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Genus: Cyperus Species: alternifolius Common Name: Umbrella Sedge Family: Cyperaceae Order: Poales Native: Madagascar, Reunion Island., Mauritius Habit: Herbaceous Perennial Height: 1 to 3 feet Width: 1 to 2 feet Flowering Season: Summer Flower Color: Greenish-brown Propagation: Seed or division Zone: 9-11 Note: This perennial sedge is suitable for containers, bog gardens, or near streams and ponds. The Umbrella Sedge can be propagated by trimming the inflorescence and bracts 1/2 their length, and then setting it in moist sand. Prefers partly shady, moist, well-drained, ordinary garden soil.