What sort of wattage needed?

im startin a grow of 3 plants soon, white widow, purple bud, big bud

so for 3 plants in about 3 ft x 1 ft space i was just wonderin how many watts will i need that will take them from seedling to flowered without havin to add more lights.

minimal i would say 250hps.

ah the reason i posted in here was cuase its a flouro grow, cant afford hps. im too poor for good shit

try and get a 200w envirolite