Native Plants

Leedy’s Stonecrop

Rhodiola integrifolia leedyi

USDA symbol: RHINL

perennial forb

Lower 48 states: native

If you’ve stumbled across the name Leedy’s stonecrop (Rhodiola integrifolia leedyi) in your plant research, you’ve discovered one of North America’s botanical rarities. This isn’t your typical let’s add it to the garden cart kind of plant – it’s a conservation story that every native plant enthusiast should know about. ...

Leedy’s Stonecrop may be listed as rare in your area.
Global Conservation Status

Status: S5T1 | Secure: At low or no risk of extinction in the area due to an extensive range, abundant populations, and with little to no concern of declines or threats.

United States

Status: Threatened | Threatened. Experiencing significant population decline or habitat loss that could lead to its endangerment if not addressed.

Leedy’s Stonecrop: A Rare Native Treasure That Needs Our Protection

If you’ve stumbled across the name Leedy’s stonecrop (Rhodiola integrifolia leedyi) in your plant research, you’ve discovered one of North America’s botanical rarities. This isn’t your typical let’s add it to the garden cart kind of plant – it’s a conservation story that every native plant enthusiast should know about.

What Makes Leedy’s Stonecrop Special?

Leedy’s stonecrop is a perennial forb, which simply means it’s a soft-stemmed plant that comes back year after year without developing woody tissue like trees and shrubs. As a member of the Rhodiola family, it’s related to some fascinating succulent-like plants, though this particular variety has its own unique characteristics.

This plant carries quite a few scientific aliases from its taxonomic journey, including several Sedum classifications, but today we know it as Rhodiola integrifolia leedyi – a name that honors both its botanical relationships and its discoverers.

Where Does It Call Home?

Here’s where things get really interesting (and concerning). Leedy’s stonecrop is native to the lower 48 states, but its current range is incredibly limited. You’ll only find this rare beauty in two states: Minnesota and New York. That tiny geographic footprint is already telling us this plant needs our attention.

  • Species observed
  • No observations

The Conservation Reality Check

Let’s talk about the elephant in the room – or rather, the absence of elephants in the room. Leedy’s stonecrop carries a Threatened status in the United States, which means this plant is walking a tightrope toward potential extinction. With a global conservation ranking that reflects its precarious position, this isn’t a plant you’ll find at your local nursery.

Important: If you’re excited about growing native plants and supporting biodiversity, that enthusiasm is wonderful! However, Leedy’s stonecrop requires a completely different approach than typical native gardening.

Should You Grow Leedy’s Stonecrop?

Here’s the honest answer: probably not, unless you’re involved in legitimate conservation efforts. This plant’s threatened status means that:

  • Wild populations need protection, not harvesting
  • Seeds and plants should only come from verified conservation programs
  • Growing it requires specialized knowledge about its specific needs
  • Your garden energy might be better invested in other native species

What We Don’t Know (And Why That Matters)

One of the challenges with rare plants like Leedy’s stonecrop is that much of their biology remains a mystery. We don’t have detailed information about their preferred growing conditions, pollinator relationships, or specific care requirements. This knowledge gap exists precisely because the plants are so uncommon that researchers have limited opportunities to study them.

Better Alternatives for Your Native Garden

Instead of seeking out this rare treasure, consider supporting conservation by growing other native Rhodiola or Sedum species that are more readily available and better understood. These alternatives can provide similar ecological benefits without putting pressure on threatened populations.

How You Can Help

Want to support Leedy’s stonecrop and plants like it? Here are meaningful ways to contribute:

  • Support organizations working on native plant conservation
  • Choose abundant native species for your garden projects
  • Learn about and protect natural habitats in your area
  • Spread awareness about the importance of plant conservation

The Bigger Picture

Leedy’s stonecrop represents something bigger than just one rare plant – it’s a reminder that North America’s native flora includes species hanging on by threads in tiny pockets of remaining habitat. Every threatened plant species tells a story about habitat loss, climate change, and the importance of conservation.

While you might not have Leedy’s stonecrop gracing your garden beds, knowing about it makes you part of a community that values and protects our botanical heritage. And that’s pretty special in itself.

Sometimes the best way to love a plant is to let it be wild and work to ensure it stays that way for future generations to discover and protect.

Rhodiola integrifolia leedyi is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Rhodiola integrifolia leedyi is also known as:

Sedum integrifolium Nelson ssp. leedyi | USDA symbol: SEINL
Sedum rosea var. leedyi & | USDA symbol: SEROL
Sedum roseum var. leedyi & Moore, orth. var. | USDA symbol: SEROL2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Rosales
Family: Crassulaceae J. St.-Hil. - Stonecrop family
Genus: Rhodiola L. - stonecrop

Species: Rhodiola integrifolia Raf. - ledge stonecrop

Subspecies: Rhodiola integrifolia Raf. ssp. leedyi (Rosend. & J.W. Moore) Kartesz - Leedy's stonecrop

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