Juncus effusus
naturalizedJuncaceae

Juncus effusus

Soft Rush

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

Juncus effusus, with the common names common rush or soft rush, is a perennial herbaceous flowering plant species in the family Juncaceae. In North America, the common name soft rush also refers to Juncus interior.

Read more on Wikipedia →
summary via Wikipedia · CC BY-SA
Seasonality

Only 0 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.

What works

Controlling Juncus effusus

From Weed Control by Species2 rows →

Best reported: foliar with 2% RU w/ 98% water — one report from NEPM.

  1. 5.0foliar2% RU w/ 98% waterGlyphosateG91 report
    NEPM
    • 5successful. Recommended method · NEPM

      for large patches check for missed plants

  2. 4.0dig1 report · 1 observed
    OANRP
    • 4more than moderate satisfaction · OANRP · observed

      dig up plants and remove from field. Labor intensive

      Habitat: wet

Ratings are the reporting organisation’s own, on a 5-point scale. Always follow the product label — the label is the law. See these 2 rows in the full table

Gallery · 12 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 24 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 43 · GBIF 54 records