Umbrella Plant, Umbrella Papyrus, Umbrella Palm
Cyperus involucratus

Family: Cyperaceae (sy-peer-AY-see-ee)
Genus: Cyperus (sy-PEER-us)
Species: involucratus (in-vol-yoo-KRAY-tus)

Synonym:Cyperus alternifolius

Synonym:Cyperus alternifolius subsp. flabelliformis

Synonym:Cyperus flabelliformis

Category
Tropicals and Tender Perennials

Height
4-6 ft. (1.2-1.8 m)

Spacing
18-24 in. (45-60 cm)

Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
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
Sun to Partial Shade

Danger

Bloom Color
Inconspicuous/none

Bloom Time
Blooms all year
Blooms repeatedly

Foliage
Grown for foliage

Other details
Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds