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Dwarf Giant Papyrus, Giant Dwarf Papyrus, Oxymoron Papyrus

Cyperus percamenthus

Family: Cyperaceae (sy-peer-AY-see-ee) (Info)
Genus: Cyperus (sy-PEER-us) (Info)
Species: percamenthus


Ponds and Aquatics

Tropicals and Tender Perennials

Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Requires consistently moist soil; do not let dry out between waterings

Very high moisture needs; suitable for bogs and water gardens

Where to Grow:

Suitable for growing in containers

This plant is suitable for growing indoors


18-24 in. (45-60 cm)


24-36 in. (60-90 cm)

36-48 in. (90-120 cm)


USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade


Unknown - Tell us

Bloom Color:

Pale Green

Bloom Time:

Mid Summer

Late Summer/Early Fall


Grown for foliage



Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From seed; sow indoors before last frost

From seed; direct sow after last frost

Plant is viviparous

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds


This plant has been said to grow in the following regions:

Long Beach, California

Chiefland, Florida

Pompano Beach, Florida

Minneapolis, Minnesota

Hulbert, Oklahoma

San Antonio, Texas

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Gardeners' Notes:

No details have been posted.