Cyperus Species, Clustered Flatsedge, Dense Flat-Sedge, Purple Umbrella Sedge
Cyperuscongestus

Family: Cyperaceae (sy-peer-AY-see-ee)
Genus: Cyperus (sy-PEER-us)
Species: congestus (kon-JES-tus)

Synonym:Cyperus congestus var. glanduliferus

Category
Alpines and Rock Gardens
Ornamental Grasses and Bamboo
Perennials

Water Requirements

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Smooth

Foliage Color

Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Spacing
24-36 in. (60-90 cm)

Hardiness
Not Applicable

Where to Grow

Danger

Bloom Color
Maroon/Burgundy

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
6.6 to 7.5 (neutral)

Patent Information

Propagation Methods
From seed; direct sow after last frost

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