North America Native Plant

Largeflower Goldenweed

Botanical name: Pyrrocoma carthamoides var. carthamoides

USDA symbol: PYCAC2

Life cycle: perennial

Habit: forb

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

Synonyms: Haplopappus carthamoides (Hook.) A. Gray (HACA5)  âš˜  Haplopappus carthamoides (Hook.) A. Gray var. erythropappus (Rydb.) H. St. John (HACAE)  âš˜  Haplopappus carthamoides (Hook.) A. Gray ssp. rigidus (Rydb.) H.M. Hall (HACAR)  âš˜  Haplopappus carthamoides (Hook.) A. Gray var. rigidus (Rydb.) M. Peck (HACAR2)  âš˜  Haplopappus carthamoides (Hook.) A. Gray var. typicus (H.M. Hall) Cronquist (HACAT)   

Largeflower Goldenweed: A Cheerful Native Wildflower for Low-Maintenance Gardens Meet largeflower goldenweed (Pyrrocoma carthamoides var. carthamoides), a delightful native perennial that’s like that reliable friend who always brightens your day without asking for much in return. This charming wildflower brings sunny yellow blooms to gardens across the Pacific Northwest and ...

Largeflower Goldenweed: A Cheerful Native Wildflower for Low-Maintenance Gardens

Meet largeflower goldenweed (Pyrrocoma carthamoides var. carthamoides), a delightful native perennial that’s like that reliable friend who always brightens your day without asking for much in return. This charming wildflower brings sunny yellow blooms to gardens across the Pacific Northwest and northern Rocky Mountains, proving that sometimes the best plants are the ones that have been thriving in your region for thousands of years.

Where Does Largeflower Goldenweed Call Home?

This hardy perennial is a true native of North America, naturally occurring across British Columbia, Idaho, Montana, Oregon, and Washington. It’s perfectly adapted to the climate and growing conditions of these regions, which means it’s already programmed for success in your garden if you live in these areas.

What Makes This Plant Special?

Largeflower goldenweed is a herbaceous perennial forb that stays relatively low to the ground, making it perfect for filling in spaces where you want color without height. As its name suggests, this plant produces lovely golden-yellow, daisy-like flowers that bloom in late summer and fall when many other plants are starting to fade. The silvery-green foliage provides an attractive backdrop for those cheerful blooms.

What really sets this plant apart is its incredible drought tolerance and low-maintenance nature. Once established, it’s the kind of plant that thrives on neglect – perfect for busy gardeners or those looking to create sustainable, water-wise landscapes.

Perfect Spots for Your Garden

Largeflower goldenweed shines in several garden settings:

  • Rock gardens where its drought tolerance really shows off
  • Native plant gardens alongside other regional wildflowers
  • Xeriscaping projects where water conservation is key
  • Naturalized areas where you want a wild, meadow-like feel
  • As groundcover in sunny, dry spots where other plants struggle

Growing Conditions That Make It Happy

This adaptable native thrives in USDA hardiness zones 3-8, making it suitable for a wide range of climates. Here’s what largeflower goldenweed loves:

  • Sun: Full sun is best, though it can tolerate some light shade
  • Soil: Well-draining soil is essential – it doesn’t like wet feet
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • Soil type: Adaptable to various soil types, including sandy and rocky soils

Planting and Care Made Simple

One of the best things about largeflower goldenweed is how easy it is to grow. Here are some tips for success:

  • Plant in spring or fall when temperatures are moderate
  • Space plants about 12-18 inches apart to allow for natural spreading
  • Water regularly the first year to help establish roots, then reduce watering
  • Cut back spent flowers after blooming if you prefer a tidier look
  • Minimal fertilization needed – this plant actually prefers lean soils
  • Divide clumps every 3-4 years if they become overcrowded

Wildlife and Pollinator Magnet

Your local ecosystem will thank you for planting largeflower goldenweed. The bright yellow flowers are excellent nectar sources for native bees, butterflies, and other beneficial insects. The late-season blooms are particularly valuable since they provide food when many other flowers have finished for the year.

Why Choose Native?

Choosing native plants like largeflower goldenweed isn’t just good for your garden – it’s good for the planet. Native plants support local wildlife, require fewer resources once established, and help preserve the natural character of your region. Plus, they’re naturally adapted to your local climate, which means less work for you and better results in your garden.

If you’re looking for a cheerful, low-maintenance addition to your garden that supports local wildlife while adding beautiful late-season color, largeflower goldenweed might just be your perfect match. It’s proof that sometimes the best garden companions are the ones that have been neighbors with your landscape all along.

Largeflower Goldenweed

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

Pyrrocoma Hook. - goldenweed

Species

Pyrrocoma carthamoides Hook. - largeflower goldenweed

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