American Ribbon Manufacturer

Common name American Bur-reed
Latin name Sparganium americanum
Quantity per packet Minimum 100 seeds

This native aquatic plant improves water quality while supporting rich biodiversity in wetlands. Its extensive root system also helps stabilize shorelines and reduce erosion.

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Product information
Product
identification
Common nameAmerican Bur-reed
Latin nameSparganium americanum
FamilyTyphaceae
TypeNative aquatic plant
CyclePerennial
Quantity per packMinimum 100 seeds
Code produitAKENE-0047
Product
description

American Bur-reed (Sparganium americanum) is an elegant native aquatic plant that plays an essential role in healthy wetland ecosystems. With its graceful linear foliage and natural habit, it adds texture and movement to water gardens, riparian plantings, and natural ponds. Well adapted to Canadian climates, this hardy perennial thrives in consistently wet or shallowly submerged soils, where it helps stabilize shorelines and naturally filter water. Its subtle appearance blends beautifully into plantings inspired by native aquatic ecosystems.

American Bur-reed grows naturally in marshy areas, wet ditches, and pond edges, where its roots form a dense network that helps reduce erosion. This makes it an excellent choice for ecological restoration projects, rain gardens, and landscapes designed to improve water quality. Once established, it requires little maintenance and mainly needs organic-rich soil and consistently wet conditions to thrive. Its excellent hardiness allows it to return reliably year after year, even in cold Canadian regions.

Beyond its landscape value, American Bur-reed supports rich biodiversity by providing shelter and resources for many species associated with wetlands. Its distinctive spherical flower structures add unique botanical interest in summer, while its seeds and foliage contribute to the natural functioning of aquatic ecosystems. Paired with Northern Blue Flag Iris, Sedges, Rushes, and Cardinal Flower, Sparganium americanum creates riparian plantings that are both beautiful and ecologically effective. It is an essential plant for anyone creating a sustainable water garden that supports wildlife.

Sowing
guide
Sowing periodAutumn or spring after double stratification
Best time
Autumn or spring
Sowing depth1 to 2 mm
Spacing / density
30 to 45 cm (12 to 18 in)
Germination temperature18 to 22 °C (64 to 72 °F)
Germination time20 to 30 days
Propagation
Propagate by seed after cold stratification or by dividing established rhizomes. Rhizome division is the quickest method for establishing new colonies.
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
ExposureFull sun to partial shade
Soil
Loamy to clay, moist to waterlogged soil. This species thrives in fertile soils that remain consistently wet or shallowly submerged.
Soil pHAcidic to neutral
Watering
Consistent watering is essential because this species thrives in constantly moist to waterlogged soils. It can even be grown in a few centimeters of standing water.
Fertilization
A light application of compost each spring is generally sufficient. Organic-rich wetland soils naturally provide most of the nutrients this species requires.
Care levelLow
In spring, remove the previous year's dead foliage to encourage vigorous new growth. During summer, ensure the soil remains consistently moist or shallowly flooded. Leave spent stems standing through winter to provide habitat for wildlife and protect the crown. Minimal cleanup is needed in autumn, as the plant naturally enters dormancy. Once established in suitable wet conditions, it requires very little maintenance.
Container
growing
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,
harvest
and garden
Its ability to naturally filter water and stabilize wet soils makes it an essential plant for ecological landscapes. Its graceful foliage also adds texture and movement to aquatic gardens.
This native aquatic plant improves water quality while supporting rich biodiversity in wetlands. Its extensive root system also helps stabilize shorelines and reduce erosion.
Garden use
American Bur-reed is ideal for water gardens, natural ponds, riparian plantings, and ecological restoration projects. Its graceful foliage adds texture and movement, while its roots stabilize shorelines and naturally filter water. It combines beautifully with Northern Blue Flag Iris, Sedges, and Rushes in landscapes inspired by Canada's native wetlands. This species also supports biodiversity by providing habitat and resources for many aquatic organisms.
Bloom period
June Its discreet flowers form distinctive spherical structures that add unique botanical interest while contributing to the ecological balance of wetland habitats.to August
Flower colorYellowish green
Foliage colorGreen
Harvest
Seeds mature from August through September. They may be harvested for future sowing or left in place to encourage natural regeneration.
Fruiting
Seeds develop within the characteristic spherical seed heads that mature in late summer, supporting natural regeneration in wetland habitats.
Wildlife appealBeneficial wetland wildlife
Size
and facts
Height30 to 90 cm (12 to 36 in.)
Spread30 to 90 cm (12 to 36 in)
Growth rateModerate
Hardiness zoneUSDA Zones 3–8
Minimum temperature-40°C (-40°F)
Foliage typeDeciduous
Papillonstrue
Insectes utilestrue
Résistant aux cerfstrue
Planting
partners
Good companions
Northern Blue Flag Iris, Cardinal Flower, Bristly Sedge, Sparse Rush
Avoid planting with
Lavender, Cotton Lavender, Blanket Flower, Sedum
Recipe
and 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
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.
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.
The availability of our seeds varies depending on seasonal availability, production schedules and supplier inventory. Certain varieties may only be offered for a limited time based on their natural growth cycle, sowing period or available stock. These product pages are designed to help and inspire gardeners in choosing the right seeds for vegetable gardens, flower beds, pollinator gardens, container growing, naturalization projects and sustainable outdoor spaces.