Seedbox, Bushy Waterprimrose

Ludwigiaalternifolia

Family
Onagraceae (on-uh-GRAY-see-ee)
Genus
Ludwigia (lud-WIG-ee-uh)
Species
alternifolia (al-tern-ee-FOH-lee-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Height
24-36 in. (60-90 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Villa Rica, Georgia

Cole Camp, Missouri

Frenchtown, New Jersey

Summerville, South Carolina

Memphis, Tennessee

Spring, Texas

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Gardener's Notes:

2
positives
2
neutrals
0
negative
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H
H
San Antonio, TX (Zone 8b) | January 2009 | neutral

I have not grown nor observed this plant. Ludwigia alternifolia is native to Texas and other states.

P
Memphis, TN | September 2008 | positive

This beautiful native wildflower came up on its own in several of my perennial beds this year. I pulled some of them out, but let a few o...Read More

C
C
West Pottsgrove, PA (Zone 6b) | July 2008 | positive

This is a U.S. native plant that has only been reported as invasive in Puerto Rico, nowhere else.

C
Benton County, MO (Zone 5a) | July 2008 | neutral

Also called False Loosestrife. Missouri Wildflowers says it does well as a garden subject and seeds freely.

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