North America Native Plant

Lacy Phacelia

Botanical name: Phacelia tanacetifolia

USDA symbol: PHTA

Life cycle: annual

Habit: forb

Native status: A waif, a non-native that isn't naturalized in Canada âš˜ Native to the lower 48 states  

Synonyms: Phacelia tanacetifolia Benth. subvar. tenuisecta (PHTAT)   

Lacy Phacelia: The Annual Pollinator Magnet Your Garden Needs If you’re looking for a flower that’ll have bees lining up like it’s the hottest restaurant in town, meet lacy phacelia (Phacelia tanacetifolia). This charming annual, also known as facelia fiddleneck, might not be a household name, but it’s earned quite ...

Lacy Phacelia: The Annual Pollinator Magnet Your Garden Needs

If you’re looking for a flower that’ll have bees lining up like it’s the hottest restaurant in town, meet lacy phacelia (Phacelia tanacetifolia). This charming annual, also known as facelia fiddleneck, might not be a household name, but it’s earned quite the reputation among pollinator enthusiasts as nature’s own bee buffet.

What Makes Lacy Phacelia Special?

Lacy phacelia is a delightful forb that grows as a single-crowned plant, reaching up to 4 feet tall with a rapid growth rate that’ll surprise you. Its deeply divided, feathery green foliage gives it that lacy appearance, while the real showstoppers are its distinctive blue flowers arranged in coiled clusters that slowly unfurl like nature’s own fiddle heads.

This annual herb lacks any significant woody tissue, putting all its energy into producing those gorgeous blooms during its active spring growing period. The flowers are wonderfully conspicuous, creating a beautiful blue haze when planted in groups.

Where Does Lacy Phacelia Come From?

Originally native to the southwestern United States, particularly California and Arizona, lacy phacelia has traveled far from home. You’ll now find it growing (though not always permanently established) across a surprising range of locations including Alberta, Manitoba, Ontario, Saskatchewan, Colorado, Kansas, Maine, Massachusetts, Michigan, Nevada, and Oregon.

While it’s considered a waif species in Canada—meaning it shows up temporarily but doesn’t stick around permanently—it’s perfectly at home as an annual garden addition throughout most of North America.

Why Gardeners Love (and Should Consider) Lacy Phacelia

Here’s where lacy phacelia really shines: it’s an absolute pollinator powerhouse. Bees, in particular, go absolutely bonkers for this plant—so much so that it’s often called bee’s friend in gardening circles. The nectar flow is so abundant that beekeepers sometimes plant entire fields of it.

From a practical gardening standpoint, lacy phacelia offers several advantages:

  • Rapid growth and early spring blooming
  • Excellent drought tolerance once established
  • Low fertility requirements (won’t demand constant feeding)
  • Adaptable to various soil types
  • Self-seeds readily for next year’s display

Garden Design and Landscape Uses

Lacy phacelia works beautifully in several garden styles:

  • Pollinator gardens: Plant it as a centerpiece surrounded by other bee-friendly flowers
  • Wildflower meadows: Let it naturalize among other annuals and perennials
  • Cottage gardens: Its informal, slightly wild appearance fits perfectly
  • Xeriscaping: Once established, it handles dry conditions admirably
  • Temporary filler: Use it to fill gaps while perennials establish

Growing Conditions and Care

The beauty of lacy phacelia lies in its easy-going nature. Here’s what it prefers:

  • Sunlight: Full sun (shade intolerant)
  • Soil: Well-draining soils of any texture, pH between 6.4-8.6
  • Water: Moderate moisture needs; drought tolerant once established
  • Temperature: Needs at least 100 frost-free days, minimum temperature of 52°F
  • Precipitation: Thrives with 8-18 inches annually

Planting and Care Tips

Growing lacy phacelia is refreshingly straightforward:

  • Seeding: Direct seed in early spring (no cold stratification required)
  • Spacing: With about 244,944 seeds per pound, a little goes a long way
  • Germination: Expect medium seedling vigor with slow initial spread
  • Maintenance: Minimal care needed once established
  • Harvesting seeds: Allow some flowers to go to seed for next year’s crop

The plant has a 10-inch minimum root depth, so ensure your soil isn’t compacted. After harvest or at season’s end, expect slow regrowth, but remember—this is an annual, so it’s naturally finishing its life cycle.

A Word About Native Alternatives

While lacy phacelia isn’t invasive and makes an excellent garden addition, consider mixing it with native alternatives that provide similar benefits. Depending on your region, native phacelia species, wild bergamot, or native asters might offer comparable pollinator appeal while supporting local ecosystems.

The Bottom Line

Lacy phacelia is like that friend who shows up to the party, makes everyone happy, doesn’t overstay their welcome, and leaves you with great memories. It’s an annual that punches well above its weight class in terms of pollinator support, requires minimal fuss, and adds a lovely informal charm to any garden space.

Whether you’re a beginning gardener looking for something foolproof or an experienced pollinator garden enthusiast seeking to diversify your offerings, lacy phacelia deserves a spot in your seed-starting plans. Just don’t be surprised when your local bee population starts treating your garden like their favorite neighborhood hangout!

How

Lacy Phacelia

Grows

Growing season

Spring

Lifespan
Growth form & shape

Single Crown and Erect

Growth rate

Rapid

Height at 20 years
Maximum height

4.0

Foliage color

Green

Summer foliage density

Porous

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

Blue

Fruit/seeds

No

Fruit/seed color

Brown

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

Medium

Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Lacy Phacelia

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

Yes

Anaerobic tolerance

High

CaCO₃ tolerance

Medium

Cold Stratification

No

Drought tolerance

Medium

Nutrient requirement

Low

Fire tolerance

Medium

Frost-free days minimum

100

Hedge tolerance

None

Moisture requirement

Medium

pH range

6.4 to 8.6

Plants per acre
Precipitation range (in)

8 to 18

Min root depth (in)

10

Salt tolerance

Low

Shade tolerance

Intolerant

Min temperature (F)

52

Cultivating

Lacy Phacelia

Flowering season

Early Spring

Commercial availability

Contracting Only

Fruit/seed abundance

Medium

Fruit/seed season

Spring to Spring

Fruit/seed persistence

No

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

No

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

244944

Seed spread rate

Slow

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Lacy 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 tanacetifolia Benth. - lacy phacelia

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