European Bur-reed
Sparganium emersum
Last reviewed: July 2026
Light
part shade
Water
high
Size
12"–48" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
AZ, CA, CO, CT and 29 more states
Browse plants for this ecoregion
European bur-reed is an aquatic perennial that grows in shallow water or consistently wet soil. It produces narrow, grass-like leaves and distinctive spiky seed heads during summer blooms. This plant requires constant moisture and is best suited for water gardens or bog areas.
In an HOA neighborhood
European Bur-reed takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires specialized water garden conditions
- Looks unkempt without consistent wetland management
- Non-native species may be viewed unfavorably
Wildlife value
Provides habitat for waterfowl and aquatic insects. Seeds are eaten by ducks and other water birds.
Common questions
- How much sun does European Bur-reed need?
- European Bur-reed grows best in part shade conditions.
- When does European Bur-reed bloom?
- European Bur-reed blooms in June, July, and August.
- Where is European Bur-reed native?
- European Bur-reed (Sparganium emersum) is native to AZ, CA, CO, CT and 29 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is European Bur-reed HOA-friendly?
- European Bur-reed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow European Bur-reed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz