North America Native Plant

Santa Lucia Mountain Bush Monkeyflower

Botanical name: Diplacus fasciculatus

USDA symbol: DIFA3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Diplacus grandiflorus Greene p.p., non (Lindl.) Groenl. (DIGR6)  âš˜  Mimulus bifidus Pennell ssp. fasciculatus (MIBIF)   

Santa Lucia Mountain Bush Monkeyflower: A Rare Gem for California Gardens If you’re looking to add a touch of California’s wild beauty to your garden while supporting local ecosystems, the Santa Lucia Mountain bush monkeyflower might just be the perfect choice. This charming native shrub brings vibrant color and attracts ...

Rare plant alert!

Region: Conservation status by state

Status: S2Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Santa Lucia Mountain Bush Monkeyflower: A Rare Gem for California Gardens

If you’re looking to add a touch of California’s wild beauty to your garden while supporting local ecosystems, the Santa Lucia Mountain bush monkeyflower might just be the perfect choice. This charming native shrub brings vibrant color and attracts pollinators, though its rarity makes it a special addition that requires thoughtful sourcing.

What Makes This Plant Special

The Santa Lucia Mountain bush monkeyflower (Diplacus fasciculatus) is a perennial shrub that’s as unique as its lengthy name suggests. This California native typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in height, though it often remains much smaller in garden settings. What really sets it apart are its tubular flowers that range from orange to red, creating a stunning display that hummingbirds absolutely adore.

Where It Calls Home

This special plant is endemic to California, specifically native to the Santa Lucia Mountains region. Its limited natural range makes it a true California treasure, evolved specifically for the unique conditions of this coastal mountain ecosystem.

Important Conservation Note

Here’s something every responsible gardener should know: the Santa Lucia Mountain bush monkeyflower has a conservation status of S2Q, indicating it’s quite rare in the wild. While this makes it even more special to grow, it also means you should only obtain plants or seeds from reputable native plant nurseries that source their material ethically. Never collect from wild populations!

Why Your Garden (and Local Wildlife) Will Love It

This isn’t just another pretty face in the garden. The Santa Lucia Mountain bush monkeyflower serves as a pollinator magnet, particularly attracting:

  • Hummingbirds, who love the tubular flower shape
  • Native bees and other beneficial insects
  • Butterflies seeking nectar sources

In landscape design, it works beautifully in native plant gardens, Mediterranean-style landscapes, and drought-tolerant designs. Its shrubby growth habit makes it excellent for creating structure and year-round interest.

Perfect Growing Conditions

Like many California natives, this monkeyflower appreciates conditions that mimic its mountain home:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is essential – soggy roots are a no-go
  • Water: Drought tolerant once established, but appreciates occasional deep watering
  • Climate: Thrives in USDA hardiness zones 8-10

Planting and Care Tips

Getting your Santa Lucia Mountain bush monkeyflower established is straightforward with these tips:

  • Plant in fall or early spring when temperatures are mild
  • Ensure excellent drainage – amend heavy clay soils with compost or plant on a slope
  • Water regularly the first year to establish roots, then reduce frequency
  • Light pruning after flowering can help maintain shape
  • Mulch around the base to conserve moisture and suppress weeds

Is This Plant Right for Your Garden?

The Santa Lucia Mountain bush monkeyflower is ideal if you’re creating a native California garden, want to support local pollinators, or simply love unique plants with a story. Its drought tolerance makes it perfect for water-wise landscapes, and its relatively compact size works well in smaller gardens.

However, remember that this plant’s rarity means it may be harder to find and potentially more expensive than common natives. If you can’t locate responsibly sourced plants, consider other native Diplacus species or California native shrubs that offer similar benefits.

By choosing to grow this remarkable native, you’re not just adding beauty to your garden – you’re participating in conservation efforts and supporting the unique biodiversity that makes California’s landscapes so special. Just remember: always source responsibly, and enjoy watching your garden come alive with the hummingbirds and bees this special monkeyflower will attract!

Santa Lucia Mountain Bush Monkeyflower

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Diplacus Nutt. - bush monkeyflower

Species

Diplacus fasciculatus (Pennell) McMinn - Santa Lucia Mountain bush monkeyflower

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