North America Native Plant

San Gabriel River Dudleya

Botanical name: Dudleya cymosa crebrifolia

USDA symbol: DUCYC2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

San Gabriel River Dudleya: A Rare Gem for California Native Gardens Meet the San Gabriel River dudleya (Dudleya cymosa crebrifolia), a charming succulent that’s as special as its name suggests. This perennial native plant brings a touch of California’s natural beauty right to your garden, but there’s more to this ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ 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 Gabriel River Dudleya: A Rare Gem for California Native Gardens

Meet the San Gabriel River dudleya (Dudleya cymosa crebrifolia), a charming succulent that’s as special as its name suggests. This perennial native plant brings a touch of California’s natural beauty right to your garden, but there’s more to this little gem than meets the eye.

What Makes This Plant Special?

The San Gabriel River dudleya is a true California native, belonging to the fascinating world of dudleyas – those gorgeous succulent rosettes that seem to pop up from rocky crevices like nature’s own little sculptures. As a forb (that’s botanist-speak for a herbaceous plant without woody stems), this perennial creates lovely clusters of thick, fleshy leaves arranged in perfect rosettes.

What really sets this plant apart is its rarity. With a conservation status of S5T1, the San Gabriel River dudleya is considered quite uncommon in the wild. This makes it a particularly precious addition to any native plant collection.

Where Does It Call Home?

This dudleya is exclusively Californian, naturally occurring in the Golden State’s diverse landscapes. As its common name suggests, it has strong ties to the San Gabriel River area, making it a true regional specialty.

Should You Grow It?

If you’re passionate about native plants and conservation, the San Gabriel River dudleya could be a wonderful addition to your garden – but with an important caveat. Due to its rarity status, it’s crucial to source this plant responsibly. Never collect from wild populations! Instead, seek out reputable native plant nurseries that propagate their stock ethically.

Here’s why you might fall in love with this plant:

  • Stunning succulent rosettes that add architectural interest
  • Extremely drought-tolerant once established
  • Supports local pollinators with its flowering display
  • Perfect for water-wise landscaping
  • Helps preserve California’s botanical heritage

Garden Design Ideas

The San Gabriel River dudleya shines in several garden settings:

  • Rock gardens: Its natural habitat among rocky outcrops makes it perfect for xeriscapes and rock features
  • Container gardens: Excellent drainage control makes containers ideal
  • Native plant gardens: Pairs beautifully with other California natives
  • Slope plantings: Great for erosion control on well-draining hillsides

Growing Your San Gabriel River Dudleya

Like most dudleyas, this plant has some specific needs, but once you get the hang of it, it’s quite rewarding to grow.

Light Requirements: Provide full sun to partial shade. Morning sun with afternoon protection works well in hotter inland areas.

Soil Needs: This is non-negotiable – excellent drainage is absolutely essential. Heavy, water-retentive soils are a death sentence for dudleyas. Think sandy, gravelly, or rocky soil that drains quickly.

Water Wisdom: Once established, this plant is remarkably drought-tolerant. Water sparingly, allowing soil to dry completely between waterings. Overwatering is the quickest way to lose your plant.

Climate Considerations: Best suited for USDA zones 9-11, typical for Southern California natives. Protect from hard freezes.

Planting and Care Tips

  • Plant in fall for best establishment before summer heat
  • Amend heavy soils with coarse sand, gravel, or pumice
  • Avoid overhead watering – water at soil level to prevent crown rot
  • Provide good air circulation around plants
  • Remove spent flower stalks unless you want to collect seeds
  • Minimal fertilization needed – native soil is usually sufficient

Supporting Wildlife

When your San Gabriel River dudleya blooms, it becomes a pollinator magnet. Bees and other beneficial insects are drawn to its flowers, making your garden a mini-ecosystem that supports local wildlife.

A Final Word on Conservation

Growing rare native plants like the San Gabriel River dudleya is both a privilege and a responsibility. By cultivating this species in our gardens, we’re helping to preserve California’s unique botanical heritage while creating beautiful, sustainable landscapes. Just remember – always source responsibly, and consider your garden a sanctuary for these special plants.

Whether you’re a seasoned native plant enthusiast or just beginning your California gardening journey, the San Gabriel River dudleya offers a unique opportunity to grow something truly special while supporting local ecosystems. With proper care and responsible sourcing, this rare gem can thrive in your garden for years to come.

San Gabriel River Dudleya

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Crassulaceae J. St.-Hil. - Stonecrop family

Genus

Dudleya Britton & Rose - dudleya

Species

Dudleya cymosa (Lem.) Britton & Rose - canyon liveforever

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