North America Native Plant

Sessileflower False Goldenaster

Botanical name: Heterotheca sessiliflora sessiliflora

USDA symbol: HESES2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Chrysopsis sessiliflora Nutt. (CHSE14)  âš˜  Chrysopsis villosa (Pursh) Nutt. ex DC. var. sessiliflora (Nutt.) A. Gray (CHVIS3)   

Sessileflower False Goldenaster: A Golden Gem for California Gardens If you’re looking for a native California wildflower that brings cheerful yellow blooms to your garden while supporting local wildlife, meet the sessileflower false goldenaster (Heterotheca sessiliflora sessiliflora). This charming perennial might not have the flashiest name, but it packs a ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 ⚘

Sessileflower False Goldenaster: A Golden Gem for California Gardens

If you’re looking for a native California wildflower that brings cheerful yellow blooms to your garden while supporting local wildlife, meet the sessileflower false goldenaster (Heterotheca sessiliflora sessiliflora). This charming perennial might not have the flashiest name, but it packs a punch when it comes to both beauty and ecological value.

What Makes This Plant Special?

The sessileflower false goldenaster is a true California native, belonging to the sunflower family. As a perennial forb – essentially a non-woody flowering plant – it returns year after year to grace your garden with its bright yellow, daisy-like blooms. The sessile in its name refers to its flowers that sit directly on the stem without stalks, creating a distinctive clustered appearance.

You might also encounter this plant listed under its older scientific names, including Chrysopsis sessiliflora, but don’t let the name changes confuse you – it’s the same delightful species.

Where Does It Grow?

This golden beauty calls California home, thriving in the state’s diverse landscapes from chaparral to oak woodlands. As a native species, it’s perfectly adapted to California’s Mediterranean climate and unique growing conditions.

A Note About Conservation

Here’s something important to know: sessileflower false goldenaster has a conservation status that suggests it may face some population pressures in the wild. If you’re interested in adding this plant to your garden, make sure to source it responsibly from reputable native plant nurseries rather than collecting from wild populations. By growing it in your garden, you’re actually helping to preserve this species for future generations!

Why Plant Sessileflower False Goldenaster?

There are several compelling reasons to consider this native gem for your landscape:

  • Pollinator magnet: The bright yellow flowers attract bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, it’s remarkably drought-tolerant
  • Native ecosystem support: Helps maintain local biodiversity
  • Seasonal interest: Provides color and texture throughout its growing season
  • Perfect for naturalized areas: Excellent choice for wildflower gardens and natural landscapes

Growing Conditions and Care

The beauty of native plants is that they’re naturally suited to their home environment, and sessileflower false goldenaster is no exception. Here’s what this plant prefers:

Light and Soil Requirements

Give your sessileflower false goldenaster plenty of sunshine – it thrives in full sun conditions. As for soil, well-draining ground is essential. This plant has adapted to California’s naturally lean soils, so avoid overly rich or constantly moist conditions that might cause problems.

Watering Needs

Once established, this drought-tolerant perennial requires minimal supplemental watering. During its first growing season, provide regular water to help it develop a strong root system, then gradually reduce watering frequency. Mature plants can typically survive on natural rainfall in most California locations.

Climate Zones

This plant is best suited for USDA hardiness zones 8-10, which aligns perfectly with much of California’s climate.

Design Ideas and Garden Roles

Sessileflower false goldenaster works wonderfully in several garden styles:

  • Native plant gardens: A natural choice for California native landscapes
  • Drought-tolerant gardens: Perfect for water-wise landscaping
  • Wildlife gardens: Provides food and habitat for beneficial insects
  • Naturalized areas: Great for creating meadow-like spaces
  • Rock gardens: Thrives in well-draining, lean soil conditions

Planting and Care Tips

Getting your sessileflower false goldenaster off to a good start is straightforward:

  • Plant in fall or early spring for best establishment
  • Space plants according to their mature size to allow good air circulation
  • Mulch lightly around plants to retain moisture and suppress weeds
  • Avoid over-fertilizing – native plants typically prefer lean conditions
  • Deadhead spent flowers to encourage continued blooming, or leave them for wildlife
  • Cut back in late winter or early spring before new growth appears

The Bottom Line

Sessileflower false goldenaster offers California gardeners a wonderful opportunity to support native biodiversity while enjoying beautiful, low-maintenance blooms. Its drought tolerance, pollinator appeal, and authentic California heritage make it a smart choice for sustainable gardening. Just remember to source your plants responsibly to help protect wild populations of this special native species.

Whether you’re creating a dedicated native plant garden or simply looking to add some golden sunshine to your landscape, this charming perennial deserves a spot in your California garden.

Sessileflower False Goldenaster

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

Heterotheca Cass. - false goldenaster

Species

Heterotheca sessiliflora (Nutt.) Shinners - sessileflower false goldenaster

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