How deep do water lilies need to be planted in a pond?

Yes, but you need to prepare the substrate before fiberglassing the pond. It can be done by sanding the surface and washing the surface beforehand.

Like most aquatic plants, water lilies need 4-6 hours worth of sun to flourish best.

Yes, but it takes a lot of extra measures to do so. For instance, you'll need to provide 4-6 hours of sunlight per day.

Yes. I did it for a wedding last year and the flowers actually lasted several days.

When we were in Southern California, they bloomed several times a year as it never got cold enough to knock them out. We brought a suitcase full of them to...

Only if you need them out of the pond for one reason or another. If you are okay with them in your pond, let them be.

Yes, that is suggested because not every seed is guaranteed to grow a plant. By planting three seeds per hole, you triple your chances of having a plant grow in...

You should prune only during the early spring to prevent elm bark beetles. Only trim your elm tree in the early spring, preferably before March 31st, if you live in...