Beachbur
Ambrosia chamissonis
Last reviewed: August 2026
Light
full sun
Water
low
Size
6"–12" H × 36"–60" W
Bloom
May, Jun, Jul, Aug, Sep, Oct
Native to
CA, OR, WA
Pollinators
wind
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 431 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaA sprawling, silvery-leaved perennial that forms loose mats across coastal sand, with coarse foliage and inconspicuous wind-pollinated flower spikes. Its informal, dune-hugging habit is functional rather than ornamental.
Wildlife value
Its deep, sand-stabilizing roots and low mat form provide cover for dune-dwelling insects and small animals.
Common questions
- How much sun does Beachbur need?
- Beachbur grows best in full sun conditions.
- When does Beachbur bloom?
- Beachbur blooms in May, June, July, August, September, and October.
- Where is Beachbur native?
- Beachbur (Ambrosia chamissonis) is native to CA, OR, WA, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Beachbur attract?
- Beachbur draws wind.
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.
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