Argentinian biddy-biddy
Acaena pinnatifida
Last reviewed: August 2026
Light
full sun
Water
low
Size
2"–6" H × 12"–24" W
Bloom
May, Jun, Jul
Native to
CA
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 areaLow mat-forming groundcover with finely divided, fern-like leaves and small reddish, spiny bur fruits that cling to fur and clothing. Found on coastal bluffs and grassy slopes.
Wildlife value
Dense mat provides ground-level cover for small insects; inconspicuous flowers offer minor pollen resources.
Common questions
- How much sun does Argentinian biddy-biddy need?
- Argentinian biddy-biddy grows best in full sun conditions.
- When does Argentinian biddy-biddy bloom?
- Argentinian biddy-biddy blooms in May, June, and July.
- Where is Argentinian biddy-biddy native?
- Argentinian biddy-biddy (Acaena pinnatifida) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
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.
Ready to grow Argentinian biddy-biddy? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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