If it is growing somewhere you do not want it to grow, it is a weed.
yeah. Hence dro.
They do grow in water. They look like hairs with spikes on it. Go to google and try typing in "water weed". It should come out.
no it will not, you have to use "cool lights" or "flourecent lights"
Probably not, as ashes when mixed with water are typically very low in nutrients, and tend to be acidic.
gilly weed
Accessibility to pollinating insects is a reason why pond weed flowers grow above the water. Aquatic plants whose male variety's pollen grains are water-pollinated by a female variety's floral stigmas contrastingly will not need the above-surface flowerings.
the coral reefs only grow in the under water and the continents are under water so it can grow and give a good place in the under water.
In Short, No.
You don't plant weed, they just grow from gardens.
You don't. Unless your friends are nice enough to smoke you out.
Water hyacinth is Eichhornia crassipes and is in the pickerell weed family. Sphagnum is a moss.