Three-square Bulrush

Schoenoplectus americanus, Cyperaceae

Zones

4–10

Layer

Herbaceous

Lifespan

Perennial

Growth

Fast

Guild Roles

ProducerBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (fruiting)High (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Floating Sweet GrassGlyceria fluitans

Pollinator SharingBeneficial Insect Habitat

Worm-root LudwigiaLudwigia helminthorrhiza

Nutrient Accumulation

Colorado Spike RushEleocharis coloradoensis

Wind ProtectionNurse Plant

Valley RedstemAmmannia coccinea

Wind ProtectionBeneficial Insect Habitat

Antagonistic Plants

Manchurian Wild RiceZizania latifolia

Manchurian wild rice releases allelopathic compounds that inhibit bulrush establishment and competes for rhizome space

Uses

Functions

Water FiltrationErosion ControlHabitat CreationBiomass Production

Edible Parts

RootsSeeds

Medicinal Uses

Wound HealingDigestive Aid

Common Questions

What zones does Three-square Bulrush grow in?

Three-square Bulrush grows in USDA hardiness zones 4 through 10.

What are good companion plants for Three-square Bulrush?

Good companions for Three-square Bulrush include Floating Sweet Grass, Worm-root Ludwigia, Colorado Spike Rush, Valley Redstem.

Design guilds with Three-square Bulrush and see companion relationships visually.

Try PatternBase free