North America Native Plant

Hairy Gumweed

Botanical name: Grindelia hirsutula var. davyi

USDA symbol: GRHID2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Hairy Gumweed: A Resilient Native Wildflower for West Coast Gardens If you’re looking for a hardy, low-maintenance native plant that can handle tough conditions while supporting local pollinators, hairy gumweed (Grindelia hirsutula var. davyi) might just be the unsung hero your garden needs. This perennial wildflower may not have the ...

Hairy Gumweed: A Resilient Native Wildflower for West Coast Gardens

If you’re looking for a hardy, low-maintenance native plant that can handle tough conditions while supporting local pollinators, hairy gumweed (Grindelia hirsutula var. davyi) might just be the unsung hero your garden needs. This perennial wildflower may not have the flashiest name, but it packs a punch when it comes to reliability and ecological value.

What is Hairy Gumweed?

Hairy gumweed is a native perennial forb that belongs to the sunflower family. Unlike woody shrubs or trees, this herbaceous plant lacks significant woody tissue and instead puts its energy into producing cheerful yellow flowers and supporting beneficial insects. As a variety of Grindelia hirsutula, this plant represents a specific regional adaptation of the broader hairy gumweed species.

Where Does It Grow Naturally?

This native beauty calls the western United States home, specifically thriving in California and Oregon. Its natural range reflects its adaptation to Mediterranean and coastal climates, making it perfectly suited for gardens in these regions.

Why Consider Hairy Gumweed for Your Garden?

There are several compelling reasons to give this native plant a spot in your landscape:

  • True native credentials: Supporting local ecosystems by choosing plants that evolved in your region
  • Pollinator magnet: The bright yellow composite flowers attract bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, native plants typically require less water and care than non-native alternatives
  • Seasonal interest: Provides color and texture throughout the growing season

Garden Design and Landscape Role

Hairy gumweed works beautifully in several garden styles and situations. Consider it for:

  • Native plant gardens and wildflower meadows
  • Pollinator gardens where supporting local wildlife is a priority
  • Low-water or drought-tolerant landscapes
  • Naturalized areas where a more casual, wild appearance is desired

This plant shines when grouped with other native wildflowers and grasses, creating a naturalistic display that changes with the seasons.

Growing Conditions and Care

While specific cultivation information for this variety is limited, hairy gumweed generally prefers:

  • Sunlight: Full sun exposure for best flowering
  • Soil: Well-draining soils; adaptable to various soil types
  • Water: Drought-tolerant once established, typical of many California and Oregon natives
  • Climate: Suited to Mediterranean and coastal climates within its native range

Planting and Establishment Tips

Success with hairy gumweed starts with proper establishment:

  • Plant in fall or early spring when temperatures are moderate
  • Ensure good drainage to prevent root problems
  • Water regularly during the first growing season to help establish strong roots
  • Once established, reduce watering frequency to match natural rainfall patterns
  • Avoid over-fertilizing, as native plants often prefer lean soils

A Note About This Variety

Grindelia hirsutula var. davyi appears to be a less commonly documented variety of hairy gumweed. If you’re interested in growing this specific plant, you may want to connect with native plant societies in California or Oregon, local botanical gardens, or specialized native plant nurseries. They may have more detailed information about this particular variety’s specific needs and availability.

Alternatively, consider other well-documented Grindelia species native to your area, which will provide similar ecological benefits and growing characteristics.

The Bottom Line

Hairy gumweed represents the kind of resilient, beneficial native plant that can form the backbone of a sustainable, wildlife-friendly garden. While this specific variety may require some detective work to source and grow, the effort supports local ecosystems and creates a garden that works in harmony with your regional environment. Sometimes the most rewarding plants are the ones that ask us to slow down, do a little research, and connect with our local plant communities.

Hairy Gumweed

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Grindelia Willd. - gumweed

Species

Grindelia hirsutula Hook. & Arn. - hairy gumweed

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