Native Plants

Coast Range Stonecrop

Sedum radiatum depauperatum

USDA symbol: SERAD

annual forb

Lower 48 states: native

Meet the Coast Range stonecrop (Sedum radiatum depauperatum), a charming little native succulent that’s perfectly suited for gardeners along the Pacific Coast who want to embrace their region’s natural heritage. This petite annual forb might not be the showiest plant in your garden, but it brings authentic local character and ...

Coast Range Stonecrop may be listed as rare in your area.
Global Conservation Status

Status: S5T3Q | 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.

Coast Range Stonecrop: A Rare Native Gem for Pacific Coast Gardens

Meet the Coast Range stonecrop (Sedum radiatum depauperatum), a charming little native succulent that’s perfectly suited for gardeners along the Pacific Coast who want to embrace their region’s natural heritage. This petite annual forb might not be the showiest plant in your garden, but it brings authentic local character and ecological value that’s hard to beat.

What Makes Coast Range Stonecrop Special?

As a true California and Oregon native, Coast Range stonecrop has evolved specifically for the unique conditions of the Pacific Coast ranges. Unlike many garden succulents that hail from far-off lands, this little beauty belongs right here in your local ecosystem. It’s classified as a forb – essentially a soft-stemmed plant without woody tissue – and completes its entire life cycle in just one growing season.

Where Does It Naturally Grow?

Coast Range stonecrop calls the coastal ranges of California and Oregon home, where it has adapted to the region’s distinctive climate patterns and soil conditions. You’ll find it naturally occurring in these mountainous areas, thriving in the specific microclimates that define the Pacific Coast’s inland ranges.

  • Species observed
  • No observations

A Word About Rarity

Important note for conscious gardeners: Coast Range stonecrop has a conservation status that suggests it may be uncommon in parts of its range. If you’re interested in growing this native beauty, please ensure you source seeds or plants from reputable native plant nurseries that collect responsibly and don’t impact wild populations. Never collect from the wild – let’s keep this special plant thriving in its natural habitat for future generations to enjoy.

Why Grow Coast Range Stonecrop?

Here’s why this little native might deserve a spot in your garden:

  • True regional native: Supports local ecosystems and provides authentic habitat
  • Low maintenance: As a succulent, it’s naturally drought-tolerant once established
  • Unique character: Adds genuine local flora to your landscape
  • Educational value: Great conversation starter about regional plant conservation
  • Compact size: Perfect for small spaces, rock gardens, or container growing

Where Does It Fit in Your Garden?

Coast Range stonecrop is ideal for gardeners who want to create authentic native plant displays, especially in:

  • Rock gardens and alpine plantings
  • Native plant demonstration gardens
  • Xerophytic (dry) landscape designs
  • Educational or conservation-focused gardens
  • Container gardens featuring regional natives

Growing Coast Range Stonecrop Successfully

While specific cultivation information for this particular stonecrop is limited, you can draw from general sedum growing wisdom combined with its native habitat preferences:

Ideal Growing Conditions:

  • Soil: Well-draining soil is absolutely essential – soggy conditions will spell doom for this succulent
  • Sunlight: Likely prefers full sun to partial shade, typical of most sedums
  • Water: Minimal watering once established; overwatering is more dangerous than drought
  • Climate: Best suited for Pacific Coast climates where it naturally occurs

Planting and Care Tips:

  • Plant in spring after the last frost risk has passed
  • Ensure excellent drainage – consider raised beds or containers if your soil retains moisture
  • Water sparingly and allow soil to dry between waterings
  • As an annual, expect to replant each year or allow it to self-seed if conditions are right
  • Avoid fertilizing – natives typically prefer lean soils

The Bottom Line

Coast Range stonecrop represents a wonderful opportunity to grow a truly local native plant that belongs in Pacific Coast gardens. While it may require some detective work to find responsible sources, growing this rare beauty connects you directly to your region’s natural heritage. Just remember to source ethically and appreciate the special nature of this uncommon native gem.

If you can’t locate Coast Range stonecrop from reputable sources, consider other native Pacific Coast succulents that can provide similar ecological benefits while you continue your search for this special regional treasure.

Sedum radiatum depauperatum 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. Sedum radiatum depauperatum is also known as:

Amerosedum radiatum Á. Löve & Löve ssp. depauperatum Á. Löve & Löve | USDA symbol: AMRAD

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: Sedum L. - stonecrop

Species: Sedum radiatum S. Watson - Coast Range stonecrop

Subspecies: Sedum radiatum S. Watson ssp. depauperatum R.T. Clausen - Coast Range stonecrop

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