PatternBaseSquare-stemmed Spike Rush
Eleocharis quadrangulata, Cyperaceae
Zones
6–10
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast
Guild Roles
Ground CoverBeneficial Insect Habitat
Growing Conditions
Sun
Full Sun (preferred)Partial Shade (tolerated)
Water
High (established)High (fruiting)High (seedling)
Soil pH
6 – 7.8
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Hardstem BulrushSchoenoplectus acutus
Wind ProtectionBeneficial Insect Habitat
Green BulrushScirpus atrovirensWind ProtectionPhysical Support
White Arrow ArumPeltandra sagittifoliaPhysical SupportNutrient Accumulation
Grass-leaved ArrowheadSagittaria gramineaBeneficial Insect HabitatPhysical Support
California Giant BulrushScirpus californicusNurse PlantNutrient AccumulationPhysical Support
Antagonistic Plants
Silver BluestemAndropogon saccharoides
Silver bluestem's root chemicals and competitive growth inhibit square-stemmed spike rush establishment
Creeping Wild RyeLeymus triticoidesCreeping wild rye's rhizomatous spread and potential allelopathy suppress spike rush colonies
Bent SpikerushEleocharis geniculataRelated spike rush species compete for similar wetland sediment and growing space
Uses
Functions
Water FiltrationErosion ControlHabitat CreationNutrient Absorption
Edible Parts
Tubers
Common Questions
What zones does Square-stemmed Spike Rush grow in?
Square-stemmed Spike Rush grows in USDA hardiness zones 6 through 10.
What are good companion plants for Square-stemmed Spike Rush?
Good companions for Square-stemmed Spike Rush include Hardstem Bulrush, Green Bulrush, White Arrow Arum, Grass-leaved Arrowhead, California Giant Bulrush.
Design guilds with Square-stemmed Spike Rush and see companion relationships visually.
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