North America Native Plant

Mosquito Bills

Botanical name: Dodecatheon hendersonii

USDA symbol: DOHE

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Mosquito Bills: A Charming Native Wildflower for Pacific Northwest Gardens If you’re looking to add a touch of whimsical elegance to your Pacific Northwest garden, meet mosquito bills (Dodecatheon hendersonii) – a delightful native wildflower that’s sure to make visitors do a double-take. Despite its rather unusual common name, this ...

Mosquito Bills: A Charming Native Wildflower for Pacific Northwest Gardens

If you’re looking to add a touch of whimsical elegance to your Pacific Northwest garden, meet mosquito bills (Dodecatheon hendersonii) – a delightful native wildflower that’s sure to make visitors do a double-take. Despite its rather unusual common name, this perennial beauty has nothing to do with pesky insects and everything to do with creating stunning spring displays in your landscape.

What Makes Mosquito Bills Special?

Mosquito bills belong to a fascinating group of wildflowers known for their distinctive shooting star appearance. This herbaceous perennial produces nodding flowers with dramatically swept-back petals in shades of white to pale pink, creating an almost magical effect when planted in groups. The flowers dance atop slender stems that rise 6 to 18 inches above neat rosettes of paddle-shaped leaves.

What really sets this plant apart is its ephemeral nature – it puts on a spectacular spring show, then gracefully retreats underground for a summer rest, much like spring bulbs we’re more familiar with.

Where Does It Call Home?

Mosquito bills is a true Pacific Northwest native, naturally occurring in British Columbia, Washington, Oregon, and northern California. This native status makes it an excellent choice for gardeners committed to supporting local ecosystems and creating sustainable landscapes that work in harmony with regional climate patterns.

Why Your Garden (and Local Wildlife) Will Love It

There are several compelling reasons to welcome mosquito bills into your garden:

  • Pollinator magnet: The spring blooms attract native bees, butterflies, and other beneficial insects when they need nectar sources most
  • Low maintenance: Once established, it requires minimal care and naturally adapts to seasonal moisture patterns
  • Perfect for naturalizing: Creates beautiful drifts in woodland settings and rock gardens
  • Space efficient: Goes dormant in summer, making room for other plants to shine
  • Deer resistant: Generally left alone by browsing wildlife

Ideal Garden Settings

Mosquito bills thrives in several garden styles, making it a versatile addition to Pacific Northwest landscapes:

  • Woodland gardens: Perfect understory plant beneath deciduous trees
  • Rock gardens: Excellent drainage and spring interest
  • Native plant borders: Pairs beautifully with other regional wildflowers
  • Naturalized areas: Creates stunning seasonal displays when planted in drifts

Growing Conditions and Care

Success with mosquito bills comes from understanding its natural habitat preferences. This hardy perennial (suitable for USDA zones 6-9) appreciates:

  • Light: Partial shade to full sun, with some afternoon shade in hotter areas
  • Soil: Well-draining soil is essential – soggy conditions can rot the underground corms
  • Moisture: Regular water during spring growing season, then allow natural summer dormancy
  • Temperature: Hardy and cold-tolerant, perfect for Pacific Northwest winters

Planting and Care Tips

Getting mosquito bills established is straightforward if you follow these guidelines:

  • Plant timing: Fall planting works best, allowing roots to establish before spring growth
  • Soil preparation: Amend heavy clay soils with compost and coarse sand for better drainage
  • Spacing: Plant corms 3-4 inches apart for natural-looking drifts
  • Watering: Keep soil evenly moist during spring growth, then reduce watering as foliage dies back
  • Summer dormancy: Don’t panic when leaves disappear in summer – this is completely normal
  • Fertilizing: Generally unnecessary, but a light application of compost in fall can be beneficial

Is Mosquito Bills Right for Your Garden?

Mosquito bills is an excellent choice for gardeners who appreciate ephemeral beauty and want to support native ecosystems. However, it might not be the best fit if you prefer plants that provide year-round structure or continuous blooms throughout the growing season.

Consider this charming wildflower if you’re creating a sustainable, low-maintenance garden that celebrates the natural rhythms of the Pacific Northwest. Its brief but spectacular spring performance, combined with its valuable role in supporting native pollinators, makes mosquito bills a worthy addition to thoughtful native plant gardens.

With minimal care requirements and maximum ecological benefits, Dodecatheon hendersonii proves that sometimes the most rewarding garden plants are the ones that know exactly when to show off – and when to gracefully step aside.

Mosquito Bills

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Primulales

Family

Primulaceae Batsch - Primrose family

Genus

Dodecatheon L. - shootingstar

Species

Dodecatheon hendersonii A. Gray - mosquito bills

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