Papyrus plant Cyperus PercamenthusWant to add a tropical touch to your pond? We recommend the Papyrus plant (Cyperus Percamenthus). A decorative species of grass that brightens up our pond's edge! Plant the Papyrus plant in the spring. The plant blooms with brown flowers in the summer. This aquatic plant is easy to maintain. We maintain a maximum planting depth of 15 cm. Just remove the older leaves. The aquatic plant loves sun and partial shade.