North America Native Plant

Orange Bush Monkeyflower

Botanical name: Diplacus aurantiacus aurantiacus

USDA symbol: DIAUA

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Diplacus glutinosus (J.C. Wendl.) Nutt. (DIGL5)  âš˜  Diplacus glutinosus (J.C. Wendl.) Nutt. var. aurantiacus (W. Curtis) Lindl. (DIGLA)  âš˜  Diplacus latifolius Nutt. (DILA16)  âš˜  Diplacus leptanthus Nutt. (DILE5)  âš˜  Mimulus aurantiacus W. Curtis (MIAU)  âš˜  Mimulus glutinosus J.C. Wendl. (MIGL7)  âš˜  Mimulus leptanthus (Nutt.) A.L. Grant (MILE4)  âš˜  Mimulus viscosus Moench (MIVI6)   

Orange Bush Monkeyflower: A Vibrant Native Shrub for Water-Wise Gardens If you’re looking for a show-stopping native plant that laughs in the face of drought while attracting hummingbirds to your garden, meet the orange bush monkeyflower (Diplacus aurantiacus aurantiacus). This cheerful California native might just become your new favorite shrub ...

Orange Bush Monkeyflower: A Vibrant Native Shrub for Water-Wise Gardens

If you’re looking for a show-stopping native plant that laughs in the face of drought while attracting hummingbirds to your garden, meet the orange bush monkeyflower (Diplacus aurantiacus aurantiacus). This cheerful California native might just become your new favorite shrub – and your water bill will thank you for it!

What Makes Orange Bush Monkeyflower Special?

The orange bush monkeyflower is a true West Coast original, native to California and Oregon. This perennial shrub brings year-round structure to your garden with its woody stems and sticky, aromatic foliage, but the real magic happens when it blooms. From spring through fall, it produces an abundance of bright orange to yellow tubular flowers that seem to glow in the sunlight.

You might also see this plant listed under several other scientific names in older gardening references – it’s had quite the taxonomic journey! Names like Mimulus aurantiacus and Diplacus glutinosus all refer to the same delightful plant.

Where Does It Call Home?

This native beauty naturally grows throughout California and into southern Oregon, thriving in chaparral and woodland communities. It’s perfectly adapted to the Mediterranean climate of the Pacific Coast, making it an excellent choice for gardeners in similar climates.

Garden Appeal and Design Uses

Orange bush monkeyflower typically grows 3-6 feet tall and wide, making it perfect for:

  • Mid-border plantings in native plant gardens
  • Slope stabilization (those roots are great at holding soil)
  • Mediterranean-style landscapes
  • Xeriscaping projects
  • Wildlife and pollinator gardens

The shrub’s somewhat informal growth habit gives gardens a natural, wild look that pairs beautifully with other California natives like ceanothus, manzanita, and salvias.

A Pollinator Magnet

Here’s where orange bush monkeyflower really shines – it’s like a hummingbird café! Those tubular orange flowers are perfectly designed for hummingbird beaks and tongues. You’ll also see bees and butterflies visiting regularly, making this shrub a cornerstone plant for wildlife-friendly gardens.

Growing Conditions and Care

One of the best things about orange bush monkeyflower is how easy-going it is once established. Here’s what it needs to thrive:

  • Sunlight: Full sun to partial shade (morning sun is especially appreciated)
  • Soil: Well-draining soil is essential – it can’t stand wet feet
  • Water: Drought tolerant once established, but appreciates occasional deep watering in summer
  • Climate: Hardy in USDA zones 8-10

Planting and Care Tips

Plant your orange bush monkeyflower in fall when possible – this gives it time to establish roots before the dry summer months. Here are some key care tips:

  • Water regularly the first year, then reduce to occasional deep watering
  • Avoid overhead watering on the foliage (those sticky leaves can hold moisture and promote fungal issues)
  • Prune lightly after the main blooming period to maintain shape
  • No fertilizer needed – this plant is adapted to lean soils
  • Mulch around the base to retain moisture and suppress weeds

Why Choose Orange Bush Monkeyflower?

This native shrub checks all the boxes for modern gardeners: it’s drought tolerant, supports local wildlife, blooms for months, and requires minimal maintenance once established. Plus, by choosing native plants, you’re supporting the local ecosystem and creating habitat for native wildlife.

Whether you’re creating a water-wise garden, attracting hummingbirds, or simply want a reliable blooming shrub that won’t need babying, orange bush monkeyflower is an excellent choice. It’s proof that native plants can be both beautiful and practical – a winning combination for any garden!

Orange 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 aurantiacus (W. Curtis) Jeps. - orange 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