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Rhynchospora colorata

starrush whitetop add to wishlist

Plant types and subtypes: Grasses, Sedges, Wetland Grasses, Ornamental Grasses

Light Requirements: sun, part-sun, part-shade

Water Use: medium

Soil Moisture: moist, wet

Soil Description: average, poor, loam, clay, sand

Height: 1'-2'

Bloom Time: June, July

Bloom Color: white

Leaf Color: green

Hardiness Zone: 7, 8, 9, 10

Additional Tags: attracts bees, bog plant, colonizing, deer resistant, naturalizing, ornamental foliage, pond margin plant, stream margin plant, wetland plant

Rhynchospora colorata (starrush whitetop)
  • Rhynchospora colorata (starrush whitetop)
  • Rhynchospora colorata (starrush whitetop)
  • Rhynchospora colorata (starrush whitetop)
  • Rhynchospora colorata (starrush whitetop)

Pricing & Availability


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Rhynchospora colorata

Also known as:

starrush whitetop


star sedge


white topped sedge


whitetop sedge


star rush

Scientific Synonyms:

Dichromena colorata, Rhynchospora drummondiana, Rhynchospora stellata, Schoenus coloratus


Rhynchospora colorata stands out among other members of the Sedge family thanks to its large leafy bracts. They can be up to 4" long and are green towards their tips , but are otherwise bright white. They are laid out like the rays on a daisy, and give them a flower-like allure.


Starrush whitetop is tolerant of poorly-drained soils and is often found growing along wetlands and wet margins, and can survive extended periods submerged in shallow water. It will adapt well to average garden conditions if the soil is kept consistently moist. It prefers a setting in full sun but will also tolerate part-shade especially if the growing conditions are on the drier side. It is a non-aggressive, clumping species that spreads via rhizomes more so than by seed. Zones 7-10


Propagate by division in spring, or from seed in fall.

Additional Notes

The genus name, Rhynchospora, translates as beaked seed.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:

USDA Endangered Status:

  • Endangered: AR


Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Liliopsida Monocotyledons
Subclass Commelinidae
Order Cyperales
Family Cyperaceae Sedge family
Genus Rhynchospora beaksedge
Species Rhynchospora colorata starrush whitetop