Mars, meanwhile, has two moons â Phobos and Deimos. Like our own Moon, both of the Martian moons are tidally locked to Mars, so they always present the same face to the planet. Compared to our Moon, they are rough and asteroid-like in appearance, and also much smaller.
Hardy pond plants are classified as water plants that will survive the winter up to zone 4. Hardy plants will come back every year and are preferred over tropical plants due to this reason.
These charming and richly fragrant plants have many bell-shaped white flowers in late spring. They are hardy perennials and thrive in zones 3 through 7, but labor in the South. Easily grown, these small plants will take a couple of years to establish and may not flower the first year.