North America Native Plant

Pennsylvania Catchfly

Botanical name: Silene caroliniana pensylvanica

USDA symbol: SICAP

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Silene caroliniana Walter var. pensylvanica (Michx.) Fernald (SICAP2)  âš˜  Silene pensylvanica Michx. (SIPE8)   

Pennsylvania Catchfly: A Delicate Native Gem for Your Garden Meet Pennsylvania catchfly (Silene caroliniana pensylvanica), a charming little native wildflower that’s been quietly gracing eastern American landscapes for centuries. This perennial forb might not be the showiest plant in your garden, but what it lacks in size, it more than ...

Rare plant alert!

Region: New Jersey

Status: Highlands Listed, S3: New Jersey Highlands region ⚘ 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 ⚘

Pennsylvania Catchfly: A Delicate Native Gem for Your Garden

Meet Pennsylvania catchfly (Silene caroliniana pensylvanica), a charming little native wildflower that’s been quietly gracing eastern American landscapes for centuries. This perennial forb might not be the showiest plant in your garden, but what it lacks in size, it more than makes up for in native appeal and ecological value.

What Makes Pennsylvania Catchfly Special?

Pennsylvania catchfly is a true native to the lower 48 states, belonging to a group of plants that have deep roots in North American ecosystems. As a perennial forb, it’s essentially an herbaceous plant that comes back year after year without any woody stems – think of it as nature’s version of a reliable garden friend that doesn’t take up much space.

You might also encounter this plant listed under its botanical synonyms, including Silene caroliniana Walter var. pensylvanica or Silene pensylvanica, but they’re all referring to the same delightful species.

Where Does It Call Home?

This native wildflower has quite an impressive range across the eastern United States. You can find Pennsylvania catchfly growing naturally in Connecticut, Delaware, District of Columbia, Kentucky, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, Tennessee, Virginia, and West Virginia.

A Word About Rarity

Here’s something important to know: Pennsylvania catchfly isn’t just another common wildflower. In New Jersey, it carries a rarity status of Highlands Listed, S3, which means it’s considered vulnerable and uncommon. If you’re thinking about adding this beauty to your garden, please make sure you source it responsibly from reputable native plant nurseries rather than collecting from the wild.

Garden Appeal and Design Uses

Pennsylvania catchfly brings a subtle, natural charm to gardens with its delicate spring flowers and low-growing habit. The small white to pink blooms feature the characteristic notched petals that give catchflies their distinctive look. While it won’t create a bold statement like some showier perennials, it’s perfect for gardeners who appreciate understated native beauty.

This plant shines in:

  • Rock gardens where its compact size fits perfectly
  • Native plant gardens as an authentic local species
  • Naturalized woodland edges
  • Areas where you want low-maintenance ground coverage

Growing Conditions and Care

The good news is that Pennsylvania catchfly isn’t particularly fussy once you understand its preferences. This hardy perennial thrives in USDA hardiness zones 4-8, making it suitable for most temperate gardens.

Key growing requirements include:

  • Well-drained, sandy or rocky soils (it really dislikes wet feet)
  • Partial shade to full sun exposure
  • Good air circulation
  • Minimal fertilization – it’s adapted to lean soils

Once established, Pennsylvania catchfly is remarkably drought tolerant, making it an excellent choice for low-water gardens or areas where you want to reduce maintenance.

Planting and Care Tips

Spring or fall are the best times to plant Pennsylvania catchfly. Here are some tips for success:

  • Ensure excellent drainage – amend heavy clay soils with coarse sand or gravel
  • Plant at the same depth it was growing in the pot
  • Water gently during establishment, then reduce watering frequency
  • Avoid heavy mulching, which can retain too much moisture
  • Allow plants to self-seed in appropriate areas

Supporting Pollinators

While small, Pennsylvania catchfly’s flowers provide nectar for various small butterflies, moths, and other tiny pollinators. Every native plant in your garden contributes to the local ecosystem, and this species plays its part in supporting biodiversity.

The Bottom Line

Pennsylvania catchfly might not be the most dramatic plant you’ll ever grow, but it’s a wonderful choice for gardeners who want to support native ecosystems while enjoying a charming, low-maintenance perennial. Just remember to source it responsibly due to its conservation status – your local native plant society or specialized native plant nurseries are your best bet for ethically grown plants.

Sometimes the most rewarding garden plants are the quiet ones that connect us to the natural heritage of our regions. Pennsylvania catchfly is definitely one of those special native gems worth discovering.

Pennsylvania 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