Cyperus alternifolius
Umbrella Plant
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Umbrella Plant (Cyperus alternifolius) - Description
C. alternifolius bears flowers in dry greenish brown clusters. Grows in water or moist soil and can become weedy and take over a small pool.
Umbrella Plant (Cyperus alternifolius) - Blooming
Blooms spikelets of hermaphroditic flowers.
Umbrella Plant (Cyperus alternifolius) - Growth
Sedges, species include C. papyrus (papyrus, Bullrush) and C. alternifolius (umbrella plant). C. alternifolius has spreading leaves at the tops of 2-4 foot stems. C. papyrus has 6-10 foot tall stems topped with 1.5 foot long threadlike parts and small leaves at base of cluster. In cold-winter climes, pot the divisions and keep as houseplants over winter. Cyperus prefers wet habitats, and thus grows well in pool margins and bog gardens. Grow as houseplants in moist soil where not hardy.
Umbrella Plant (Cyperus alternifolius) - Planting
When dividing clumps, replant outside divisions and discard overgrown centers.
Umbrella Plant (Cyperus alternifolius) - Pest
Some problems include tar spot, rust, smut, and black band.
Umbrella Plant (Cyperus alternifolius) - Soil and irrigation
Rich, moist soil or with roots submerged in water.
