How much light does Carex lupulina need?

Hop sedge grows best in part shade but tolerates conditions from part sun to fuller shade, especially where soil stays consistently moist.

How much water does hop sedge require?

This sedge needs high moisture and does well in soggy or seasonally flooded soil along pond edges, ditches and wet woodland openings.

When does Carex lupulina bloom?

Hop sedge produces its inconspicuous greenish flower spikes from May into July, with the hop like seed heads developing soon after.

What does Carex lupulina look like?

It forms upright clumps of grass like leaves topped with bristly, inflated seed capsules that resemble small hop cones, which is where the common name comes from.

Is Hop Sedge toxic to livestock?

The USDA PLANTS Database does not flag Hop Sedge as toxic to livestock.

Is Hop Sedge HOA-friendly?

Hop Sedge takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Hop Sedge

Name: Pollinator Patch
Author: Pollinator Patch

Carex lupulina

Last reviewed: August 2026

Carex lupulina, or hop sedge, is a clump forming wetland grass that blooms from May through July and grows well in wet meadows, pond margins and shaded swamps across the eastern and midwestern United States.

Toxicity unknown

Hop Sedge (Carex lupulina) 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.

The USDA PLANTS Database (opens in new tab) does not flag Hop Sedge as toxic to livestock.

Light

part shade

Water

high

Size

12"–36" H × 12"–24" W

Bloom

May, Jun, Jul

Native to

AL, AR, CT, DE and 30 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 452 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

Cross Timbers East Central Texas Plains Western Gulf Coastal Plain South Central Plains Eastern Temperate Forests Ozark Highlands Central Irregular Plains Piedmont Western Corn Belt Plains Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Central Corn Belt Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Huron/Erie Lake Plains Northeastern Highlands Northeastern Coastal Zone Northern Allegheny Plateau Erie Drift Plain Northern Forests Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Central Appalachians Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills Mississippi Alluvial Plain Mississippi Valley Loess Plains Southern Coastal Plain Acadian Plains and Hills Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens

Hop sedge is a native wetland grass that forms attractive clumps with arching green foliage. It produces distinctive hop-like seed heads in summer that give the plant its common name. This moisture-loving sedge works well in rain gardens and naturally wet areas of the landscape.

Growing Hop Sedge

Grow Hop Sedge in part shade and high water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Hop Sedge takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Requires consistently wet conditions that may not fit typical lawn aesthetics
Can appear unkempt when dormant in winter
Seed heads may be considered messy by conservative HOAs

Wildlife value

The seeds provide food for waterfowl and songbirds. As a host plant for several butterfly species, it supports lepidoptera larvae and offers nesting material for birds.

Common questions

How much light does Carex lupulina need?: Hop sedge grows best in part shade but tolerates conditions from part sun to fuller shade, especially where soil stays consistently moist.
How much water does hop sedge require?: This sedge needs high moisture and does well in soggy or seasonally flooded soil along pond edges, ditches and wet woodland openings.
When does Carex lupulina bloom?: Hop sedge produces its inconspicuous greenish flower spikes from May into July, with the hop like seed heads developing soon after.
What does Carex lupulina look like?: It forms upright clumps of grass like leaves topped with bristly, inflated seed capsules that resemble small hop cones, which is where the common name comes from.
Is Hop Sedge toxic to livestock?: The USDA PLANTS Database does not flag Hop Sedge as toxic to livestock.
Is Hop Sedge HOA-friendly?: Hop Sedge takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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

Add this plant to your garden

iPhone app Android app

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz