First off

yes, flouros work great for vegging

flowering you NEED a HPS.

Keep flouros on for vegging 24/7 and keep bulbs an inch or closer to growth tips.

Keeping the light as close as possible keeps the plants short and stocky.

anytime after the plant is 21 days old you can begin to flower.

The earlier you flower the less yield and potency.

Flowering requires a strict 12 hours on, 12 hours off regimin

And this is assuming you have all females....thats a whole other thing.

These simple facts can produce good stuff