North America Native Plant

Manyray Gumweed

Botanical name: Grindelia grandiflora

USDA symbol: GRGR

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Manyray Gumweed: A Cheerful Texas Native for Your Wildflower Garden If you’re looking to add some sunny yellow blooms to your Texas garden while supporting local wildlife, manyray gumweed (Grindelia grandiflora) might just be the perfect annual wildflower for you. This charming native forb brings a burst of color to ...

Manyray Gumweed: A Cheerful Texas Native for Your Wildflower Garden

If you’re looking to add some sunny yellow blooms to your Texas garden while supporting local wildlife, manyray gumweed (Grindelia grandiflora) might just be the perfect annual wildflower for you. This charming native forb brings a burst of color to naturalized landscapes and requires minimal fuss once you understand its simple needs.

What Makes Manyray Gumweed Special

Manyray gumweed is a true Texas native, found naturally in the central and south-central regions of the Lone Star State. As its name suggests, this wildflower produces bright yellow, daisy-like blooms with numerous ray petals that create a cheerful display from spring through fall. The plant gets part of its common name from the sticky, gummy substance found on its buds and stems – a characteristic that helps it retain moisture in hot, dry conditions.

As an annual forb, manyray gumweed completes its entire life cycle in one growing season, but don’t let that fool you into thinking it’s not worth planting. This adaptable wildflower readily self-seeds, meaning you’ll likely see it return year after year once established in suitable conditions.

Where Manyray Gumweed Grows Best

This native beauty is perfectly adapted to Texas conditions, thriving in USDA hardiness zones 8-10. Manyray gumweed grows naturally throughout Texas, making it an excellent choice for gardeners wanting to work with plants that are truly at home in the local climate.

Garden Design and Landscape Uses

Manyray gumweed shines brightest in wildflower gardens and naturalized landscapes where its casual, free-spirited growth habit can be fully appreciated. Consider using it in:

  • Native wildflower meadows and prairies
  • Xeriscaped gardens focused on drought-tolerant plants
  • Informal cottage garden borders
  • Roadsides and slopes for erosion control
  • Wildlife gardens designed to attract pollinators

The plant’s annual nature makes it perfect for filling in gaps between perennial plantings or providing seasonal interest in areas where you want flexibility in your garden design.

Growing Conditions and Care

One of the best things about manyray gumweed is how easy it is to grow, especially if you’re working with Texas soil and climate conditions. Here’s what this adaptable native prefers:

  • Sunlight: Full sun for best flowering and growth
  • Soil: Well-drained soils of various types, tolerates poor soils
  • Water: Drought tolerant once established, prefers moderate moisture
  • Maintenance: Minimal care required after establishment

Planting and Care Tips

Getting manyray gumweed started in your garden is refreshingly straightforward:

  • Timing: Direct seed in fall or early spring when soil temperatures are cool
  • Seeding: Scatter seeds on prepared soil surface and lightly rake in
  • Spacing: Allow natural spacing as plants self-thin
  • Watering: Water gently until established, then rely on natural rainfall
  • Fertilizing: Generally unnecessary in native soil conditions

Once established, manyray gumweed typically requires no additional care. The plant’s ability to self-seed means you can expect volunteers in following seasons, though you can always collect and save seeds if you want more control over placement.

Benefits for Wildlife and Pollinators

Beyond its ornamental value, manyray gumweed serves as an important nectar source for various pollinators. Bees, butterflies, and other beneficial insects are drawn to its bright yellow flowers throughout the growing season. By planting this native species, you’re providing food resources that local wildlife have evolved alongside, making it a more valuable addition to your landscape than many non-native alternatives.

Is Manyray Gumweed Right for Your Garden?

If you garden in Texas and want to add low-maintenance color while supporting local ecosystems, manyray gumweed deserves serious consideration. It’s particularly well-suited for gardeners who appreciate the natural, somewhat wild appearance of native wildflowers over highly manicured displays.

However, keep in mind that as an annual, it won’t provide the consistent structure that perennial plants offer. It’s best used as part of a diverse planting scheme rather than as a standalone focal point. Also, if you prefer plants that stay exactly where you put them, the self-seeding nature of manyray gumweed might be more spontaneous than you’d like.

For Texas gardeners looking to create authentic native landscapes that support local wildlife while requiring minimal inputs, manyray gumweed represents an excellent choice that connects your garden directly to the natural heritage of the region.

Manyray 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 grandiflora Hook. - manyray gumweed

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