Bushy Seedbox

(Ludwigia alternifolia)

Bushy Seedbox (Ludwigia alternifolia)

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Estimated Native Range
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Summary

Ludwigia alternifolia, commonly known as Bushy Seedbox, is a deciduous perennial herb native to a variety of habitats including wet meadows, marsh edges, stream banks, and damp thickets in the Eastern half of the United States. It typically grows to a height of 2-3 feet (0.6-0.9 meters) and a spread of 1-2 feet (0.3-0.6 meters). The plant features lance-shaped leaves and bears bright yellow, cup-shaped flowers in the summer, which are moderately showy and attract pollinators. After flowering, it produces a distinctive square seed capsule that resembles a small box, hence the common name.

Bushy Seedbox is valued for its wildlife benefits, as it provides food for various pollinators and its seeds are eaten by waterfowl. It is used in rain gardens, naturalized areas, and as a component of wetland restoration projects due to its tolerance for wet conditions. It thrives in full sun to part shade and prefers consistently moist to wet soils with slow to medium drainage. While it is not particularly drought-tolerant, it can adapt to occasional flooding. Gardeners should be aware that it can spread by self-seeding and may require management to prevent unwanted naturalization.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 2-3 feet
  • Width: 1-1.5 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium, High
  • Drainage: Slow, Medium

Common Uses

Bee Garden, Butterfly Garden, Water Garden

Natural Habitat

Wet meadows, marsh edges, stream banks, and damp thickets

Other Names

Common Names: Rattlebox, Seedbox, Ludwigie À Feuilles Alternes

Scientific Names: , Ludwigia alternifolia, Ludwigia microcarpa, Ludwigia alternifolia var. alternifolia, Ludwigia alternifolia var. linearifolia, Ludwigia alternifolia var. pubescens, Isnardia alternifolia, Ludwigia macrocarpa, Ludwigia salicifolia, Isnardia alternifolia var. salicifolia

GBIF Accepted Name: Ludwigia alternifolia L.