The first thing you need to do is know your audience, is this for a friend, a lover, or just for display? After figuring that out a good start is to use roses in the arrangement for a lover, use daffodils for a friend and carnations for a display.
to keep flowers you water let sun get to them and then you have the flowers to keep growing
first you get a pot
Pollen to keep them alive
Osmosis
kick it
Because leaves keep the flowers food inside themselves. This is called photosynthasis. If your flower doesn't have leaves it will die. Poor flower.
You put a teaspoon of sugar in the vase of flowers with the water to keep the flowers fresh
flowers feed off the sun to absorb energy and water to keep nutrition in there system.
They produce so that we could have more oxygen in the atmosphere. Flowers breath in our CO2 and give out the oxygen that we breathe. That is why we all have flowers and that is why they keep growing.
anemones
Its called 'interdependence.' The flowers need the bees to pollinate them to survive, but the bees need the flowers so they can make honey, and the female bees pollinate flowers and keep pollen on there legs to feed there larve.
according to Alan tichmarsh its to give yoou pleasure!
It depends why you are growing it. If grown for decoration leave the flowers on if for culinary use then keep the flowers cut off and the foliage young as this improves the flavour.
Ideally you could plant both flowers and vegetables in your garden but if you want to keep them separated is your choice.