PatternBaseGiant cutgrass
Zizaniopsis miliacea, Poaceae
Zones
7–10
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast
Guild Roles
ProducerWindbreakBeneficial Insect Habitat
Growing Conditions
Sun
Full Sun (preferred)Partial Shade (tolerated)
Water
High (established)High (seedling)
Soil pH
6 – 8
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Sessilefruit ArrowheadSagittaria rigida
Giant cutgrass forms dense stands that outcompete arrowheads for light and growing space in wetland margins
Round-leaved PickerelweedPontederia rotundifoliaGiant cutgrass forms monocultures that exclude pickerelweed through competitive dominance
Earth LoosestrifeLysimachia terrestrisGiant cutgrass forms dense monocultures that exclude smaller herbaceous wetland plants like loosestrife
Uses
Functions
Water FiltrationErosion ControlHabitat CreationBiomass ProductionWindbreak
Edible Parts
Seeds
Common Questions
What zones does Giant cutgrass grow in?
Giant cutgrass grows in USDA hardiness zones 7 through 10.
What are good companion plants for Giant cutgrass?
Good companions for Giant cutgrass include River bulrush, American Water Plantain, Yellow Water Crowfoot.
Design guilds with Giant cutgrass and see companion relationships visually.
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