Learn about several plant varieties and the planting information for each zone.
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Cyperus alternifolius – Umbrella Flat Sedge (Palm)
Note: This plant is considered Invasive in the wetlands along the Southern U.S. For more details, click on the link below.
Upright tender, bog perennial noted for its terminal whorl of foliage and pale yellow-brown flowers
Plant in containers or at the edge of pond, water feature or reliably moist garden soil
Plant in partial to full shade
Deadhead to prevent the formation of seeds
Fertilize monthly during growing season
Height: 3-5 feet; Width: 1-2 feet
Annual in USDA zones 2-8
Hardy in USDA zones 9-11:
Zones 2-8: Plant in spring after danger of frost has passed; plant in containers or dig and bring indoors for the winter; may reseed even in these zones, so deadhead.
Zones 9-11: Plant in spring after danger of frost has passed; can be container grown or left in the ground; remove old foliage in the fall; will reseed even in these zones, so deadhead.