PatternBaseNeedle Spikerush
Eleocharis acicularis, Cyperaceae
Guild Roles
Growing Conditions
Sun
Water
Soil pH
5.5 – 8
Tolerances
Companion Plants
Antagonistic Plants
Small aquatic plants with similar growth forms competing for shallow water substrate
Seven-angled PipewortEriocaulon septangulareSmall emergent plants with similar growth forms competing for shallow water margins
Smooth CordgrassSpartina alternifloraSmooth cordgrass is known to outcompete native sedges and rushes through allelopathic suppression and aggressive root competition
PalmarosaCymbopogon martiniiAromatic grasses like palmarosa contain allelopathic compounds that can inhibit growth of sensitive wetland plants
Thin-walled BambooDendrocalamus membranaceusLarge bamboo species typically suppress small understory plants through competitive exclusion for light and nutrients
Uses
Functions
Common Questions
What zones does Needle Spikerush grow in?
Needle Spikerush grows in USDA hardiness zones 3 through 10.
What are good companion plants for Needle Spikerush?
Good companions for Needle Spikerush include Water Purslane, Many-flowered Marsh Pennywort, California Giant Bulrush, Pendulous Sedge, Golden Hedge-hyssop.
Design guilds with Needle Spikerush and see companion relationships visually.
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