Sparganium erectum | 9cm Pot | Yellow Flower

Price range: £3.02 through £4.43

Common Names

  • Branched Bur-reed
  • Greater Bur-reed
  • Upright Bur-reed

Sparganium erectum, the branched bur-reed, is a robust native aquatic perennial. Ideal for UK pond margins and bog gardens, it offers unique architectural foliage and fascinating bur-like flowers. This plant is a fantastic choice for attracting and supporting wetland wildlife in your garden.

192 in stock

£4.43
3 – 4 pieces
£3.96 (11% off)
5 – 6 pieces
£3.49 (21% off)
7 – 12 pieces
£3.26 (26% off)
13 – 23 pieces
£3.02 (32% off)
24+ pieces
3
Sparganium erectum
£13.29

Embrace Sparganium erectum, the branched bur-reed. This native aquatic perennial is ideal for UK pond margins, offering architectural form and supporting wetland wildlife.

Sparganium erectum, often called branched bur-reed or greater bur-reed, is a fascinating wetland plant native to the British Isles. It thrives in shallow water or very damp soil. This makes it an excellent choice for naturalising pond edges, bog gardens, or water features in UK gardens. Its distinctive foliage and unusual flower heads bring a unique texture to aquatic settings. Furthermore, this robust perennial plays a vital role in supporting local ecosystems. It provides food and shelter for various creatures. Cultivating Sparganium erectum enriches both your garden’s aesthetic and its biodiversity.

Features of Sparganium erectum

  • Distinctive Appearance: Features unique, spherical flower heads and architectural, strap-like leaves.
  • Wildlife Haven: Attracts pollinators and provides shelter for aquatic insects, amphibians, and birds.
  • Robust Perennial: A hardy native plant, well-suited to the UK climate.
  • Ideal for Water Gardens: Thrives in shallow water or consistently moist soil, perfect for pond margins and bog gardens.
  • Low Maintenance: Requires minimal ongoing care once established.

Unravelling the Name: Sparganium erectum

The intriguing name Sparganium erectum holds historical meaning. The genus name ‘Sparganium’ originates from the Greek word ‘sparganon’, which translates to ‘swaddling band’. This perhaps refers to the plant’s long, ribbon-like leaves. These leaves can resemble strips of cloth. The species epithet ‘erectum’ is Latin for ‘upright’. It accurately describes the plant’s typical growth habit. Together, these names paint a vivid picture of this unique aquatic species. It is also known as the branched bur-reed or greater bur-reed across the UK.

Foliage and Flowering Display of the Branched Bur-reed

Sparganium erectum truly makes a statement with its foliage. It produces long, sword-shaped leaves that emerge from the water or damp soil. These vibrant green leaves stand erect or arch gracefully. They often reach impressive heights. They add a strong vertical element to any water garden, creating an architectural feel. The plant’s flowering period typically occurs from June through to August. During this time, it develops fascinating, globular flower heads. These consist of small, greenish-white male and female flowers. They later mature into spiky, bur-like fruits. The unique texture of these ‘burs’ offers visual interest long after the flowers have faded.

Enhancing Your UK Garden with Sparganium erectum

Integrating Sparganium erectum into your UK garden design offers numerous benefits. It excels when planted at the margins of ponds, lakes, or in dedicated bog gardens. Its robust nature means it establishes quickly, creating a natural and verdant edge. This plant is especially valuable in wildlife-friendly garden schemes. The dense foliage provides excellent cover and shelter for a range of aquatic insects, newts, and frogs. Moreover, its flowers attract various pollinators. Birds often feed on the mature seeds in autumn. While Sparganium erectum is primarily appreciated for its natural form, an annual tidy-up of old foliage in late winter or early spring helps maintain its vigour. This encourages fresh, strong growth for the coming season. As a species plant, specific cultivars are not generally available, ensuring you get the true, wild beauty of the branched bur-reed.

Max Height 1.50 at maturity
Max Spread 1.00 at maturity
Growth Rate Average
Average growth
Position
Full Sun Partial Sun
Soil Type
Loam Clay Peat
H7 H7 – Very hardy

Hardy in the harshest UK conditions and below. Suitable for mountain regions.

−25°C +15°C
Typical minimum: Below -20°C

Care Notes

Sparganium erectum needs consistently wet soil or shallow water, up to 30cm deep. Cut back old foliage in late winter or early spring to encourage vigorous new growth. Divide plants in spring if they become overcrowded or spread beyond desired areas to maintain control and plant health.