North America Native Plant

Arizona Gumweed

Botanical name: Grindelia arizonica var. arizonica

USDA symbol: GRARA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Grindelia arizonica A. Gray var. dentata Steyerm. (GRARD)  âš˜  Grindelia arizonica A. Gray var. microphylla Steyerm. (GRARM)   

Arizona Gumweed: A Tough-as-Nails Native Wildflower for Desert Gardens If you’re looking for a native wildflower that laughs in the face of drought and keeps on blooming, let me introduce you to Arizona gumweed (Grindelia arizonica var. arizonica). This scrappy little perennial is proof that some of the best garden ...

Arizona Gumweed: A Tough-as-Nails Native Wildflower for Desert Gardens

If you’re looking for a native wildflower that laughs in the face of drought and keeps on blooming, let me introduce you to Arizona gumweed (Grindelia arizonica var. arizonica). This scrappy little perennial is proof that some of the best garden plants are the ones that have been thriving in harsh conditions long before we ever thought to cultivate them.

What Makes Arizona Gumweed Special?

Arizona gumweed is a true native of the American Southwest, naturally occurring in Arizona, New Mexico, and Texas. As a herbaceous perennial forb, it dies back to the ground each winter but returns reliably year after year. What sets this plant apart is its incredible resilience and its cheerful yellow daisy-like flowers that appear when many other plants are calling it quits for the season.

The plant gets its gumweed name from the sticky, resinous bracts that surround its flower heads – nature’s way of protecting the blooms from hungry insects and harsh weather. You might also find this plant listed under its botanical synonyms Grindelia arizonica var. dentata or Grindelia arizonica var. microphylla in some references.

Why Grow Arizona Gumweed?

There are plenty of reasons to give this native wildflower a spot in your garden:

  • Drought champion: Once established, it needs minimal supplemental water
  • Pollinator magnet: Bees, butterflies, and other beneficial insects love its nectar-rich flowers
  • Late-season color: Blooms from late summer into fall when many plants are fading
  • Low maintenance: Requires very little care once settled in
  • Native heritage: Supports local ecosystems and wildlife

Perfect Garden Situations

Arizona gumweed shines in specific garden settings where its natural toughness is an asset rather than overkill. Consider it for:

  • Desert and xeriscape gardens
  • Native wildflower meadows
  • Low-water landscaping projects
  • Naturalized areas where you want color without constant care
  • Pollinator gardens in arid regions

Growing Conditions and Care

The beauty of Arizona gumweed lies in its simplicity. This plant thrives in USDA hardiness zones 7-10 and asks for very little:

Sun: Full sun is essential – this plant loves to bask in bright light all day long.

Soil: Well-draining soil is non-negotiable. Arizona gumweed can handle poor, rocky, or sandy soils but will sulk (or worse, rot) in heavy, water-logged conditions.

Water: Here’s where this plant really earns its keep. After the first growing season, it typically needs no supplemental irrigation in areas with even modest rainfall. During establishment, water moderately until you see strong growth.

Planting and Ongoing Care

Getting Arizona gumweed started is straightforward:

  • Plant in spring after the last frost
  • Space plants about 18-24 inches apart
  • Water regularly the first year to establish deep roots
  • After establishment, water only during extended dry spells
  • Deadhead spent flowers to encourage continued blooming
  • Cut back to ground level in late winter before new growth begins

The minimal care requirements make this an ideal choice for gardeners who want maximum impact with minimum effort.

A Few Things to Consider

While Arizona gumweed is generally well-behaved, there are a few things to keep in mind. Its sticky flower bracts can collect dust and debris, giving it a somewhat untidy appearance up close – though this is barely noticeable from normal viewing distances. Also, like many native wildflowers, it may look sparse or informal compared to heavily bred garden varieties, making it better suited for naturalistic rather than formal garden designs.

The Bottom Line

Arizona gumweed proves that native doesn’t mean boring, and tough doesn’t mean ugly. For gardeners in the Southwest looking to create sustainable, wildlife-friendly landscapes that celebrate their regional flora, this cheerful yellow wildflower deserves serious consideration. It’s a plant that works with nature rather than against it – and in our water-conscious gardening world, that’s exactly the kind of ally we need.

Arizona 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 arizonica A. Gray - Arizona gumweed

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