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Sparganium eurycarpum

More About Sparganium eurycarpum

  • AKA Sparganium californicum
  • An emergent aquatic
  • Unique flowers and seedheads
  • Lime-green burr-like or mace-like balls become white flowers
  • Spiked green seed heads become brown with age
  • Bloom Time: June to August

Interesting Notes:

Native to Ontario




90-125 cm


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Giant Bur-Reed Growing and Maintenance Tips

Often found growing with cattails and amongst bulrushes, this plant provides food and habitat for wildlife. It grows in shallow water or flooded soils in full sun to partial shade. 

Sparganium eurycarpum Characteristics

Full Sun
Full Sun
Partial Sun/Shade
Partial Sun/Shade
Native to Ontario
Native to Ontario
Bog or water garden
Bog or water garden

Soil Moisture

Aquatic (submerged)

Flowering Time


Foliage Color


Landscape uses


 Suitable Substitutions for Sparganium eurycarpum

Get more info on Typha angustifolia

Typha angustifolia

Narrowleaf Cattail

Get more info on Typha latifolia

Typha latifolia

Broadleaf Cattail