North America Native Plant

Great Valley Gumweed

Botanical name: Grindelia camporum var. camporum

USDA symbol: GRCAC

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Grindelia camporum Greene var. parviflora Steyerm. (GRCAP)  âš˜  Grindelia paludosa Greene (GRPA)  âš˜  Grindelia procera Greene (GRPR)  âš˜  Grindelia robusta Nutt. p.p. (GRRO2)   

Great Valley Gumweed: A Sunny Native Perennial for Low-Water Gardens Looking for a cheerful, drought-tolerant native plant that won’t demand constant attention? Meet Great Valley gumweed (Grindelia camporum var. camporum), a delightfully resilient perennial that brings sunny yellow blooms to your garden while supporting local wildlife. This California native might ...

Great Valley Gumweed: A Sunny Native Perennial for Low-Water Gardens

Looking for a cheerful, drought-tolerant native plant that won’t demand constant attention? Meet Great Valley gumweed (Grindelia camporum var. camporum), a delightfully resilient perennial that brings sunny yellow blooms to your garden while supporting local wildlife. This California native might just be the low-maintenance gem you’ve been searching for!

What Makes Great Valley Gumweed Special?

Great Valley gumweed is a native forb – essentially a non-woody perennial plant that dies back to the ground each winter and returns with vigor in spring. As a true California native, this plant has evolved to thrive in the challenging conditions of the Golden State’s Central Valley and surrounding regions.

Currently, you can find this hardy native growing naturally in California, Massachusetts, Nevada, and Pennsylvania, though its primary range centers on California’s Great Valley region.

Garden Appeal and Landscape Role

This cheerful perennial produces bright yellow, daisy-like flowers that practically glow in the landscape. The blooms emerge from distinctive sticky buds (hence the gumweed name), and the gray-green foliage provides an attractive backdrop even when the plant isn’t flowering.

Great Valley gumweed works wonderfully in:

  • Native plant gardens
  • Xeriscape and drought-tolerant landscapes
  • Naturalized wildflower areas
  • Pollinator gardens
  • Low-maintenance landscape borders

Supporting Pollinators and Wildlife

One of the best reasons to grow Great Valley gumweed is its value to beneficial insects. The bright yellow flowers attract bees, butterflies, and other pollinators, making it an excellent choice for anyone looking to create a more wildlife-friendly garden. Native plants like this one have co-evolved with local wildlife, often providing better nutrition and habitat than non-native alternatives.

Growing Conditions and Care

Here’s where Great Valley gumweed really shines – it’s remarkably easy to grow! This plant thrives in USDA hardiness zones 8-10 and prefers:

  • Full sun exposure
  • Well-draining soil (clay, loam, or sandy soils all work)
  • Minimal water once established
  • Good air circulation

The key to success with this native is remembering that it evolved in California’s Mediterranean climate, which means wet winters and dry summers. Once established, it can handle significant drought and actually prefers to dry out between waterings.

Planting and Care Tips

Getting started with Great Valley gumweed is straightforward:

  • Planting time: Fall is ideal, allowing roots to establish during the rainy season
  • Soil preparation: Ensure good drainage – this plant dislikes soggy conditions
  • Watering: Water regularly the first year, then reduce to occasional deep watering
  • Maintenance: Deadhead spent flowers to encourage more blooms, cut back in late winter
  • Fertilizer: Generally unnecessary – native plants often prefer lean soils

Is Great Valley Gumweed Right for Your Garden?

This native perennial is perfect for gardeners who want maximum impact with minimal effort. It’s especially valuable if you’re trying to reduce water usage, support local wildlife, or create a more sustainable landscape. The sunny yellow flowers provide months of color, and the plant’s resilient nature means it’ll keep coming back year after year.

Consider adding Great Valley gumweed to your garden if you appreciate native plants that work hard, look great, and ask for very little in return. Your local pollinators will thank you, and you’ll enjoy a beautiful, low-maintenance addition to your landscape!

Great Valley 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 camporum Greene - Great Valley gumweed

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