North America Native Plant

Seely’s Catchfly

Botanical name: Silene seelyi

USDA symbol: SISE2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Anotites seelyi (Morton & J.W. Thomp.) W.A. Weber (ANSE10)   

Seely’s Catchfly: A Rare Pacific Northwest Native Worth Protecting If you’re a native plant enthusiast with a passion for conservation, Seely’s catchfly (Silene seelyi) might just capture your heart—and your sense of responsibility. This diminutive perennial is one of Washington state’s botanical treasures, though you’re unlikely to stumble across it ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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 ⚘

Seely’s Catchfly: A Rare Pacific Northwest Native Worth Protecting

If you’re a native plant enthusiast with a passion for conservation, Seely’s catchfly (Silene seelyi) might just capture your heart—and your sense of responsibility. This diminutive perennial is one of Washington state’s botanical treasures, though you’re unlikely to stumble across it at your local nursery. Let’s explore why this little-known native deserves our attention and respect.

What Makes Seely’s Catchfly Special?

Seely’s catchfly is a herbaceous perennial forb native to the Pacific Northwest, specifically found only in Washington state. As a member of the Caryophyllaceae family (the carnation family), it shares characteristics with other catchflies but has earned its own distinct place in the botanical world. You might also see it listed under its scientific synonym, Anotites seelyi, in older botanical references.

Like other forbs, this plant lacks significant woody tissue and maintains its perennial nature through underground structures that survive harsh winters and emerge each growing season.

Where Does Seely’s Catchfly Call Home?

This catchfly is endemic to Washington state, making it a true regional specialty. Its limited geographic range contributes significantly to its conservation concern.

A Plant That Needs Our Help

Here’s where things get serious: Seely’s catchfly has a Global Conservation Status of S2S3, indicating it’s considered rare and potentially vulnerable. This means that while you might be tempted to add this unique native to your garden, you should proceed with extreme caution and responsibility.

Important Conservation Note: If you’re interested in growing Seely’s catchfly, only obtain plants or seeds from reputable sources that can guarantee responsible collection practices. Never collect from wild populations, as this could further threaten an already vulnerable species.

Growing Seely’s Catchfly: Proceed with Care

Due to its rarity, detailed cultivation information for Seely’s catchfly is limited. However, based on its membership in the Silene genus and its Pacific Northwest origins, here’s what we can reasonably infer about its needs:

Likely Growing Conditions

  • Climate: Adapted to Pacific Northwest conditions with mild, wet winters and dry summers
  • Soil: Probably prefers well-draining soils, as many catchflies are sensitive to waterlogged conditions
  • Sunlight: Likely thrives in partial sun to light shade conditions
  • Hardiness: Expected to be hardy in USDA zones typical for Washington state natives

Why Consider This Plant?

Beyond its conservation value, Seely’s catchfly offers several benefits to the dedicated native plant gardener:

  • True regional native: Supports local ecosystem integrity
  • Pollinator potential: Catchflies typically attract moths and other nighttime pollinators
  • Conservation contribution: Growing rare natives helps preserve genetic diversity
  • Educational value: A conversation starter about plant conservation

Garden Design Role

As a forb, Seely’s catchfly would likely work well in:

  • Native plant collections
  • Specialized conservation gardens
  • Pacific Northwest habitat restorations
  • Educational or demonstration plantings

The Bottom Line

Seely’s catchfly represents both an opportunity and a responsibility. While most gardeners might be better served by choosing more readily available Pacific Northwest natives, conservation-minded individuals with access to responsibly sourced plants could play a valuable role in preserving this rare species.

If you can’t locate Seely’s catchfly through proper channels, consider other native Silene species or Pacific Northwest forbs that provide similar ecological benefits without the conservation concerns. Your local native plant society can help you identify suitable alternatives that support regional wildlife while being more sustainable to grow.

Remember: when it comes to rare plants, our role as gardeners extends beyond aesthetics to stewardship. Sometimes the most loving thing we can do is admire these botanical treasures from afar while working to protect their natural habitats.

Seely’s Catchfly

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Silene L. - catchfly

Species

Silene seelyi Morton & J.W. Thomp. - Seely's catchfly

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