North America Native Plant

Caterpillar Phacelia

Botanical name: Phacelia cicutaria var. cicutaria

USDA symbol: PHCIC

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Caterpillar Phacelia: A Delicate California Native That’s a Pollinator Magnet If you’re looking to add some delicate charm to your California native garden while supporting local pollinators, caterpillar phacelia (Phacelia cicutaria var. cicutaria) might just be the perfect annual wildflower for you. This lovely native forb brings both beauty and ...

Caterpillar Phacelia: A Delicate California Native That’s a Pollinator Magnet

If you’re looking to add some delicate charm to your California native garden while supporting local pollinators, caterpillar phacelia (Phacelia cicutaria var. cicutaria) might just be the perfect annual wildflower for you. This lovely native forb brings both beauty and ecological benefits to gardens throughout the Golden State.

What Makes Caterpillar Phacelia Special?

Caterpillar phacelia is a true California native, found naturally throughout the state’s diverse landscapes. As an annual forb, it completes its entire life cycle in just one growing season, but don’t let that fool you into thinking it’s not worth planting – this little beauty packs a big punch in terms of both visual appeal and wildlife value.

The plant gets its charming common name from its distinctive flower clusters that curl and unfurl like tiny caterpillars. These coiled inflorescences are covered in small, trumpet-shaped flowers that range from soft blue to purple, creating a delicate tapestry of color in spring gardens.

Where Does It Grow?

This native gem calls California home, where it has adapted to the state’s Mediterranean climate and diverse growing conditions. You’ll find it thriving throughout California’s coastal and inland regions, from sea level to moderate elevations.

Garden Appeal and Design Uses

What really sets caterpillar phacelia apart is its fern-like foliage. The deeply divided, lacy leaves create beautiful texture even before the flowers appear. When in bloom, the plant offers a soft, cottage garden feel that works beautifully in:

  • Native plant gardens
  • Wildflower meadows
  • Pollinator gardens
  • Drought-tolerant landscapes
  • Naturalized areas

The plant typically grows as a low-growing forb, making it perfect for filling in gaps between larger shrubs or creating drifts of color in open spaces.

A Pollinator Paradise

Here’s where caterpillar phacelia really shines – it’s absolutely beloved by pollinators! Bees, butterflies, and other beneficial insects flock to its nectar-rich flowers. Native bees particularly appreciate this plant, making it an excellent choice for gardeners who want to support local ecosystems.

The flowers bloom over an extended period, providing a reliable food source for pollinators throughout the growing season. This makes it not just a pretty face in the garden, but a hardworking member of your local ecological community.

Growing Conditions and Care

One of the best things about caterpillar phacelia is how easy it is to grow, especially if you’re gardening in its native range. Here’s what this adaptable annual prefers:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils of various types
  • Water: Drought-tolerant once established; minimal summer water needed
  • Climate: Thrives in USDA zones 8-10

As a California native, this plant is naturally adapted to the state’s dry summers and mild, wet winters. Once established, it requires very little supplemental watering, making it perfect for water-wise gardens.

Planting and Care Tips

Growing caterpillar phacelia is refreshingly straightforward:

  • When to plant: Direct seed in fall for spring blooms
  • Soil prep: Ensure good drainage – this plant doesn’t like wet feet
  • Spacing: Scatter seeds naturally for a wildflower effect
  • Watering: Water gently until germination, then reduce frequency
  • Maintenance: Minimal care needed; allow to self-seed for next year’s display

One of the most delightful characteristics of caterpillar phacelia is its ability to self-seed. If you let some flowers go to seed, you’ll likely find new plants popping up the following year, creating a naturalized colony over time.

Why Choose Caterpillar Phacelia?

This charming native offers so many benefits with very little effort required. It’s perfect for gardeners who want to:

  • Support local wildlife and pollinators
  • Add delicate texture and color to garden beds
  • Create low-maintenance, drought-tolerant landscapes
  • Establish self-sustaining wildflower areas
  • Garden with plants that truly belong in California

Whether you’re creating a dedicated native plant garden or just looking to add some California character to your landscape, caterpillar phacelia brings together beauty, ecological value, and easy care in one delightful package. Plus, there’s something especially satisfying about growing a plant that’s been calling California home long before any of us arrived on the scene.

So why not give this lovely native a try? Your local bees and butterflies will thank you, and you’ll get to enjoy those charming caterpillar-like flower clusters dancing in your garden breeze.

Caterpillar 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 cicutaria Greene - caterpillar phacelia

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