North America Native Plant

Roundleaf Catchfly

Botanical name: Silene rotundifolia

USDA symbol: SIRO4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Roundleaf Catchfly: A Rare Native Gem Worth Discovering If you’re looking to add a touch of woodland magic to your garden while supporting native biodiversity, roundleaf catchfly (Silene rotundifolia) might just be the hidden treasure you’ve been searching for. This delicate perennial forb brings understated beauty to shaded corners and ...

Rare plant alert!

Region: Alabama

Status: S1S2: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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) ⚘

Roundleaf Catchfly: A Rare Native Gem Worth Discovering

If you’re looking to add a touch of woodland magic to your garden while supporting native biodiversity, roundleaf catchfly (Silene rotundifolia) might just be the hidden treasure you’ve been searching for. This delicate perennial forb brings understated beauty to shaded corners and plays an important role in our native ecosystems.

Meet the Roundleaf Catchfly

Roundleaf catchfly is a charming native perennial that calls the southeastern and south-central United States home. As its name suggests, this little beauty sports distinctive rounded leaves that set it apart from other members of the catchfly family. The plant produces delicate white flowers with deeply notched petals that seem to dance in the dappled light of woodland settings.

Where You’ll Find It Growing Wild

This native gem naturally occurs across seven states: Alabama, Georgia, Kentucky, Ohio, Tennessee, Virginia, and West Virginia. It’s particularly fond of the Appalachian region, where it thrives in the cool, moist conditions of deciduous forests.

A Word About Rarity

Here’s something important to know: roundleaf catchfly is considered rare in parts of its range, with Alabama listing it as S1S2 (rare to uncommon). This means if you’re thinking about adding this plant to your garden, it’s crucial to source it responsibly. Never collect plants from the wild, and always purchase from reputable native plant nurseries that propagate their stock rather than wild-harvesting.

Why Gardeners Love (and Should Grow) Roundleaf Catchfly

Despite its rarity—or perhaps because of it—roundleaf catchfly offers several compelling reasons to include it in your landscape:

  • Supports native biodiversity and helps preserve a rare species
  • Attracts small butterflies and moths with its nectar-rich flowers
  • Thrives in challenging shady spots where many plants struggle
  • Requires minimal maintenance once established
  • Adds delicate texture and seasonal interest to woodland gardens

Perfect Garden Spots for Roundleaf Catchfly

This woodland native shines in several garden settings:

  • Shade gardens: Perfect for those tricky spots under trees
  • Woodland gardens: Pairs beautifully with other native forest plants
  • Rock gardens: Its delicate form complements stone features
  • Native plant gardens: An excellent choice for purist native plantings

Growing Conditions That Make It Happy

Roundleaf catchfly isn’t particularly fussy, but it does have some preferences that mirror its natural woodland habitat:

  • Light: Partial to full shade (morning sun is okay)
  • Soil: Well-draining, woodland-type soil rich in organic matter
  • Moisture: Consistent moisture but not waterlogged conditions
  • Climate: Hardy in USDA zones 5-8

Planting and Care Tips

The good news is that once established, roundleaf catchfly is refreshingly low-maintenance. Here’s how to give it the best start:

  • Plant in spring or fall when temperatures are moderate
  • Amend heavy clay soil with compost to improve drainage
  • Water regularly the first year to help establish strong roots
  • Apply a light layer of leaf mulch to mimic forest floor conditions
  • Avoid over-fertilizing—this plant prefers lean, natural soil
  • Allow some leaf litter to accumulate around plants for natural fertilizer

Wildlife Benefits

While small in stature, roundleaf catchfly punches above its weight when it comes to supporting wildlife. The flowers attract various small butterflies and moths, contributing to the complex web of relationships that keep our ecosystems healthy. By growing this rare native, you’re essentially creating a tiny wildlife sanctuary in your own backyard.

The Bottom Line

Roundleaf catchfly may not be the showiest plant in your garden, but it brings something special that flashier non-natives can’t match: a genuine connection to your local ecosystem and a chance to help preserve a rare piece of our natural heritage. With its modest care requirements and important ecological role, it’s a wonderful choice for gardeners who want to make a difference while enjoying something truly unique.

Just remember: if you decide to grow this woodland treasure, source it responsibly and give it the shady, well-draining conditions it loves. Your local butterflies and moths will thank you!

Roundleaf 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 rotundifolia Nutt. - roundleaf catchfly

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