North America Native Plant

Sticky Phacelia

Botanical name: Phacelia glandulifera

USDA symbol: PHGL2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Phacelia ivesiana Torr. var. glandulifera (Piper) A. Nelson & J.F. Macbr. (PHIVG)   

Sticky Phacelia: A Native Wildflower That’s Perfect for Pollinators If you’re looking for a charming native wildflower that practically grows itself while keeping your local bees and butterflies happy, let me introduce you to sticky phacelia (Phacelia glandulifera). This delightful little annual might not be the showiest plant in your ...

Sticky Phacelia: A Native Wildflower That’s Perfect for Pollinators

If you’re looking for a charming native wildflower that practically grows itself while keeping your local bees and butterflies happy, let me introduce you to sticky phacelia (Phacelia glandulifera). This delightful little annual might not be the showiest plant in your garden, but it’s definitely one of the hardest working!

What Makes Sticky Phacelia Special?

Sticky phacelia is a native forb—basically a fancy way of saying it’s a soft-stemmed wildflower rather than a woody shrub or tree. True to its name, this plant has a distinctly sticky feel thanks to tiny glandular hairs covering its stems and leaves. Don’t worry, it won’t trap you like flypaper, but you might find yourself with a few plant bits clinging to your clothes after working around it!

The flowers are where this plant really shines. Sticky phacelia produces clusters of small, bell-shaped blooms in lovely shades of blue to purple, arranged in characteristic coiled formations that unfurl as they open. It’s like nature’s own little spiral staircase of flowers.

Where Does Sticky Phacelia Call Home?

This western native has quite an impressive range across the American West. You’ll find sticky phacelia growing naturally in California, Idaho, Nevada, Oregon, Utah, Washington, and Wyoming. It’s perfectly adapted to the varied climates and conditions found throughout these states.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where sticky phacelia really earns its keep in the garden:

  • Pollinator magnet: Bees absolutely adore the nectar-rich flowers, and you’ll often see butterflies and other beneficial insects visiting too
  • Low maintenance: As an annual, it completes its entire life cycle in one growing season with minimal fuss
  • Drought tolerant: Once established, it can handle dry conditions like a champ
  • Self-seeding: Let it go to seed, and you’ll likely have volunteers next year
  • Native plant gardens: Perfect for creating authentic regional landscapes

Growing Conditions and Care

The beauty of sticky phacelia lies in its simplicity. This plant thrives in full sun and isn’t particularly picky about soil quality. In fact, it often performs better in lean, well-draining soils than in rich, heavily amended ones. It can handle everything from sandy soils to clay, as long as water doesn’t sit around the roots.

Depending on your specific location within its native range, sticky phacelia typically grows well in USDA hardiness zones 4 through 9. Since it’s an annual, cold tolerance is more about timing your planting than winter survival.

How to Grow Sticky Phacelia Successfully

Ready to add this pollinator favorite to your garden? Here’s how to do it:

  • Timing: Direct seed in fall for spring germination, or plant in early spring after the last frost
  • Planting: Scatter seeds on prepared soil and barely cover them—they need light to germinate
  • Watering: Keep soil lightly moist until germination, then reduce watering as plants establish
  • Spacing: Don’t worry too much about precise spacing—these plants look best in natural drifts
  • Maintenance: Practically none! Just let them do their thing

Perfect Garden Partners

Sticky phacelia plays well with other native wildflowers and drought-tolerant plants. Consider pairing it with native grasses, lupines, or other regional wildflowers for a naturalized look. It’s particularly at home in wildflower meadows, xeriscape gardens, and naturalized areas where you want to support local pollinators.

The Bottom Line

If you’re within sticky phacelia’s native range and want to add a reliable, pollinator-friendly annual to your garden, this little charmer is definitely worth considering. It won’t demand much attention, but it will reward you with months of blooms and the satisfaction of knowing you’re supporting your local ecosystem. Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region for thousands of years—it just feels right!

Sticky 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 glandulifera Piper - sticky phacelia

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