Pondweed

Pondweed, also known as Potamogeton natans, is a common aquatic plant found in still or slow-moving freshwater. It has long, submerged stems with narrow leaves and floating oval leaves, producing inconspicuous flower spikes above the water.

Sun: Full sun.

Soil: Aquatic soil.

Hardiness: H7 — below −20°C.

Flowering: Jun, Jul, Aug.