North America Native Plant

Cuyamaca Raspberry

Botanical name: Rubus glaucifolius var. ganderi

USDA symbol: RUGLG

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Rubus ganderi L.H. Bailey (RUGA)  âš˜  Rubus glaucifolius Kellogg ssp. ganderi (L.H. Bailey) R.M. Beauch. (RUGLG3)   

Cuyamaca Raspberry: A Rare Gem for California Native Plant Enthusiasts Meet the Cuyamaca raspberry (Rubus glaucifolius var. ganderi), a charming little native that’s as rare as it is delightful. This petite perennial shrub might just be the perfect addition to your California native garden – if you can find it ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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. ⚘

Cuyamaca Raspberry: A Rare Gem for California Native Plant Enthusiasts

Meet the Cuyamaca raspberry (Rubus glaucifolius var. ganderi), a charming little native that’s as rare as it is delightful. This petite perennial shrub might just be the perfect addition to your California native garden – if you can find it responsibly sourced, that is.

What Makes the Cuyamaca Raspberry Special?

This isn’t your typical backyard raspberry bush. The Cuyamaca raspberry is a low-growing shrub that stays pleasantly compact, rarely exceeding 1.5 feet tall and never growing taller than 3 feet. Think of it as the bonsai version of its more boisterous raspberry cousins – all the charm in a tidy package.

You might also see this plant listed under its scientific synonyms: Rubus ganderi or Rubus glaucifolius ssp. ganderi. But whatever you call it, this little beauty is 100% Californian through and through.

Where Does It Call Home?

The Cuyamaca raspberry is a true California endemic, found exclusively in San Diego County’s Cuyamaca Mountains region. This makes it about as local as a plant can get – it’s literally found nowhere else on Earth.

A Word of Caution: Rarity Matters

Here’s where things get serious for a moment. The Cuyamaca raspberry carries a Global Conservation Status of S5T1Q, which indicates it’s critically imperiled. This means that while we absolutely encourage growing native plants, this particular beauty requires extra consideration.

If you’re thinking about adding this rare raspberry to your garden, please ensure you source it from reputable native plant nurseries that propagate their stock responsibly. Wild collection is absolutely off-limits for this vulnerable species.

Garden Appeal and Landscape Role

Despite its diminutive stature, the Cuyamaca raspberry packs plenty of garden appeal:

  • Delicate white to pale pink flowers appear in spring, adding subtle beauty to the landscape
  • Small red aggregate berries follow in summer (yes, they’re edible, though quite tart!)
  • Compound leaves with serrated edges provide nice texture year-round
  • Low-growing habit makes it perfect for groundcover applications

This raspberry works beautifully in native plant gardens, chaparral-themed landscapes, and rock gardens. Its natural spreading habit makes it excellent for erosion control on gentle slopes, and it plays well with other Southern California natives.

Growing Conditions and Care

The good news? Once established, the Cuyamaca raspberry is relatively low-maintenance. Here’s what it prefers:

  • Sunlight: Partial shade to full sun
  • Soil: Well-draining soils (it won’t tolerate soggy conditions)
  • Water: Drought-tolerant once established, but appreciates occasional deep watering
  • Climate: Thrives in USDA hardiness zones 8-10

Planting and Care Tips

For the best success with your Cuyamaca raspberry:

  • Plant in fall when temperatures are cooling but soil is still warm
  • Water regularly during the first growing season to help establish roots
  • Mulch around the base to retain moisture and suppress weeds
  • Minimal pruning needed – just remove any dead or damaged canes
  • Be patient – like many natives, it may take time to settle in

Wildlife and Pollinator Benefits

Your garden’s tiny residents will thank you for planting Cuyamaca raspberry. The spring flowers attract native bees and other small pollinators, while the summer berries provide food for birds and small mammals. It’s like setting up a mini wildlife buffet right in your backyard.

The Bottom Line

The Cuyamaca raspberry offers California gardeners a chance to grow something truly special – a plant that exists nowhere else on Earth. Its compact size, subtle beauty, and wildlife value make it a worthy addition to native plant gardens.

Just remember: with great rarity comes great responsibility. If you decide to grow this treasure, source it ethically and treat it with the respect this endangered beauty deserves. Your garden will be home to a living piece of California’s unique natural heritage.

Cuyamaca Raspberry

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

Rosaceae Juss. - Rose family

Genus

Rubus L. - blackberry

Species

Rubus glaucifolius Kellogg - San Diego raspberry

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