North America Native Plant

San Francisco Campion

Botanical name: Silene verecunda platyota var. eglandulosa

USDA symbol: SIVEE

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

San Francisco Campion: A California Native Worth Knowing If you’re looking to add authentic California character to your garden, the San Francisco campion (Silene verecunda platyota var. eglandulosa) might just be the native wildflower you didn’t know you needed. This charming perennial forb represents the kind of botanical treasure that ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ Subspecies or variety is 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. ⚘ 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. ⚘

San Francisco Campion: A California Native Worth Knowing

If you’re looking to add authentic California character to your garden, the San Francisco campion (Silene verecunda platyota var. eglandulosa) might just be the native wildflower you didn’t know you needed. This charming perennial forb represents the kind of botanical treasure that makes California’s flora so special – a plant perfectly adapted to local conditions and ready to bring natural beauty to your landscape.

What Makes San Francisco Campion Special?

San Francisco campion is a true California native, belonging to the carnation family and specifically adapted to our state’s unique climate and growing conditions. As a perennial forb, this plant lacks the woody stems of shrubs and trees, instead producing soft, herbaceous growth that dies back and regenerates from its root system year after year.

Unlike many garden plants that struggle in California’s Mediterranean climate, San Francisco campion has evolved here over thousands of years. This means it’s naturally equipped to handle our dry summers, winter rains, and variable growing conditions that can challenge non-native species.

Where You’ll Find This Native Gem

San Francisco campion calls California home, and only California. This endemic species represents the kind of unique biodiversity that makes our state’s plant communities so remarkable. When you plant this species, you’re literally growing a piece of California’s natural heritage in your own backyard.

Why Consider San Francisco Campion for Your Garden?

There are several compelling reasons to welcome this native into your landscape:

  • Water-wise choice: As a California native, it’s naturally adapted to our rainfall patterns and requires minimal supplemental watering once established
  • Supports local ecosystems: Native plants provide food and habitat for native wildlife, including beneficial insects and birds
  • Low maintenance: Plants evolved for local conditions typically require less fussing than exotic species
  • Authentic California character: Add genuine regional flavor to your garden design

Important Conservation Considerations

Before you rush to plant San Francisco campion, there’s something important to know. This variety has a conservation status that suggests it may have limited populations or face certain pressures in the wild. If you’re interested in growing this plant, it’s crucial to source it responsibly from reputable native plant nurseries that propagate from ethically collected seeds rather than wild-harvesting.

Never collect plants or seeds from wild populations – this can harm already vulnerable species and their ecosystems.

Growing San Francisco Campion Successfully

While specific growing information for this particular variety is limited, we can draw from general knowledge about California native campions and similar species:

Ideal Growing Conditions

  • Sunlight: Most campions prefer full sun to partial shade
  • Soil: Well-draining soils are essential; many natives struggle in heavy, waterlogged conditions
  • Water: Deep, infrequent watering during establishment, then minimal irrigation
  • Climate: Adapted to California’s Mediterranean climate zones

Planting and Care Tips

  • Plant in fall or early spring for best establishment
  • Mulch around plants to retain moisture and suppress weeds
  • Avoid overwatering, especially during summer months
  • Allow plants to go dormant naturally during dry periods

Where San Francisco Campion Fits in Your Garden

This native forb works well in:

  • Native plant gardens and naturalized landscapes
  • Wildlife-friendly plantings
  • Water-wise garden designs
  • Mixed perennial borders with other California natives

The Bottom Line

San Francisco campion offers gardeners a chance to grow something truly special – a plant that exists nowhere else in the world except California. While it may require some detective work to source responsibly, the reward is a garden that connects you to the unique natural heritage of our state.

If you can’t locate this specific variety, consider exploring other native Silene species or California native wildflowers that offer similar benefits and are more readily available. The goal is supporting native plant communities while creating beautiful, sustainable landscapes that celebrate our region’s incredible botanical diversity.

Remember: when it comes to rare native plants, the best approach is always to grow them responsibly, source them ethically, and appreciate them as the natural treasures they truly are.

San Francisco Campion

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 verecunda S. Watson - San Francisco campion

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