North America Native Plant

Cronquist’s Stickseed

Botanical name: Hackelia cronquistii

USDA symbol: HACR4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Hackelia patens (Nutt.) I.M. Johnst. var. semiglabra Cronquist (HAPAS)   

Cronquist’s Stickseed: A Rare Pacific Northwest Native Worth Protecting If you’re passionate about native plants and drawn to supporting conservation through gardening, Cronquist’s stickseed might just capture your heart. This modest but important wildflower represents everything we love about regional native plants – it’s perfectly adapted to its home environment ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Cronquist’s Stickseed: A Rare Pacific Northwest Native Worth Protecting

If you’re passionate about native plants and drawn to supporting conservation through gardening, Cronquist’s stickseed might just capture your heart. This modest but important wildflower represents everything we love about regional native plants – it’s perfectly adapted to its home environment and plays a vital role in local ecosystems.

Meet Cronquist’s Stickseed

Cronquist’s stickseed (Hackelia cronquistii) is a perennial forb – essentially a non-woody flowering plant that returns year after year. This member of the borage family produces small, charming blue flowers that cluster atop hairy stems, creating a delicate wildflower display that’s both understated and beautiful.

You might occasionally see this plant listed under its former scientific name, Hackelia patens var. semiglabra, but Hackelia cronquistii is the current accepted name honoring botanist Arthur Cronquist.

Where It Calls Home

This native beauty has a relatively small natural range, growing wild in just two states: Idaho and Oregon. It’s perfectly adapted to the unique climate and growing conditions of the Pacific Northwest, making it an excellent choice for gardeners in these regions who want to support local plant communities.

Why Consider Growing It (With Important Caveats)

Here’s where things get interesting – and important. Cronquist’s stickseed carries a Global Conservation Status of S3, meaning it’s considered vulnerable. With typically only 21 to 100 known occurrences and between 3,000 to 10,000 individuals in the wild, this plant needs our help.

If you’re interested in growing Cronquist’s stickseed, responsible sourcing is absolutely critical. Only obtain plants or seeds from reputable native plant nurseries that propagate their stock rather than wild-collecting. Never collect from wild populations.

Garden Appeal and Design Role

While Cronquist’s stickseed won’t win any awards for showstopping blooms, it brings subtle charm to the right garden settings. The small blue flowers attract native pollinators, particularly smaller bees, making it valuable for pollinator gardens. Its modest height and naturalized appearance work beautifully in:

  • Native plant collections
  • Wildflower meadows
  • Rock gardens
  • Naturalized landscape areas
  • Conservation-focused gardens

Growing Conditions and Care

Like many Pacific Northwest natives, Cronquist’s stickseed appreciates well-drained soils and can handle both partial shade and full sun conditions. Once established, it shows good drought tolerance – a trait that makes it suitable for water-wise gardening approaches.

This hardy perennial thrives in USDA zones 4-8, making it suitable for most temperate gardens within its native range. The plant’s natural adaptations to local conditions mean it typically requires minimal maintenance once established.

Planting and Care Tips

Growing Cronquist’s stickseed successfully means working with its natural preferences:

  • Plant in well-draining soil – soggy conditions are not its friend
  • Choose a location with morning sun and some afternoon protection in hotter areas
  • Water regularly during the first growing season to establish roots
  • Once established, reduce watering and let natural precipitation do most of the work
  • Allow the plant to self-seed if you want it to naturalize in your garden
  • Minimal fertilization needed – too much can actually harm native plants

The Conservation Connection

Growing Cronquist’s stickseed isn’t just about adding another plant to your garden – it’s about participating in conservation. By cultivating responsibly sourced specimens, you’re helping to preserve genetic diversity and potentially creating seed sources for future restoration efforts.

This plant represents the kind of local biodiversity that makes each region unique. When we grow and protect species like Cronquist’s stickseed, we’re maintaining the intricate web of relationships between plants, pollinators, and other wildlife that have developed over thousands of years.

Should You Grow It?

If you garden in Idaho or Oregon and are committed to supporting native plant conservation, Cronquist’s stickseed could be a meaningful addition to your landscape. Just remember – responsible sourcing isn’t optional with vulnerable species like this one.

For gardeners outside its native range, consider focusing on natives specific to your own region. Every area has its own special plants that could use similar conservation support, and you’ll have the best success with species naturally adapted to your local conditions.

Cronquist’s stickseed reminds us that sometimes the most important plants aren’t the flashiest ones. In a world where we’re losing plant diversity at an alarming rate, every gardener who chooses to grow and protect species like this one becomes part of the solution.

Cronquist’s Stickseed

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

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Hackelia Opiz - stickseed

Species

Hackelia cronquistii J.L. Gentry - Cronquist's stickseed

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