North America Native Plant

Dwarf Woollyheads

Botanical name: Psilocarphus brevissimus var. multiflorus

USDA symbol: PSBRM

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Dwarf Woollyheads: A Tiny California Native Worth Getting to Know If you’re looking to add authentic California character to your garden with a plant that’s as charming as its name suggests, let me introduce you to dwarf woollyheads (Psilocarphus brevissimus var. multiflorus). This petite annual native might not win any ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Dwarf Woollyheads: A Tiny California Native Worth Getting to Know

If you’re looking to add authentic California character to your garden with a plant that’s as charming as its name suggests, let me introduce you to dwarf woollyheads (Psilocarphus brevissimus var. multiflorus). This petite annual native might not win any height contests, but what it lacks in stature, it makes up for in authentic local heritage and ecological value.

What Makes Dwarf Woollyheads Special?

Dwarf woollyheads is a true California original, native exclusively to the Golden State. As an annual forb, this herbaceous plant completes its entire life cycle within a single growing season, making it a perfect candidate for gardeners who enjoy seasonal variety and the excitement of replanting each year.

This little native belongs to a special category of plants called forbs – essentially, flowering plants that don’t develop woody stems. Think of them as the herbaceous workhorses of the plant world, putting all their energy into flowers and seeds rather than building permanent woody structure.

Where You’ll Find This California Native

Dwarf woollyheads calls California home, where it has adapted to local growing conditions over thousands of years. This makes it naturally suited to California’s unique climate patterns and soil conditions.

Should You Plant Dwarf Woollyheads?

Here’s where things get interesting. While dwarf woollyheads has several compelling qualities as a native plant, there are some important considerations:

The Case for Planting

  • **True California heritage**: Supporting genuine local biodiversity
  • **Low maintenance potential**: Native plants typically require less water and care once established
  • **Ecological authenticity**: Provides habitat that local wildlife has co-evolved with
  • **Annual interest**: Offers seasonal garden variety

Important Considerations

Dwarf woollyheads has a conservation status of S4T3, which suggests some level of conservation concern. If you decide to grow this native, it’s crucial to source seeds or plants only from reputable native plant nurseries that practice responsible collection methods. Never collect seeds from wild populations.

Growing Dwarf Woollyheads Successfully

Unfortunately, specific growing information for this particular variety is limited in readily available sources. However, as a California native annual, you can expect it to thrive with:

  • **Timing**: Plant according to California’s natural rainfall patterns
  • **Water-wise approach**: Likely adapted to Mediterranean climate patterns
  • **Native soil preferences**: Probably tolerant of typical California soil conditions
  • **Full sun exposure**: Most California natives prefer sunny locations

The Bottom Line

Dwarf woollyheads represents an opportunity to grow something truly unique to California’s natural heritage. While specific cultivation information may require some detective work with local native plant societies or extension offices, the effort could be rewarding for gardeners passionate about authentic regional flora.

If you’re drawn to this native but concerned about sourcing or growing challenges, consider exploring other well-documented California native annuals as alternatives. Your local native plant society can recommend similar species with more readily available growing information and ethically sourced seeds.

Remember, every native plant we successfully grow and propagate helps preserve California’s natural heritage for future generations – and that’s something worth getting a little woolly-headed about!

Dwarf 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