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Slimpod Rush

Juncus diffusissimus

Last reviewed: August 2026

Slimpod Rush (Juncus diffusissimus)
Photo: (c) Sam Kieschnick, some rights reserved (CC BY)

Toxicity unknown

Slimpod Rush (Juncus diffusissimus) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

medium

Size

12"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, CT, FL and 19 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 437 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Central Great PlainsCross TimbersEdwards PlateauTexas Blackland PrairiesEast Central Texas PlainsWestern Gulf Coastal PlainSouth Central PlainsEastern Temperate ForestsOzark HighlandsCentral Irregular PlainsPiedmontEastern Corn Belt PlainsNortheastern Coastal ZoneMiddle Atlantic Coastal PlainSoutheastern PlainsBlue RidgeRidge and ValleyWestern Allegheny PlateauInterior PlateauInterior River Valleys and HillsMississippi Alluvial PlainMississippi Valley Loess PlainsSouthern Coastal Plain

Slimpod rush is a native grass-like perennial that forms narrow, upright clumps of slender green stems. It produces small, inconspicuous flowers in summer and maintains a neat, vertical growth habit throughout the growing season.

In an HOA neighborhood

Slimpod Rush is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

  • May look too naturalistic for conservative neighborhoods
  • Growth habit might be unfamiliar to some residents

Wildlife value

This rush provides nesting material and shelter for small birds and beneficial insects. The seeds offer food for various songbirds in late summer and fall.

Common questions

How much sun does Slimpod Rush need?
Slimpod Rush grows best in part sun conditions.
When does Slimpod Rush bloom?
Slimpod Rush blooms in June, July, and August.
Where is Slimpod Rush native?
Slimpod Rush (Juncus diffusissimus) is native to AL, AR, CT, FL and 19 more states, per the World Checklist of Vascular Plants (Kew).
Is Slimpod Rush HOA-friendly?
Slimpod Rush is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Slimpod Rush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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