North America Native Plant

Oregon False Goldenaster

Botanical name: Heterotheca oregona var. oregona

USDA symbol: HEORO

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Ammodia oregona Nutt. (AMOR)  âš˜  Chrysopsis oregona (Nutt.) A. Gray (CHOR4)   

Oregon False Goldenaster: A Late-Season Native Gem for Your Garden If you’re looking for a native wildflower that keeps the party going when most other blooms are calling it quits for the season, meet the Oregon false goldenaster (Heterotheca oregona var. oregona). This cheerful little perennial is like that friend ...

Oregon False Goldenaster: A Late-Season Native Gem for Your Garden

If you’re looking for a native wildflower that keeps the party going when most other blooms are calling it quits for the season, meet the Oregon false goldenaster (Heterotheca oregona var. oregona). This cheerful little perennial is like that friend who shows up fashionably late but makes the whole gathering better – it blooms when summer flowers are fading, bringing bright yellow sunshine to your garden just when you need it most.

What Makes Oregon False Goldenaster Special?

This native beauty belongs to the sunflower family and puts on quite a show with its small, daisy-like yellow flowers. Don’t let the false in its name fool you – there’s nothing fake about the charm this plant brings to a landscape. The name simply distinguishes it from true goldenasters in a different genus.

You might also see this plant listed under its old scientific names, including Ammodia oregona or Chrysopsis oregona, but don’t let the botanical name shuffling confuse you – it’s the same delightful plant.

Where Does It Call Home?

Oregon false goldenaster is a true West Coast native, naturally found along the coastal regions of California, Oregon, and Washington. This Pacific Northwest native has adapted beautifully to the region’s Mediterranean-like climate, making it an excellent choice for gardeners wanting to work with, rather than against, their local conditions.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where this plant really shines – it’s a pollinator magnet during late summer and fall when many other nectar sources have dried up. Bees, butterflies, and other beneficial insects flock to its cheerful yellow blooms, making it a valuable addition to any wildlife-friendly garden.

As a low-growing perennial forb (that’s garden-speak for a non-woody flowering plant), Oregon false goldenaster works wonderfully as:

  • Ground cover in native plant gardens
  • A colorful addition to wildflower meadows
  • Border plantings in coastal landscapes
  • Natural areas where you want to encourage biodiversity

Growing Oregon False Goldenaster: Easier Than You Think

One of the best things about choosing native plants is that they’re already adapted to your local conditions – and Oregon false goldenaster is no exception. If you live in USDA hardiness zones 7-10, this plant should thrive in your garden with minimal fuss.

Getting Started

Plant your Oregon false goldenaster in spring after the last frost date. Choose a spot with full sun to partial shade – this adaptable plant can handle both, though it tends to bloom more profusely with more sunlight.

Soil and Water Needs

The key to success with this plant is well-drained soil. It’s not particularly picky about soil type, but it definitely doesn’t like wet feet. Once established (usually after the first growing season), it’s quite drought tolerant – a real blessing for water-conscious gardeners.

Maintenance and Care

Here’s the really good news: Oregon false goldenaster is refreshingly low-maintenance. Water regularly during its first year to help establish a strong root system, then you can mostly let nature take over. If you want to extend the blooming period, deadhead spent flowers, but many gardeners choose to leave the seed heads for wildlife.

Is This Plant Right for Your Garden?

Oregon false goldenaster is an excellent choice if you:

  • Want to support native biodiversity
  • Live in the Pacific Northwest coastal region
  • Appreciate late-season color
  • Prefer low-maintenance plants
  • Are creating habitat for pollinators

However, you might want to consider other options if you’re looking for a showstopper specimen plant or need something for consistently moist conditions.

The Bottom Line

Oregon false goldenaster may not be the flashiest plant in the garden center, but it’s exactly the kind of steady, reliable performer that makes native gardening so rewarding. It shows up when you need it, supports local wildlife, and asks for very little in return. In a world of high-maintenance garden divas, sometimes the quiet achievers are exactly what we need.

Plus, there’s something deeply satisfying about growing plants that truly belong in your landscape – and your local bees and butterflies will definitely thank you for it.

Oregon False Goldenaster

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

Heterotheca Cass. - false goldenaster

Species

Heterotheca oregona (Nutt.) Shinners - Oregon false goldenaster

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