PatternBaseLarge-flowered Primrose Willow
Ludwigia grandiflora, Onagraceae
Zones
7–11
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast
Guild Roles
Ground CoverPollinator AttractorBeneficial Insect Habitat
Growing Conditions
Sun
Full Sun (preferred)Partial Shade (tolerated)
Water
High (established)High (fruiting)High (seedling)
Soil pH
5.5 – 8
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Green Parrot's FeatherMyriophyllum pinnatum
Both aggressive aquatic species compete intensely for light and growing space, with primrose willow's dense surface growth shading out milfoil
Australian Water CloverMarsilea muticaLarge primrose willow forms dense canopies that severely reduce light availability for water clover beneath
Redhead GrassPotamogeton perfoliatusLarge-flowered primrose willow forms dense mats that block light to submerged pondweeds and releases growth-inhibiting compounds
Uses
Functions
Water FiltrationErosion ControlHabitat CreationNutrient CyclingOxygen Production
Edible Parts
Young LeavesShoots
Medicinal Uses
Anti-InflammatoryWound Healing
Common Questions
What zones does Large-flowered Primrose Willow grow in?
Large-flowered Primrose Willow grows in USDA hardiness zones 7 through 11.
What are good companion plants for Large-flowered Primrose Willow?
Good companions for Large-flowered Primrose Willow include Pale Spikerush, Spiny-seeded Floatingheart, Southern Water Hyssop.
Design guilds with Large-flowered Primrose Willow and see companion relationships visually.
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