It has been introduced in many tropical, sub-tropical and warm temperate areas around the globe over time including the southern U.S. It is probably native to boggy areas and lake/stream margins in Madagascar (Malagasy Republic), but early on naturalized throughout eastern Africa. Florida Exotic Pest Plant Council has designated this plant as Category II: An invasive exotic that has not yet altered plant communities to the extent it would qualify as Category I.Ĭyperus involucrata, commonly called umbrella plant or umbrella sedge, is a rhizomatous, evergreen, densely-clumping, tender perennial sedge that typically grows to 3-6’ tall in frost free areas, but to 2-3’ tall where not winter hardy and grown as an annual.
Planting in containers helps prevent some unwanted spread. It can spread aggressively by self-seeding and rhizomes. In warm frost-free climates, this sedge is weedy bordering on invasive. Rather than overwinter indoors, plants may be grown as if they were annuals by letting them die each winter and replacing them each spring. When overwintering, set the container in a saucer filled with water, and place the container and saucer near a bright sunny window. Another option is to divide plants and pot up the divisions for overwintering indoors. Containers can be brought indoors if not too large. Louis area, these plants are tender perennials that must be brought indoors in fall before first frost for overwintering in a sunroom or greenhouse. Plants may be grown in containers at the margins of water gardens, pools or ponds. Plants in Zones 8-9 will die back with frost, but may survive the winter and put out new foliage in spring if the roots remain unfrozen. Plants are tender perennials that are intolerant of frost. This is an amphibious sedge which grows well in shallow standing water. Plants tend to be more compact in sun and more open, larger-leaved and taller in shade.
KING TUT PAPYRUS GRASS CARE FULL
Winter hardy to USDA Zones 9-12 where is easily grown in wet, boggy soils in full sun to full shade.
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