North America Native Plant

Spinecape

Botanical name: Goodmania

USDA symbol: GOODM

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Spinecape: A Tiny Desert Native Worth Getting to Know If you’re passionate about native desert plants and love discovering the lesser-known gems of the American Southwest, let me introduce you to spinecape (Goodmania). This humble little annual might not win any beauty contests, but it’s got character—and more importantly, it’s ...

Spinecape: A Tiny Desert Native Worth Getting to Know

If you’re passionate about native desert plants and love discovering the lesser-known gems of the American Southwest, let me introduce you to spinecape (Goodmania). This humble little annual might not win any beauty contests, but it’s got character—and more importantly, it’s a true native that deserves recognition in the right garden setting.

What Exactly Is Spinecape?

Spinecape is a small annual forb, which is just a fancy way of saying it’s a soft-stemmed plant (not woody like a shrub) that completes its entire life cycle in one growing season. As a native herbaceous plant, it lacks the thick, woody stems you’d find on perennial shrubs, instead producing tender growth that emerges, flowers, sets seed, and dies back all within a single year.

This little desert dweller is a true native of the lower 48 states, specifically calling the arid regions of California and Nevada home. You’ll find it growing naturally in the harsh, beautiful landscapes where many other plants simply can’t survive.

Should You Plant Spinecape in Your Garden?

Here’s where things get interesting—and a bit challenging. Spinecape is what we might call a specialist’s plant. It’s not your typical garden center find, and there’s a good reason for that.

The Honest Truth About Growing Spinecape

Let’s be upfront: spinecape isn’t the easiest native plant to incorporate into most home landscapes. This desert annual has very specific requirements that can be difficult to replicate outside of its natural habitat. It thrives in the harsh, arid conditions of the southwestern deserts, where it has adapted to:

  • Extremely low water availability
  • Sandy or rocky, well-draining soils
  • Intense sun and heat
  • Natural temperature fluctuations of desert climates

Where Spinecape Shines

If you’re creating an authentic desert garden or xeriscaped landscape in USDA zones 8-10, and you’re committed to using true regional natives, spinecape could be a fascinating addition. It’s best suited for:

  • Specialized desert demonstration gardens
  • Educational native plant collections
  • Restoration projects in appropriate habitats
  • Rock gardens designed to mimic desert conditions

Growing Conditions and Care

If you’re determined to try growing spinecape, you’ll need to recreate its natural desert environment as closely as possible:

Soil Requirements

Provide extremely well-draining, sandy or rocky soil. Clay soils or anything that retains moisture will likely spell doom for this desert specialist.

Water Needs

Once established, spinecape requires very little supplemental water. In fact, too much water can be harmful. Natural rainfall patterns of its native range should guide any irrigation.

Sun Exposure

Full sun is essential. This plant has evolved to handle intense desert sunlight and heat.

Wildlife and Pollinator Value

While specific information about spinecape’s wildlife benefits is limited, most native desert annuals support local ecosystems in important ways. Small native insects, including potential pollinators, likely benefit from even modest plants like spinecape during their brief flowering period.

The Bottom Line

Spinecape represents the fascinating diversity of our native flora, even if it’s not the showiest plant in the desert. For most gardeners, there are more readily available and easier-to-grow native alternatives that will provide better results and more reliable establishment.

However, if you’re passionate about preserving and showcasing the complete range of native species in your region, and you have the right conditions and commitment, spinecape offers a unique opportunity to grow something truly special—a plant that connects your garden directly to the wild landscapes of the American Southwest.

Consider starting with more garden-friendly desert natives first, and save spinecape for when you’ve mastered the art of desert gardening and are ready for your next challenge!

Spinecape

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Goodmania Reveal & Ertter - spinecape

Species

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