North America Native Plant

Puget Sound Gumweed

Botanical name: Grindelia integrifolia

USDA symbol: GRIN

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Puget Sound Gumweed: A Pacific Northwest Native That Packs a Punch If you’re looking for a cheerful native plant that can handle whatever the Pacific Northwest throws at it, let me introduce you to Puget Sound gumweed (Grindelia integrifolia). This sturdy perennial might not win any beauty contests in spring, ...

Puget Sound Gumweed: A Pacific Northwest Native That Packs a Punch

If you’re looking for a cheerful native plant that can handle whatever the Pacific Northwest throws at it, let me introduce you to Puget Sound gumweed (Grindelia integrifolia). This sturdy perennial might not win any beauty contests in spring, but come late summer, it transforms into a golden showstopper that both you and the local pollinators will absolutely love.

What Makes Puget Sound Gumweed Special?

Puget Sound gumweed is a true Pacific Northwest native, naturally occurring in the coastal regions of Washington and Oregon. As a perennial forb, it’s built to last – no need to replant every year like those fussy annuals. This hardy plant typically grows as an herbaceous perennial without significant woody growth, storing its energy in roots and crowns that survive winter to emerge again each spring.

The plant earned its gumweed moniker from the sticky, resinous coating on its flower buds – nature’s way of protecting the developing blooms from insects and weather. Don’t worry, though; this stickiness won’t transfer to your hands during normal garden maintenance.

Where Does It Grow?

In the wild, you’ll find Puget Sound gumweed thriving along the coastlines of Oregon and Washington, where it has adapted to challenging conditions like salt spray, sandy soils, and fluctuating moisture levels. This native range makes it an excellent choice for Pacific Northwest gardeners looking to support local ecosystems.

Why Your Garden (and Local Wildlife) Will Thank You

Here’s where Puget Sound gumweed really shines: it’s a late-season bloomer that provides crucial nectar when many other flowers have called it quits for the year. Those bright yellow, daisy-like flowers appear from late summer into fall, offering a much-needed fuel station for bees, butterflies, and other pollinators preparing for winter.

The plant’s wetland status as Facultative Wetland means it’s incredibly versatile – it thrives in moist conditions but can also handle drier spots once established. This adaptability makes it perfect for rain gardens, where it can help manage stormwater while looking fantastic.

Perfect Places to Plant It

Puget Sound gumweed works beautifully in several garden settings:

  • Native plant gardens where you want authentic Pacific Northwest character
  • Coastal gardens that need plants tough enough to handle salt spray
  • Pollinator gardens focused on late-season blooms
  • Rain gardens and bioswales for natural stormwater management
  • Naturalized meadow areas where it can spread and self-seed
  • Low-maintenance landscapes that need reliable performers

Growing Puget Sound Gumweed Successfully

The best news about this native? It’s refreshingly easy to grow. Puget Sound gumweed thrives in USDA hardiness zones 7-9, which covers most of the Pacific Northwest perfectly.

Light Requirements: Give it full sun for the best flowering, though it can tolerate some light shade.

Soil Preferences: Well-draining soil is key, but it’s not picky about soil type. Sandy, loamy, or even clay soils work fine as long as water doesn’t sit around the roots.

Water Needs: Once established, this drought-tolerant native can handle dry spells with grace. Regular watering during the first growing season helps it get established, but after that, it’s largely self-sufficient.

Planting and Care Tips

Spring is the ideal time to plant Puget Sound gumweed, giving it a full growing season to establish before winter. Space plants about 2-3 feet apart, as they can spread over time through both underground growth and self-seeding.

Maintenance is minimal – just deadhead spent flowers if you want to prevent enthusiastic self-seeding, or leave them for the birds to enjoy the seeds. A light pruning in late winter or early spring helps keep the plant tidy and encourages vigorous new growth.

A Word of Caution (The Good Kind)

Puget Sound gumweed can be an enthusiastic self-seeder, which is wonderful if you want more plants but might be overwhelming in formal garden settings. If you prefer more control, simply deadhead the flowers before they set seed. In naturalized areas, this self-seeding tendency is actually a benefit, helping establish sustainable native plant communities.

The Bottom Line

Puget Sound gumweed might not be the showiest plant in your garden, but it’s definitely one of the most reliable and ecologically valuable. Its late-season blooms provide critical support for pollinators, its native status means it belongs in Pacific Northwest landscapes, and its easy-going nature makes it perfect for gardeners who want maximum impact with minimal fuss. Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region for thousands of years – it’s gardening with nature, not against it.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Puget Sound 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 integrifolia DC. - Puget Sound gumweed

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