Description of Cyperus percamenthus 'King Tut'
Cyperus 'King Tut' is an umbrella sedge grown for tall stems topped with big green umbrella heads. It’s often sold as a patio marginal for tubs and pond shelves. Names vary in trade, but the look and care are consistent: warm, wet, and bright.
Appearance
It forms clumps of upright stems with wide radiating bracts at the top. In good conditions it can reach 90cm to 1.5m. The heads sway in light wind and add height without heavy foliage.
Care Guide
It needs constant water. If it dries out, the leaf tips brown fast and growth slows.
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Sun: Full sun to light shade.
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Soil: Aquatic compost in a pot, topped with gravel.
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Water: Keep the pot sitting in water or saturated at all times.
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Feeding: Feed in summer for stronger stems and bigger heads.
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Overwintering: Protect from frost if grown in a container.
If you keep it indoors for winter, place the pot in a tray of water so the roots never dry.
Suitability for Bog Garden
This suits bog gardens as a container feature plant in the wettest zone or on a pond shelf. It looks best as a single clump near seating or entry points where the shape is easy to see.
In smaller bog beds, a pot sunk into the substrate is the simplest way to grow it without it getting lost among other plants.
FAQ
Does Cyperus 'King Tut' need to sit in water?
Yes. Keep the pot permanently wet or standing in shallow water.
How tall does it get?
Often 90cm to 1.5m depending on warmth and feeding.
Can I grow it in a bog garden?
Yes, especially in a pot sunk into the wet zone or on a pond shelf.
Is it hardy outdoors?
It can be damaged by frost in containers, so winter protection helps.