If you’re looking to add some delicate beauty to your shaded garden spaces while supporting native wildlife, fernleaf phacelia (Phacelia bipinnatifida) might just be the perfect addition. This charming native wildflower brings both ecological value and understated elegance to woodland ...

Rare plant alert!

Region: New Jersey

Status: Endangered, Listed Pinelands, Highlands Listed, S1.1: New Jersey Highlands region ⚘ New Jersey Pinelands region ⚘ 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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Fernleaf Phacelia: A Rare Native Gem for Your Shade Garden

If you’re looking to add some delicate beauty to your shaded garden spaces while supporting native wildlife, fernleaf phacelia (Phacelia bipinnatifida) might just be the perfect addition. This charming native wildflower brings both ecological value and understated elegance to woodland gardens, though its rarity makes it a special treasure worth seeking out.

What Makes Fernleaf Phacelia Special?

Fernleaf phacelia is a biennial forb—basically a non-woody flowering plant that completes its life cycle over two years. Don’t let the technical term fool you; this is simply a lovely wildflower that forms a rosette of leaves in its first year and blooms in its second before setting seed.

The plant gets its common name from its distinctive foliage, which is deeply divided and fern-like in appearance. In spring, it produces clusters of small, bell-shaped flowers in shades of purple-blue that seem to float above the delicate foliage like tiny woodland bells.

Where Does It Call Home?

This native beauty naturally occurs across much of the eastern United States, spanning from the Southeast up through the Mid-Atlantic region. You can find it growing wild in Alabama, Arkansas, Georgia, Illinois, Indiana, Iowa, Kentucky, Maryland, Mississippi, Missouri, New Jersey, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia, and West Virginia.

A Word of Caution: Rarity Status

Before you rush out to find fernleaf phacelia for your garden, there’s something important to know: this plant is considered endangered in New Jersey, where it holds a rarity status of S1.1 and is listed for both the Pinelands and Highlands regions. This means it’s quite rare and needs our protection.

If you’re interested in growing fernleaf phacelia, please make sure to source your plants or seeds from reputable native plant nurseries that propagate their stock rather than collecting from wild populations. Never collect plants or seeds from the wild, especially in areas where the species is rare or endangered.

Why Grow Fernleaf Phacelia?

Despite its rarity (or perhaps because of it), there are compelling reasons to include this native plant in your garden:

  • Pollinator magnet: The nectar-rich flowers attract bees, butterflies, and other native pollinators during their spring blooming period
  • Unique texture: The fern-like foliage adds interesting texture to shaded garden areas
  • Low maintenance: Once established, it requires minimal care and may self-seed in favorable conditions
  • Conservation value: Growing rare natives helps preserve genetic diversity and supports conservation efforts
  • Seasonal interest: Provides spring color in woodland settings where few other plants are blooming

Growing Conditions and Care

Fernleaf phacelia thrives in conditions that mimic its natural woodland habitat. Here’s what it prefers:

  • Light: Partial shade to full shade—perfect for those tricky spots under trees
  • Soil: Moist, well-draining soil rich in organic matter
  • Climate: Hardy in USDA zones 4-8
  • Moisture: Consistent moisture, especially during the growing season

Planting and Care Tips

Growing fernleaf phacelia successfully requires understanding its biennial nature:

  • Best planting time: Sow seeds in fall for germination the following spring
  • Patience required: Remember, this is a biennial—first-year plants will only produce foliage, with flowers appearing in the second year
  • Minimal fuss: Once established, it needs little care beyond occasional watering during dry spells
  • Let it self-seed: Allow some plants to go to seed to maintain a population in your garden
  • Woodland companions: Pairs beautifully with other shade natives like wild ginger, bloodroot, and trilliums

Perfect Garden Settings

Fernleaf phacelia shines in:

  • Woodland gardens and naturalized areas
  • Shade gardens needing spring interest
  • Native plant gardens focused on regional species
  • Conservation gardens supporting rare species
  • Rain gardens with partial shade

The Bottom Line

Fernleaf phacelia is a wonderful choice for gardeners who want to support native biodiversity while adding subtle beauty to shaded spaces. Its rarity makes it extra special—just be sure to source your plants responsibly from reputable nurseries that propagate rather than wild-collect their stock.

With its delicate fern-like foliage, charming spring flowers, and valuable pollinator benefits, this native gem proves that some of the most rewarding garden plants are those that connect us to our local ecosystems. Give fernleaf phacelia a try, and you’ll be helping preserve a piece of our natural heritage while creating a more beautiful and ecologically valuable garden.

Fernleaf 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 bipinnatifida Michx. - fernleaf phacelia

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