North America Native Plant

Lompoc Mesa Bush Monkeyflower

Botanical name: Diplacus lompocensis

USDA symbol: DILO5

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Mimulus aurantiacus W. Curtis ssp. lompocensis (McMinn) Munz (MIAUL)   

Lompoc Mesa Bush Monkeyflower: A Rare California Native Worth Protecting Meet the Lompoc Mesa bush monkeyflower (Diplacus lompocensis), a charming California native that’s as rare as it is beautiful. This little-known perennial shrub might just be the perfect addition to your native garden – if you can find it responsibly ...

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) ⚘

Lompoc Mesa Bush Monkeyflower: A Rare California Native Worth Protecting

Meet the Lompoc Mesa bush monkeyflower (Diplacus lompocensis), a charming California native that’s as rare as it is beautiful. This little-known perennial shrub might just be the perfect addition to your native garden – if you can find it responsibly sourced, that is.

A True California Native

The Lompoc Mesa bush monkeyflower is a proud California endemic, meaning it grows naturally nowhere else on Earth. This special plant calls only California home, specifically thriving in the unique mesa habitats around the Lompoc area. Talk about being a true local!

What Makes This Plant Special

Don’t let its humble name fool you – this perennial shrub brings plenty to the garden table. As a member of the monkeyflower family, it produces gorgeous orange to salmon-colored tubular flowers that are absolute magnets for hummingbirds and native pollinators. The blooms have that classic monkeyflower charm that gardeners and wildlife alike can’t resist.

Growing as a multi-stemmed woody shrub, it typically stays under 13-16 feet in height, making it a manageable size for most garden settings. Its several stems arise from near the ground, creating a naturally attractive, bushy form.

A Word of Caution: This Plant Needs Our Help

Here’s where things get serious – the Lompoc Mesa bush monkeyflower has a conservation status that suggests it may be rare or imperiled in the wild. If you’re considering adding this beauty to your garden, it’s absolutely crucial that you source it responsibly. This means:

  • Only purchase from reputable native plant nurseries
  • Ensure the plants were propagated, not collected from wild populations
  • Never collect seeds or cuttings from wild plants
  • Consider supporting conservation efforts for this species

Perfect Garden Roles

When grown responsibly, this monkeyflower shines in several garden settings:

  • California native plant gardens
  • Drought-tolerant landscapes
  • Wildlife and pollinator gardens
  • Mediterranean-style gardens

Its natural drought tolerance makes it an excellent choice for water-wise gardening, while its pollinator appeal ensures your garden will be buzzing with activity.

Growing Conditions and Care

Like many California natives, the Lompoc Mesa bush monkeyflower appreciates well-draining soil and can handle full sun to partial shade. Once established, it’s quite drought-tolerant – a trait that makes it perfect for sustainable gardening practices.

This plant thrives in USDA hardiness zones 9-10, matching California’s Mediterranean climate perfectly. The key to success is avoiding overwatering, especially during summer months when the plant naturally goes semi-dormant.

Care Tips for Success

  • Plant in well-draining soil to prevent root rot
  • Water regularly during the first year to establish roots
  • Reduce watering significantly once established
  • Light pruning after flowering can help maintain shape
  • Avoid fertilizing – California natives prefer lean soils

The Bottom Line

The Lompoc Mesa bush monkeyflower represents everything wonderful about California native plants – beauty, drought tolerance, and incredible value to local wildlife. However, its potentially rare status means we must be thoughtful gardeners. If you can source this plant responsibly, you’ll be adding a truly special piece of California’s natural heritage to your garden while supporting conservation efforts.

Remember, every responsibly grown native plant in our gardens is a small victory for biodiversity and a step toward creating habitat corridors that benefit our local ecosystems. Your Lompoc Mesa bush monkeyflower won’t just be a pretty addition to your landscape – it’ll be a conservation success story blooming right in your backyard.

Lompoc Mesa 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 lompocensis McMinn - Lompoc Mesa 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