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North America Native Plant

Stonecrop Gilia

Stonecrop Gilia: A Critically Rare Colorado Native Worth Protecting Meet stonecrop gilia (Aliciella sedifolia), one of Colorado’s most endangered native wildflowers. This tiny annual forb might not be the showstopper you’re thinking of adding to your garden border, but it represents something far more valuable: a critically imperiled piece of ...

Rare plant alert!

This plant is listed as rare and may be protected in certain regions. Its populations are limited, and removal from the wild could further endanger its survival. If you wish to enjoy this plant, consider sourcing from reputable nurseries that propagate responsibly or explore alternatives to help preserve natural populations.

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) ⚘

Stonecrop Gilia: A Critically Rare Colorado Native Worth Protecting

Meet stonecrop gilia (Aliciella sedifolia), one of Colorado’s most endangered native wildflowers. This tiny annual forb might not be the showstopper you’re thinking of adding to your garden border, but it represents something far more valuable: a critically imperiled piece of our natural heritage that desperately needs our protection.

What Makes This Plant Special

Stonecrop gilia belongs to the phlox family and was previously classified as Gilia sedifolia. As an annual forb, this herbaceous plant completes its entire life cycle in just one growing season, making each year crucial for its survival. Unlike woody plants that persist year after year, this delicate wildflower must successfully reproduce annually to maintain its precarious foothold in the wild.

Where You’ll Find It (If You’re Lucky)

This rare gem calls Colorado home, though finding it is like searching for a needle in a haystack. Stonecrop gilia has earned a Global Conservation Status of S1, meaning it’s critically imperiled with typically five or fewer known occurrences and very few remaining individuals—we’re talking fewer than 1,000 plants total.

The Hard Truth About Growing Stonecrop Gilia

Here’s where we need to have an honest conversation. While stonecrop gilia is undoubtedly a fascinating native plant, it’s not a species that home gardeners should attempt to grow. Its critically imperiled status means that:

  • Seeds and plants are not commercially available
  • Removing any material from wild populations could push the species toward extinction
  • Its specific growing requirements are not well understood
  • Conservation efforts require specialized knowledge and permits

How You Can Help Instead

Rather than trying to grow this rare beauty, here are meaningful ways to support stonecrop gilia and other imperiled Colorado natives:

  • Support local botanical gardens and native plant societies involved in conservation
  • Choose other Colorado native plants for your garden that provide similar ecological benefits
  • Participate in citizen science projects that help monitor rare plant populations
  • Advocate for habitat protection in areas where rare plants occur

Better Alternatives for Your Garden

If you’re drawn to Colorado’s native flora, consider these more common and garden-appropriate alternatives:

  • Rocky Mountain penstemon for similar native appeal
  • Colorado four o’clock for native forb characteristics
  • Wild bergamot for pollinator benefits
  • Blanketflower for annual color

The Conservation Message

Stonecrop gilia serves as a powerful reminder that not every native plant is suited for garden cultivation. Sometimes the most important thing we can do as gardeners is to leave rare species in their natural habitats and focus our efforts on growing more common natives that can provide similar ecological benefits without conservation concerns.

By choosing abundant native plants over rare ones, we can still create beautiful, wildlife-friendly gardens while ensuring that critically imperiled species like stonecrop gilia have the best chance of survival in the wild. After all, the most beautiful garden is one that contributes to conservation rather than threatening it.

Stonecrop Gilia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Aliciella Brand - aliciella

Species

Aliciella sedifolia (Brandegee) J.M. Porter - stonecrop gilia

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