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Giant Umbrella Sedge

Cyperus giganteus, Cyperaceae

Zones
9–11
Layer
Shrub
Lifespan
Perennial
Growth
Fast

Guild Roles

WindbreakShade ProviderBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)

Water

High (established)High (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Modest Water PoppyHydrocleys modesta
Shade ProvisionWind Protection
Water SnowflakeNymphoides indica
Shade ProvisionWind Protection

Antagonistic Plants

Common Club-rushSchoenoplectus lacustris

Both large sedges compete for root space and nutrients in wetland margins

California BulrushSchoenoplectus californicus

Large wetland sedges competing for space and resources in marsh environments

Uses

Functions

Water FiltrationErosion ControlWindbreakHabitat Creation

Edible Parts

Rhizome

Common Questions

What zones does Giant Umbrella Sedge grow in?

Giant Umbrella Sedge grows in USDA hardiness zones 9 through 11.

What are good companion plants for Giant Umbrella Sedge?

Good companions for Giant Umbrella Sedge include Modest Water Poppy, Water Snowflake.

Design guilds with Giant Umbrella Sedge and see companion relationships visually.

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