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Seed Box

Ludwigia alternifolia

Unique squarish seed pods, reddish foliage and four-petaled yellow flowers



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Ludwigia alternifolia, commonly known as Seed Box, is a native perennial forb (wildflower) in the evening primrose family. It is found throughout the State of Missouri on stream/pond margins, wet meadows, wet places in prairies and depressions, low wet woodlands, fallow fields, ditches and along railroad right-of-ways. Seedbox has showier flowers than most Ludwigia spp., and its cubic seed capsules have a distinct appearance.

Wildlife notes

The flowers of Seedbox are visited primarily by bees, including Halictid bees and leaf-cutting bees. The bees suck nectar or collect pollen from the flowers. Less common floral visitors include Sphecid wasps, small butterflies, beetles, and other insects. Some insects also feed on the foliage and other parts of Seedbox. These species include leaf beetles, the flea beetle, and caterpillars of the Pearly Wood Nymph moth. White-Tailed Deer occasionally browse on the foliage during the summer.


Forage notes

No information is currently available.

Landscaping notes

Easily grown in average, consistently moist to wet soils in full sun. Tolerates light shade. May self-seed in optimum growing conditions. Native plant gardens, water gardens, pond peripheries, moist naturalized areas or low areas.

Restoration notes

Habitats include openings in floodplain woodlands, sandy swamps, acidic gravelly seeps, low areas along streams and ponds, wet prairies, wet sand prairies, and roadside ditches.

This species is commonly used in the following mixes: Wildlife Chuckwagon Mix, Wet Meadow Mix, Butterfly & Hummingbird Mix

Additional information

Weight N/A

Packet, Ounce, Pound


Full Sun to Part Shade

Seeding Rate

1 bulk lb/acre





Bloom Month

Jun, Jul, Aug



# seeds/pkt


Packet coverage area

5 sq. ft

Life Cycle


What is PLS?

Pure Live Seed (PLS) is the portion of good viable seed per pound. It is a measure of the seed that is alive and able to sprout into plants. This product is sold by PLS ounce/pound. To provide one ounce/pound of viable seed, you will receive more than one ounce/pound of product. Read more about PLS here.