PatternBaseSouthern Water Hyssop
Bacopa australis, Plantaginaceae
Zones
7–11
Layer
Ground Cover
Lifespan
Perennial
Growth
Moderate
Guild Roles
Ground CoverBeneficial Insect HabitatPollinator Attractor
Growing Conditions
Sun
Full Sun (preferred)Partial Shade (tolerated)
Water
High (established)High (fruiting)High (seedling)
Soil pH
6 – 7.5
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Large-flowered Primrose WillowLudwigia grandiflora
Pollinator SharingPest Deterrent
Floating Primrose-willowLudwigia peploidesPollinator SharingBeneficial Insect Habitat
Australian MudwortLimosella australisShade ProvisionBeneficial Insect Habitat
Rooting spike-rushEleocharis radicansPollinator SharingBeneficial Insect Habitat
Antagonistic Plants
Creeping Water PrimroseJussiaea repens
Creeping water primrose forms dense floating mats that shade out smaller emergent plants like water hyssop
Valley RedstemAmmannia coccineaBoth are small emergent wetland herbs that compete for limited growing space in shallow water margins
Variable-leaf MarshweedLimnophila heterophyllaVariable-leaf marshweed can form dense stands that outcompete smaller water hyssop for light and space
Uses
Functions
Water FiltrationErosion ControlHabitat CreationOxygen ProductionSediment Trapping
Edible Parts
Leaves
Medicinal Uses
Cognitive EnhancementAnxiety ReliefLiver Support
Common Questions
What zones does Southern Water Hyssop grow in?
Southern Water Hyssop grows in USDA hardiness zones 7 through 11.
What are good companion plants for Southern Water Hyssop?
Good companions for Southern Water Hyssop include Large-flowered Primrose Willow, Floating Primrose-willow, Australian Mudwort, Rooting spike-rush.
Design guilds with Southern Water Hyssop and see companion relationships visually.
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