Menzies' goldenbush
Isocoma menziesii
Last reviewed: October 2026
Menzies' goldenbush (Isocoma menziesii) is a perennial shrub native to CA. It blooms in August, September, October, and November. The flowers draw bees and butterflies.
Toxicity unknown
Menzies' goldenbush (Isocoma menziesii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
24"–48" H × 24"–48" W
Bloom
Aug, Sep, Oct, Nov
Native to
CA
Pollinators
bees, butterflies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 460 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaPicture natives in your own yard
Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Menzies' goldenbush.
Browse plants for this ecoregion
A rounded, resinous shrub with narrow leaves and abundant clusters of small bright yellow flowers in late summer and fall, tolerant of coastal salt and disturbed soils.
Growing Menzies' goldenbush
Grow Menzies' goldenbush in full sun and low water. Mature plants reach 24 to 48 inches tall and spread 24 to 48 inches wide.
Wildlife value
An important late-season and fall nectar source for native bees and migrating butterflies including monarchs.
Common questions
- How much sun does Menzies' goldenbush need?
- Menzies' goldenbush grows best in full sun conditions.
- When does Menzies' goldenbush bloom?
- Menzies' goldenbush blooms in August, September, October, and November.
- Where is Menzies' goldenbush native?
- Menzies' goldenbush (Isocoma menziesii) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Menzies' goldenbush attract?
- Menzies' goldenbush draws bees and butterflies.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Menzies' goldenbush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.