The Story
Plant Bio
Diplacus aurantiacus (syn. Mimulus aurantiacus) is a woody perennial or subshrub native to California, known for its glossy green leaves and vibrant, trumpet-shaped flowers.
This species is exceptionally drought-tolerant, thriving in dry, rocky soils and is a magnet for hummingbirds. Its leaves are often sticky to the touch.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Shrub
Height
36 inches
Width
48 inches
Light
Full Sun, Partial Sun
Zones
8, 9, 10
Water
Low
Humidity
Low
Lifespan
Perennial
Native To
California, Oregon
Toxicity
Non-toxic to humans and pets
Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Mist cuttings regularly to keep humidity high during rooting.
- Plant in well-draining soil enriched with organic matter.
- Water consistently, especially during dry spells in summer.
- Fertilize monthly with a balanced, water-soluble fertilizer.
- Prune lightly after flowering to maintain shape and encourage growth.
Pro Tip
Use a shaded area for cuttings to prevent wilting and encourage root development.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Apply balanced fertilizer monthly during active growth
- Prune to shape and remove dead or damaged branches
Don't
- Avoid overwatering to prevent root rot ❌
- Do not expose to harsh direct sunlight during the hottest part of the day
- Refrain from heavy fertilization in late fall
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pinch | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Bush Monkey Flower questions
What zones can Bush Monkey Flower grow in?
Bush Monkey Flower is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Bush Monkey Flower deer resistant?
Not reliably. Deer may browse Bush Monkey Flower, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Bush Monkey Flower bloom?
Bush Monkey Flower typically blooms in spring to summer through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Bush Monkey Flower need full sun?
Bush Monkey Flower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Bush Monkey Flower drought tolerant?
Yes — once established (usually after the first full season), Bush Monkey Flower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Mimulus to compare

Barton's Monkeyflower
Mimulus x lewisii-cardinalis

California Sunrise Seep Monkeyflower
Mimulus guttatus 'California Sunrise'

Seep Monkeyflower
Mimulus guttatus

Pamela Monkey Flower
Mimulus guttatus 'Pamela'

Roundleaf Monkeyflower
Mimulus aurantiacus 'Jelly Bean Fiesta Marigold'

Allegheny Monkey Flower
Mimulus ringens
Keep exploring
Explore the genus
Hardy in your zone?
Grow Bush Monkey Flower with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
