North America Native Plant

Leiberg’s Phacelia

Botanical name: Phacelia leibergii

USDA symbol: PHLE6

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Phacelia bicolor Torr. ex S. Watson var. leibergii (Brand) A. Nelson & J.F. Macbr. (PHBIL)   

Leiberg’s Phacelia: A Hidden Gem for Pacific Northwest Gardens If you’re looking for a native wildflower that’s as charming as it is easy to grow, let me introduce you to Leiberg’s phacelia (Phacelia leibergii). This delightful annual might not be the flashiest flower in the garden center, but it’s got ...

Leiberg’s Phacelia: A Hidden Gem for Pacific Northwest Gardens

If you’re looking for a native wildflower that’s as charming as it is easy to grow, let me introduce you to Leiberg’s phacelia (Phacelia leibergii). This delightful annual might not be the flashiest flower in the garden center, but it’s got personality in spades and brings some serious benefits to your outdoor space.

What Makes Leiberg’s Phacelia Special?

Leiberg’s phacelia is a true Pacific Northwest native, calling Oregon home. As an annual forb, it completes its entire life cycle in one growing season, but don’t let that fool you into thinking it’s not worth your time. This little charmer produces clusters of small, blue to purple flowers arranged in distinctive coiled formations that unfurl like nature’s own fiddle heads.

The plant’s feathery, often deeply-lobed foliage adds texture to the garden even before the flowers appear. It’s the kind of plant that makes you lean in for a closer look – and your pollinators will thank you for it.

Where Does It Grow?

This native beauty is primarily found in Oregon, where it has adapted to the region’s unique climate and growing conditions. Being a true native means it’s perfectly suited to work with your local ecosystem rather than against it.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Leiberg’s phacelia really shines – it’s a pollinator magnet! Bees absolutely adore these flowers, and you’ll often find butterflies and other beneficial insects making themselves at home among the blooms. If you’re trying to create a more wildlife-friendly garden, this is exactly the kind of plant you want to include.

The flowers may be small, but they’re produced in generous quantities, creating a lovely display that bridges the gap between bold statement plants and subtle ground covers.

Perfect Garden Situations

Leiberg’s phacelia is wonderfully versatile and works beautifully in several garden settings:

  • Wildflower meadows and naturalized areas
  • Native plant gardens
  • Rock gardens and xeriscaping projects
  • As a filler plant between larger perennials
  • Pollinator gardens and habitat restoration projects

Growing Conditions and Care

One of the best things about this native annual is how low-maintenance it can be once you understand its preferences. Leiberg’s phacelia thrives in well-drained soils and appreciates full sun to partial shade. It’s quite drought-tolerant once established, making it an excellent choice for water-wise gardening.

This plant is likely hardy in USDA zones 7-9, perfectly matching its Oregon origins. It’s not picky about soil type as long as drainage is good – soggy feet are about the only thing that will make this tough little plant unhappy.

Planting and Care Tips

Growing Leiberg’s phacelia is refreshingly straightforward:

  • Direct sow seeds in fall or early spring for best results
  • Scatter seeds on prepared soil and lightly rake in
  • Water gently until germination occurs
  • Once established, minimal watering is needed
  • Allow some plants to go to seed for natural reseeding
  • No fertilizer needed – these natives prefer lean soils

Since it’s an annual, you’ll want to let some plants complete their life cycle and drop seeds if you want them to return next year. Many gardeners find that once established, Leiberg’s phacelia will happily self-sow and pop up in perfect spots throughout the garden.

The Bottom Line

Leiberg’s phacelia might not be the most well-known native plant, but it’s definitely worth getting to know. It’s the kind of plant that rewards you with beautiful flowers, happy pollinators, and virtually no maintenance headaches. Plus, there’s something deeply satisfying about growing a plant that truly belongs in your local landscape.

Whether you’re just starting your native plant journey or you’re a seasoned wildflower enthusiast, Leiberg’s phacelia deserves a spot in your Pacific Northwest garden. Your bees will buzz with approval, and you’ll love watching this charming annual work its quiet magic in your outdoor space.

Leiberg’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 leibergii Brand - Leiberg'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