Marijuana's strength is correlated to the amount of THC it contains and the effects on the user depend on the strength or potency of the THC. The THC content in marijuana has been increasing since the 1970s.
Once flowering begins, the height of the plants will taper off as the plant energy is used in the flowering process itself. You can start flowering when the plants are a minimum of about 6 inches high and have at least 4 sets of leaves.This will take 2 weeks to a month of vegetative growth in most hydroponic gardens.When you want to start flowering cut the light back to 12 hours a day.nce flowering begins, the height of the plants will taper off as the plant energy is used in the flowering process itself. You can start flowering when the plants are a minimum of about 6 inches high and have at least 4 sets of leaves.
If you have at least 25â (64 cm) + size of your plants in their containers, you should upgrade to MH/HPS or upgrade or an LED grow light. A general rule is you should have at least 5 feet (1.5 meters) of height for smaller MH/HPS setups or an LED panel, and 6 or 7 feet (~ 2 meters) of height for a larger MH/HPS setup.raining your plants to grow better and without major problems will give you bigger yields, for free, without having to upgrade your lights or setup in any other way. The only other time you should not upgrade from CFLs to a better grow light is if height is an issue.