About every day, but you don't want them to get too wet. You don't want them to dry out too much for too long. The planter should be in the sun or have a light on it. I use a planter with a clear plastic dome. It doesn't dry out as much, and I water them every other day or as needed. I didn't put a light over it the first time, and they didn't do too well.
Once a day depending on the climate and the type of seed. If it's hot: water them more.
you need to water your flowers about 2 times a week.
Advil helps plants by increasing seed germination and making flowers not wilt as often.
Flowers
Flowers
spikelike clusters of flowers
Plants can be grown from seed that come from flowers.
The flowers appear before the seed.
flowers
Flowers
It shoots up a seed head which flowers just like "normal" flowers do, then dries up and turns to seed.
Angiosperms.Both Angiosperms and Gymnosperms produce seed therefore have flowers however insignificant. The term Spermaphyte covers all plants that produce flowers.
A vascular flowering seed plant has a flower (or flowers) and has a seed (or seeds).