Fernbush
Chamaebatiaria millefolium
Last reviewed: September 2026
Fernbush (Chamaebatiaria millefolium) is a perennial shrub native to AZ, CA, ID, NV and 2 more states. It blooms in June, July, August, and September. The flowers draw bees and butterflies. It reads as an intentional, HOA-friendly planting in the right spot.
Toxicity unknown
Fernbush (Chamaebatiaria millefolium) 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
36"–72" H × 36"–60" W
Bloom
Jun, Jul, Aug, Sep
Native to
AZ, CA, ID, NV and 2 more states
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 458 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
A rounded, aromatic shrub with fine, fern-like foliage and upright spikes of small white flowers through the summer. Prized in dry gardens for extreme drought tolerance and a naturally tidy, mounded form.
Growing Fernbush
Grow Fernbush in full sun and low water. Mature plants reach 36 to 72 inches tall and spread 36 to 60 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Fernbush is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: foundation planting, xeriscape borders, rock gardens.
Wildlife value
Blooms through the heat of summer when few other shrubs flower, providing a long-lasting nectar source for bees and butterflies in dry, high-desert habitats.
Common questions
- How much sun does Fernbush need?
- Fernbush grows best in full sun conditions.
- When does Fernbush bloom?
- Fernbush blooms in June, July, August, and September.
- Where is Fernbush native?
- Fernbush (Chamaebatiaria millefolium) is native to AZ, CA, ID, NV and 2 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Fernbush attract?
- Fernbush draws bees and butterflies.
- Is Fernbush HOA-friendly?
- Fernbush is generally an HOA-friendly choice in the right placement, with low maintenance.
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 Fernbush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.