North America Native Plant

Sessileflower False Goldenaster

Botanical name: Heterotheca sessiliflora bolanderi

USDA symbol: HESEB2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Chrysopsis bolanderi A. Gray (CHBO8)  âš˜  Chrysopsis villosa (Pursh) Nutt. ex DC. var. bolanderi (A. Gray) A. Gray ex Jeps. (CHVIB)  âš˜  Heterotheca bolanderi (A. Gray) V.L. Harms (HEBO4)   

Sessileflower False Goldenaster: A Rare California Native Worth Protecting If you’re passionate about supporting California’s native plant heritage, you might want to learn about sessileflower false goldenaster (Heterotheca sessiliflora bolanderi). This lesser-known perennial herb represents a unique piece of the Golden State’s botanical puzzle, though finding it for your garden ...

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 Rare California Native Worth Protecting

If you’re passionate about supporting California’s native plant heritage, you might want to learn about sessileflower false goldenaster (Heterotheca sessiliflora bolanderi). This lesser-known perennial herb represents a unique piece of the Golden State’s botanical puzzle, though finding it for your garden might prove to be quite the treasure hunt.

What Makes This Plant Special?

Sessileflower false goldenaster belongs to the sunflower family and shares the cheerful, daisy-like blooms that make its relatives so beloved by gardeners and pollinators alike. As a perennial forb (that’s gardener-speak for a non-woody flowering plant that comes back year after year), this California native has adapted to thrive in the state’s unique climate conditions.

The plant goes by several scientific names in botanical literature, including Chrysopsis bolanderi and Heterotheca bolanderi, which might explain why information about it can be tricky to track down. Sometimes botanical name changes can make plants seem more mysterious than they actually are!

Where Does It Call Home?

This native beauty is found exclusively in California, making it a true Golden State endemic. Its limited range means it has evolved specifically for California’s diverse microclimates and soil conditions, potentially making it an excellent choice for gardeners looking to create authentic native landscapes.

A Word of Caution: Rarity Matters

Here’s where things get important: sessileflower false goldenaster has a conservation status that suggests it may be uncommon in the wild. Before you get your heart set on adding this plant to your garden, it’s crucial to source any plants or seeds responsibly. This means:

  • Only purchasing from reputable native plant nurseries
  • Ensuring any plant material comes from cultivated sources, not wild collection
  • Checking with local native plant societies for guidance
  • Never collecting seeds or plants from wild populations

Garden Potential and Growing Tips

While specific growing information for this particular subspecies is limited, plants in the Heterotheca genus typically prefer full sun and well-draining soils. Based on its California origins, it likely thrives in Mediterranean-style gardens and drought-tolerant landscapes.

Given California’s climate zones, this plant would likely do well in USDA hardiness zones 8-10, though local microclimates can vary significantly throughout the state.

Supporting Pollinators the Native Way

Like other members of the sunflower family, sessileflower false goldenaster likely provides valuable nectar and pollen for native bees, butterflies, and other beneficial insects. Supporting these relationships by growing native plants helps maintain the intricate web of life that California’s ecosystems depend on.

Should You Grow It?

If you can find sessileflower false goldenaster from a responsible source, it could be a wonderful addition to a native California garden. However, given its apparent rarity, you might also consider growing its more common relatives like Heterotheca sessiliflora (the parent species) or other native golden asters that provide similar ecological benefits without the conservation concerns.

Remember, sometimes the best way to support rare native plants is to grow their more common cousins while supporting conservation efforts for the rare ones. Your garden can still buzz with native pollinators and showcase California’s natural beauty while helping protect species that need our care the most.

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