North America Native Plant

Wherry’s Catchfly

Botanical name: Silene caroliniana wherryi

USDA symbol: SICAW

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Silene caroliniana Walter var. wherryi (Small) Fernald (SICAW2)  âš˜  Silene wherryi Small (SIWH)   

Wherry’s Catchfly: A Rare Native Wildflower Worth Knowing If you’re a native plant enthusiast always on the lookout for something truly special, Wherry’s catchfly (Silene caroliniana wherryi) might just be the hidden gem you’ve been searching for. This rare native perennial wildflower represents one of nature’s more elusive beauties, though ...

Rare plant alert!

Region: Alabama

Status: S5T2T4Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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 varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘ 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) ⚘

Region: Alabama

Wherry’s Catchfly: A Rare Native Wildflower Worth Knowing

If you’re a native plant enthusiast always on the lookout for something truly special, Wherry’s catchfly (Silene caroliniana wherryi) might just be the hidden gem you’ve been searching for. This rare native perennial wildflower represents one of nature’s more elusive beauties, though finding it—or information about it—can be quite the adventure!

What Is Wherry’s Catchfly?

Wherry’s catchfly is a perennial forb, which simply means it’s a non-woody flowering plant that comes back year after year. As a member of the catchfly family, it’s related to other Silene species that are known for their delicate, often sticky flowers that can trap small insects (hence the catchfly name). You might also see it listed under its botanical synonyms Silene caroliniana Walter var. wherryi or Silene wherryi, depending on which reference you’re consulting.

Where Does It Call Home?

This native beauty has a rather limited natural range, growing wild in just six states: Alabama, Kentucky, Missouri, North Carolina, Ohio, and West Virginia. It’s what botanists call a regional endemic—a plant that evolved in and remains restricted to a specific geographic area.

A Word of Caution: Rarity Matters

Here’s where things get serious for a moment. Wherry’s catchfly is genuinely rare, with a conservation status that should make any responsible gardener pause and think. In Alabama, it carries an S2 ranking, which indicates it’s imperiled and vulnerable to extinction. If you’re fortunate enough to encounter this plant or have the opportunity to grow it, please ensure you’re working with ethically and responsibly sourced material—never collect from wild populations.

Why Consider Wherry’s Catchfly for Your Garden?

You might be wondering why you’d want to grow such an uncommon plant. Here are a few compelling reasons:

  • Conservation value: By growing rare natives like Wherry’s catchfly, you’re helping preserve genetic diversity and potentially providing habitat for specialized pollinators
  • Unique garden character: As a forb, it offers delicate texture and seasonal interest that differs from shrubs and trees
  • Regional authenticity: If you live within its native range, you’re supporting truly local biodiversity
  • Educational opportunity: Rare plants spark conversations and learning moments about conservation

Growing Wherry’s Catchfly: The Challenge

Here’s where we hit a bit of a roadblock—detailed growing information for this specific variety is remarkably scarce, likely due to its rarity and limited study. What we do know is that as a native perennial forb, it has presumably adapted to the specific conditions found in its native range across the southeastern and south-central United States.

Best Guesses for Success

While specific care instructions for Wherry’s catchfly are elusive, we can make educated assumptions based on its native habitat and related species:

  • Climate compatibility: Likely suited for USDA zones where it naturally occurs (approximately zones 5-8, based on its geographic range)
  • Soil preferences: Probably adapts to the varied soils found across its native states, but good drainage is typically important for catchflies
  • Garden placement: As a native forb, it would likely thrive in naturalized areas, native plant gardens, or wildflower meadows
  • Companions: Pair with other natives from similar regions for an authentic ecosystem approach

The Reality Check

Let’s be honest—Wherry’s catchfly isn’t going to be your typical garden center find. Its rarity means you’ll need to work with specialized native plant nurseries, conservation groups, or botanical gardens that maintain ethical propagation programs. This isn’t necessarily a plant for beginners or those looking for easy, instant gratification.

Is Wherry’s Catchfly Right for Your Garden?

Consider this special native if you:

  • Live within its native range and want to support local biodiversity
  • Have experience with native plants and don’t mind some uncertainty
  • Value conservation and rare plant preservation
  • Enjoy being part of citizen science and conservation efforts
  • Can source plants responsibly from reputable propagation programs

However, you might want to pass if you’re looking for well-documented care instructions, guaranteed availability, or a foolproof garden performer.

The Bottom Line

Wherry’s catchfly represents the fascinating world of rare native plants—species that remind us how much we still don’t know about our local flora. While it may not be the easiest plant to grow or find, it offers something increasingly valuable in our gardens: authenticity, rarity, and a connection to the unique natural heritage of its native states. Just remember to approach this botanical treasure with respect, patience, and a commitment to ethical gardening practices.

Wherry’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 caroliniana Walter - sticky catchfly

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