North America Native Plant

Short Woollyheads

Botanical name: Psilocarphus brevissimus

USDA symbol: PSBR

Life cycle: annual

Habit: forb

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

Short Woollyheads: A Humble Native Annual Worth Knowing If you’re looking for a showy garden centerpiece, short woollyheads (Psilocarphus brevissimus) might not be your first choice. But if you’re passionate about native plants and supporting local ecosystems, this unassuming little annual deserves a closer look. Sometimes the most valuable plants ...

Short Woollyheads: A Humble Native Annual Worth Knowing

If you’re looking for a showy garden centerpiece, short woollyheads (Psilocarphus brevissimus) might not be your first choice. But if you’re passionate about native plants and supporting local ecosystems, this unassuming little annual deserves a closer look. Sometimes the most valuable plants are the ones that work quietly behind the scenes.

What Exactly Are Short Woollyheads?

Short woollyheads are small annual forbs – essentially non-woody flowering plants that complete their entire life cycle in a single growing season. True to their name, these plants have a distinctly woolly appearance thanks to their fuzzy, grayish-white stems and leaves. The heads part of their name refers to their tiny, clustered flower heads that might remind you of miniature cotton balls.

As an annual, short woollyheads pop up each spring from seed, bloom, set seed, and die back by fall. They’re part of the sunflower family (Asteraceae), though you’d never guess it from their modest appearance – they’re about as far from a giant sunflower as you can get!

Where Do Short Woollyheads Call Home?

This hardy little plant is a true North American native, naturally occurring across a impressive range that spans both Canada and the United States. You’ll find short woollyheads growing wild from Alberta and British Columbia down through California, and eastward across Saskatchewan, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming.

The plant thrives in USDA hardiness zones 3 through 9, making it adaptable to a wide range of climates from cold mountain regions to warmer valleys.

The Wetland Connection

Here’s where things get interesting: short woollyheads are considered facultative wetland plants across their entire native range. This means they usually prefer wet or moist conditions but can tough it out in drier spots when needed. You’ll often spot them along seasonal pond edges, in meadows that flood in spring, or in those slightly soggy areas of your yard that other plants might find challenging.

Why Consider Growing Short Woollyheads?

Let’s be honest – you’re probably not planting short woollyheads for their stunning visual impact. But here’s why they’re worth considering:

  • Native plant credentials: Supporting local ecosystems by growing truly native species
  • Low maintenance: Once established, they pretty much take care of themselves
  • Pollinator support: Small native bees and other tiny pollinators appreciate their modest blooms
  • Problem-solver: Great for those wet, marginal areas where other plants struggle
  • Restoration value: Excellent for native plant restoration projects

Growing Short Woollyheads Successfully

The beauty of short woollyheads lies in their simplicity. These plants evolved to thrive in less-than-perfect conditions, so they’re refreshingly easy to grow:

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade
  • Soil: Moist to seasonally wet soils; tolerates poor, disturbed ground
  • Water: Prefers consistent moisture, especially in spring
  • pH: Adaptable to various soil pH levels

Planting and Care Tips

Since short woollyheads are annuals, you’ll need to start from seed each year (or let them self-seed). Here’s how to get started:

  • Direct sow seeds in fall or early spring when soil is naturally moist
  • Scatter seeds lightly over prepared soil – no need to bury them deeply
  • Keep soil consistently moist during germination
  • Once established, they need minimal care beyond occasional watering during dry spells
  • Allow plants to go to seed if you want them to return next year

Where Short Woollyheads Shine

Short woollyheads work best in specific garden situations:

  • Native plant gardens: Perfect for authentic regional plant communities
  • Rain gardens: Excellent choice for areas that collect seasonal water
  • Restoration sites: Ideal for rehabilitating disturbed or marginal areas
  • Naturalized meadows: Adds subtle texture to wildflower mixes
  • Seasonal wetland margins: Thrives where water levels fluctuate

Setting Realistic Expectations

Short woollyheads won’t win any beauty contests, and that’s perfectly okay. They’re small (usually staying under a foot tall), their flowers are tiny and inconspicuous, and their overall appearance is more rustic than refined. Think of them as the plant equivalent of a reliable friend who’s always there when you need them, even if they’re not the life of the party.

The Bottom Line

Should you plant short woollyheads? If you’re passionate about native plants, have some challenging wet spots in your landscape, or are working on restoration projects, absolutely. They’re a no-fuss way to support local ecology while solving some tricky landscaping challenges.

However, if you’re looking for dramatic color or bold architectural presence, you might want to pair them with showier native companions. Short woollyheads work best as supporting players in the native plant garden, quietly doing their job while flashier plants take center stage.

Sometimes the most valuable contributions come in small packages, and short woollyheads prove that being humble doesn’t mean being unimportant.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Great Plains

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Short Woollyheads

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

Psilocarphus Nutt. - woollyheads

Species

Psilocarphus brevissimus Nutt. - short woollyheads

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