Lower powered lights such as a 250 watt led grow light should be kept 12 24 inches above the top of the canopy.
Best light to grow two weed plants.
Among these are five led variations on the red spectrum four blue variations one infrared diode and 3000k warm white as well as 7500k cool white leds.
How many plants you are growing each cannabis plant requires at least 1 square foot of space to grow in.
These will evenly diffuse light for your plants and they aren t overly lot so you have a low risk of heat damage.
Therefore we need to calculate the square footage length x width of our grow space.
High intensity lights are superior for growing cannabis because they produce more dense compact and higher yielding plants.
The wattage of light that you require for growing weed depends on two things.
High pressure sodium grow lights.
Keep in mind that you might want to use a fluorescent light in conjunction with your sodium vapor light.
We want to flood our plants with light food so that they have lots of energy to produce big potent buds.
This allows the plant room to grow to its full potential without being impeded by the plants around it.
The flowering stage is the last stage of growth and it is the most crucial for you as a cultivator.
They emit a gentler yellow light that cannabis prefers when it is in the flowering stage.
Mid range lights such as a 600 watt or 900 watt led grow light should be 14 36 inches from the top of your plants.
High pressure sodium or hps grow lights are far more efficient than other forms of hid.
Many growers prefer to use t5 fluorescent lights for seedlings and clones.
There are three main types of lights you can use to grow cannabis.
Leds high intensity discharge hid bulbs and fluorescent lights.
High powered lights such as a 1500 watt 2000 watt or 3000 watt led grow light should be raised to 24 36 above the canopy.
A 12 12 cycle 12 hours of light and 12 hours of darkness is ideal.
You can transition plants into the flowering stage by reducing their light exposure.
Your best bet is to purchase two 400w or 600w hps lights.
When the plants flower they begin to produce a sticky resin on the leaves.
When growing cannabis a good rule of thumb is to use a minimum of 50 watts of light per square foot of grow space.
Baby weed plants have different light requirements so you may wish to buy a separate grow light for this purpose.
For the early vegetative stage the blue glow from the metal halide lights is best.