Image of Cyperus lupulinus
Source: Krzysztof Ziarnek
image of Grass
Cyperus lupulinus
Hop Flatsedge
Souchet petit-houblon

Synonyms

Great Plains flatsedge
slender cyperus
slender sand sedge
No seeds available for this plant.

We are not accepting seeds for this plant at the moment.

Bloom Colour: Green Bloom Period: Aug - Sep
Max Height: 2.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light Condition:
Full sun More than 6 hours of direct sun a day
Part shade More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Moisture dry Tolerates dry soil condition
Moisture medium Tolerates medium soil condition
Lifespan: Perennial plants that will that come back year after year
Gardener Experience:
plant spread by rhizome Spreads by rhizome
plant self seeding Self-seeding
Landscape Uses:
rock garden Suitable for rock gardens
container suitable Suitable for container garden
school garden Suitable for school gardens
Ecological Benefits: No ecological benefits information available.
Tolerates:
Foot Traffic Tolerant Tolerates foot traffic around the plant
Limestone Tolerant Tolerates limestone conditions
Acidic Soil Tolerant Tolerates acidic soil conditions
Transplantation Tolerant Tolerates transplantation
Special Features and Considerations:
causes skin rashes This plant causes skin rashes

Plant Location

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Cyperus lupulinus
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Mixed Wood Plains

Ecological Benefits

Butterflies Supported by Cyperus lupulinus

No butterfly data available for this plant.

Specialized Bees Supported by Cyperus lupulinus

No bee data available for this plant.

Plants that grow in similar conditions, that bloom at the same time.

Complementary Plants

  • No complementary plants found.

Substitute For Non-Native Plants

  • Pennisetum setaceum (Fountain Grass)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Surface sow
  • Sow by February
  • Stratification duration: 60 days
  • Self-seeding

Harvesting and Seed Sharing

  • Harvest start month: October
  • Harvesting indicator:
    • Seeds are dark and dry
  • Harvesting:
    • Use hand to detach from main stem
  • Seed viability test:
    • No test needed before donating
  • Packaging measure: A dozen (12) seeds (eyeball)
  • Seed storage:
    • Air dry in paper bag or open container, for a few days until crisp
    • Shake seeds to move them once in a while to prevent molding
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • No harvesting video available at this time.

Toxicity Notes

Inadequate information on toxicity found.