North America Native Plant

Grand Canyon Campion

Botanical name: Silene rectiramea

USDA symbol: SIRE5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Grand Canyon Campion: A Critically Rare Arizona Native Worth Protecting If you’ve stumbled across the name Grand Canyon Campion in your native plant research, you’ve discovered one of Arizona’s most precious botanical treasures. But before you start planning where to plant this rare beauty, there’s something important you need to ...

Rare plant alert!

Region: Conservation status by state

Status: S1: 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) ⚘

Grand Canyon Campion: A Critically Rare Arizona Native Worth Protecting

If you’ve stumbled across the name Grand Canyon Campion in your native plant research, you’ve discovered one of Arizona’s most precious botanical treasures. But before you start planning where to plant this rare beauty, there’s something important you need to know about Silene rectiramea.

What Makes Grand Canyon Campion Special

Grand Canyon Campion is a perennial forb native to Arizona – and only Arizona. This means it’s a non-woody flowering plant that lacks the thick, woody stems of shrubs and trees, but returns year after year with its perennating buds safely tucked at or below ground level.

As a member of the carnation family, this native wildflower represents a unique piece of Arizona’s natural heritage that exists nowhere else in the world.

Geographic Distribution: Arizona’s Exclusive

Grand Canyon Campion calls only Arizona home, making it what botanists call an endemic species. This limited distribution is part of what makes it so special – and so vulnerable.

A Critical Conservation Concern

Here’s where things get serious. Grand Canyon Campion carries a Global Conservation Status of S1, which translates to Critically Imperiled. This designation means the species faces extreme rarity with typically five or fewer occurrences and very few remaining individuals – we’re talking fewer than 1,000 plants in the wild.

This rarity status puts Grand Canyon Campion in a category where every single plant matters for the species’ survival.

Should You Plant Grand Canyon Campion?

While the desire to grow rare native plants is admirable, Grand Canyon Campion presents a unique ethical consideration. Given its critically imperiled status, this isn’t a plant for casual gardening. Here’s what you need to know:

  • Avoid wild collection: Never collect seeds or plants from wild populations – this could push the species closer to extinction
  • Limited availability: You’re unlikely to find this plant at nurseries due to its rarity
  • Conservation priority: Leave propagation efforts to botanical institutions and conservation organizations

Supporting Conservation Instead

Rather than attempting to grow Grand Canyon Campion, consider these ways to support its conservation:

  • Support Arizona botanical gardens and conservation organizations working to protect rare species
  • Choose other native Arizona wildflowers for your garden
  • Participate in citizen science projects that help monitor rare plant populations
  • Advocate for habitat protection in Arizona’s wild spaces

Alternative Arizona Natives for Your Garden

If you’re drawn to Arizona’s native campions and similar wildflowers, consider these more common alternatives that won’t strain wild populations:

  • Desert marigold (Baileya multiradiata)
  • Ghost plant (Graptopetalum paraguayense)
  • Arizona lupine (Lupinus arizonicus)
  • Fairy duster (Calliandra eriophylla)

The Bigger Picture

Grand Canyon Campion serves as a reminder that not every native plant belongs in our gardens – sometimes the most loving thing we can do is appreciate them from afar and support their protection in the wild. By choosing more common native alternatives, we can create beautiful, ecologically valuable gardens while leaving critically rare species like Grand Canyon Campion to recover in their natural habitats.

Remember, every garden planted with natives makes a difference for local ecosystems. Choose wisely, plant responsibly, and help preserve Arizona’s incredible botanical diversity for future generations.

Grand Canyon 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 rectiramea B.L. Rob. - Grand Canyon campion

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