American Bur-reed seeds can be sown in autumn or spring after double cold stratification. This treatment improves germination and reproduces the natural conditions of wetland habitats.
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Native plant
Typhaceae
Native aquatic plants for shorelines and ponds
American Bur-reed (Sparganium americanum)
Sparganium americanum
Native aquatic plant with graceful foliage for ponds, rain gardens, and shorelines.
Quantity
Minimum 100 seeds
Exposure
Full sun to partial shade
Hardiness
3 to 8
Difficulty level
Low
Discover the plant
Family
Typhaceae
Genus
Sparganium
Species
americanum
Type
Native plant
Cycle
Perennial
American Bur-reed (Sparganium americanum) is an elegant native aquatic plant with green linear foliage, a graceful habit, and distinctive spherical flower structures. This wetland perennial adds texture and movement to water gardens, natural ponds, and shoreline plantings. Its subtle flowers and decorative fruits provide botanical interest throughout summer. Extremely hardy in Quebec, it helps create natural aquatic landscapes while playing an important role in maintaining healthy wetland ecosystems.
American Bur-reed (Sparganium americanum) prefers organic-rich soils that remain moist to saturated, with full sun to partial shade exposure. Across Quebec and Canada, it performs especially well in rain gardens, ponds, and shoreline habitats. Its dense root system helps stabilize banks and reduce erosion. Minimal maintenance is required when consistent moisture is available. Its hardiness allows it to return reliably year after year in suitable aquatic environments.
American Bur-reed (Sparganium americanum) is used in ecological landscapes, aquatic gardens, and wetland restoration projects. It provides shelter for organisms associated with aquatic environments and contributes to natural water filtration. Its seeds support plant regeneration while its foliage adds structure to wetland habitats. Combined with blue flag iris, sedges, rushes, and cardinal flower, it creates sustainable landscapes that support biodiversity and healthy aquatic ecosystems.
Planting guide
From planting to establishment.
Planting depth
1 to 2 mm
Spacing / density
30 to 45 cm (12 to 18 in)
Establishment temperature
18 to 22 °C (64 to 72 °F)
Establishment time
20 to 30 days after cold stratification
Best planting time
Autumn or spring
Propagation
Seeds after stratification or division of rhizomes.
Growing method
Sow seeds in autumn or spring after a period of double cold stratification to break dormancy. Plant the seeds 1 to 2 mm deep in a growing medium that remains consistently moist or slightly submerged. Maintain temperatures between 18 and 22°C (64 to 72°F), with germination typically occurring within 20 to 30 days. Young plants thrive in full sun to partial shade and require abundant moisture throughout establishment. Once mature, they tolerate saturated soils and shallow standing water, making them ideal for rain gardens, pond edges, and riparian landscapes.
Soil and care
The right conditions.
Exposure
Full sun to partial shade
Soil pH
Acidic to neutral
Hardiness zone
3 to 8
Minimum temperature
-40 °C (-40 °F)
Watering
Constant, moist soil or shallow water
Soil type
Moist to saturated loamy to clay soil
Fertilization
Compost in spring
Seasonal care
Remove dead stems in spring and maintain adequate moisture throughout the season.
Container growing
A controlled environment.
Recommended pot size
25 to 40 L (7 to 10 gal)
American Bur-reed can be grown successfully in a large watertight or semi-aquatic container that keeps the growing medium consistently moist. It is especially well suited to water gardens, natural ponds, and containers placed in shallow standing water. Use an organic-rich soil that retains moisture without drying out. This makes it easy to incorporate a native aquatic plant into patios or smaller landscapes while supporting biodiversity.
Bloom and dimensions
The complete profile.
Flower color
Yellowish green
Foliage color
Green
Foliage type
Deciduous
Growth rate
Moderate
Bloom period
Summer
Fruiting
Spherical seed structures in late summer
Maximum height
100 cm
Maximum width
60 cm
Harvest
August to September
Garden associations
What to plant with it.
Good companions
Blue flag iris, sedges, rushes, cardinal flower
Avoid planting with
Lavender, santolina, blanket flower, sedum
Water garden, natural pond, shoreline, ecological restoration
From the garden to inspiration.
American Bur-reed is not grown for culinary purposes. Its greatest value lies in its ability to improve water quality and support healthy aquatic ecosystems. It plays an important role in filtering runoff, stabilizing shorelines, and providing habitat for wetland wildlife. Its elegant foliage and distinctive seed heads also add strong ornamental interest to ponds and aquatic gardens.
Frequently asked questions
Everything toknow.
American Bur-reed naturally filters water and stabilizes shorelines through its dense root system. It also creates valuable habitat for aquatic wildlife.
Yes. This species is perfectly suited to natural ponds, water gardens, and shallow water where it thrives in saturated soils.
Yes. American Bur-reed provides habitat for many aquatic insects and other wetland organisms, while its flowers also attract a variety of pollinators.
Once established in an appropriate wet environment, American Bur-reed requires very little maintenance. It returns reliably each year and gradually forms attractive natural colonies.
Its strengths, naturally.
Safe for pets
Pets
Attracts or supports pollinating insects
Pollinators
Plants that attract butterflies
Butterflies
Less attractive or generally tolerated by deer
Deer
