Submerged Oxygenators

Aquatic Mint
(Micromeria brownii)
Roundish, light green leaves, aromatic.
Full Sun       Partial Shade
Zone 9

Bacopa
(Bacopa monnieri)
Oval green leaves.
Full Sun       Partial Shade
 Zone 9 

Cabomba
(Cabomba carolineana)
Glossy green, fan-like leaves.
Full Sun       Partial Shade
Zone 6-7

Elodea
(Elodea canadensis)
A native "anacharis". Very hardy, vigorous.
Full Sun       Partial Shade
Zone 3

Hornwort
(Ceratophyllum demersum)
A fine leaved hardy oxygenator that does not require planting, merely drop in the water. Excellent for fish spawn and fry.
Full Sun       Partial Shade
Zone 5

Hygrophila
(Hygrophila spp.)
Elongated green leaves.
Full Sun       Partial Shade
Zone 9

Ludwigia
(Ludwigia spp.)
Leaves are green above, reddish beneath.
Full Sun       Partial Shade
Zone 6-7

Dwarf Sagittaria
(Sagittaria subulata)
Grass-like, vigorous.
Full Sun       Partial Shade
Zone 6-7

Vallisneria
(Vallisneria spp.)
Broad green leaves. Grows up to 24" long.
Full Sun       Partial Shade
Zone 6