Light color also called light temperature is described in kelvin.
Best light to grow one pot plant.
2700 k is a very red spectrum for flowering.
How to calculate the wattage of light you require.
Ideally leaving a pot under light for 18 20 hours a day for 4 6 weeks during veg is perfect for growing a nice healthy plant.
The summer time is the best for this process.
Flowering plants need more red light as supplied by hps lights.
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.
Cultivate healthy plants year round with a full spectrum grow light like our top overall pick the roleadro led 75w grow light.
The cfl lamps are available in red blue and mixed colors.
The most important general rule to remember about light and cannabis cultivation is that red spectrum colors induce flowering while blue spectrum colors promote growth.
The cycles or periods of time during which your plant receives light is also important.
The best method is to place your plant near by a sunlit window if the climate you live in allows for enough sunlight during some months.
Position this grow light above or next to plants at any stage of growth including seeding vegetative or flowering for a boost of full spectrum lighting.
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.
Many indoor growers will give their plants 24 hours of light while in vegetation to ensure their girls grow as big as possible.
When growing cannabis a good rule of thumb is to use a minimum of 50 watts of light per square foot of grow space.
The best lighting option for a marijuana plant is a 250 watt hid lamp so it may be worth it nonetheless.
6400 k is a cool blue green light as needed for growth.
Generally speaking the higher the wattage of the grow light you use the more weed your plant will produce.
If your plant is not receiving enough light you will clearly know because it will begin stretching and reaching upwards having more upward growth than outward growth.
High intensity lights are superior for growing cannabis because they produce more dense compact and higher yielding plants.
For example if you re growing a single plant a 1000 watt grow light will produce a larger yield than a 300w watt light.
Lower powered lights such as a 250 watt led grow light should be kept 12 24 inches above the top of the canopy.
However how do you know the exact wattage of light you require.
While you can somewhat increase the intensity by moving the grow lights closer to the plants it s best to choose a high intensity grow light from the start.