I need answers

how many plants do I need to grow 2lbs and how much lighting do I need and also how tall the plants have to be

How many plants depends on the size. You can grow HUGE 8-9' plants outdoors or in 55 gallon garbage cans and get 2lbs off 1 plant. You will have to veg them for 5 months and flower them for 3 but it's possible. You could also push to flower 75 clones and only grow them 12-16" by the end of flower and get 14 grams per plant all under 1 1000w light. That would give you 2 pounds as well.

Realistically if you are new to growing and have the limitations of most indoor growers you will need 12 plants grown to 4-5' tall under 3 600w bulbs or 2 1000w bulbs.

Nobody ever harvested two pounds of anything decent without starting small and learning along the way.

Lol.. He needs answers!!!!

Bigtee said:

how many plants do I need to grow 2lbs and how much lighting do I need and also how tall the plants have to be

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1 plant, natural sunlight, as tall as they grow. that should get you close. but mostly, you should read jorge cervantes Medical Marijuana Grow Bible and learn to be concerned with quality, not quantity.

600 watts over 4by 4 proper fans temps,rh , intake/exaust water temps 108ish plants total 14 grams piece should be no problem if u make list and follow it bud them 4-6 inches max as this is greatest yield of highest quaility material hope this puts u on right track

You will need two 1000w and anywhere from 15 to 50 plants depending on your ability. That narrow it down for you.

1000w = 4x4x5 feet
each properly veged plant needs 2 sq ft to grow right, so you can do it with 4 plants times two for 2+ elbows

you need to be sure to not let the plants get higher than 4 feet at the end of flower.

You can grow M39 which is OK at 45 days.