Veronica longifolia or is a marginal or shallow water aquatic pond or water gardening plant.

Veronica longifolia which has no common name, is a marginal aquatic or pond plant. Use this type of plant to decorate shallow (about 6 inches deep) pond areas. The Veronica longifolia will grow well in semi shade . It flowers in summer. The flower colour is blue. At maturity this pond plant will reach a height of about 3.2 feet. Does best in water depth: very shallow

List of water lilies

Great article about oxygenators

List of floating plants for garden ponds

List of marginal aquatic plants for ponds and water gardens

Other aquatic plant links

Veronica longifolia or is a marginal or shallow water aquatic pond or water gardening plant.

Carex Pseudocyperus or Sedge is a bog or pond-side aquatic plant.

Zizania aquatica or is a marginal or shallow water aquatic pond or water gardening plant.

Ceratophyllum demersum or Hornwort is an oxygenator aquatic plant. Perfect for most water gardening situations.

Elodea, Egeria canadensis or Canadian Pondweed is an oxygenator aquatic plant. Perfect for most water gardening situations.

Myriophyllum spicatum or Water Milfoil is an oxygenator aquatic plant. Perfect for most water gardening situations.

Utricularia vulgaris or Common Bladderwort is an oxygenator aquatic plant. Perfect for most water gardening situations.