Maximizing broccoli cultivation by growing up to 14 broccoli plants per aeroponic tower. Broccoli is a slow grower and can take up to 70 days to reach maturity from the time you transplant the seedling. However, it also takes 1 month from the time you sow the seed until the you have a seedling ready for transplanting. If you are dealing with cabbage worms on your brassicas (broccoli, cabbage, cauliflower, etc.), we recommend using an organic pesticide known as Bt (Bacillus thuringiensis). Bt is