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.
Best light to grow one pot plant.
6400 k is a cool blue green light as needed for growth.
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.
2700 k is a very red spectrum for flowering.
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.
Therefore we need to calculate the square footage length x width of our grow space.
The best lighting option for a marijuana plant is a 250 watt hid lamp so it may be worth it nonetheless.
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.
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.
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 cfl lamps are available in red blue and mixed colors.
Then using a simple fluorescent bulb cfl s t5 s t8 s you can supplement the extra light needed to keep the bud lit up even when the sun goes down.
Light color also called light temperature is described in kelvin.
We want to flood our plants with light food so that they have lots of energy to produce big potent buds.
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.
For example if you re growing a single plant a 1000 watt grow light will produce a larger yield than a 300w watt light.
The cycles or periods of time during which your plant receives light is also important.
The summer time is the best for this process.
Flowering plants need more red light as supplied by hps lights.
High intensity lights are superior for growing cannabis because they produce more dense compact and higher yielding plants.
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.
Cultivate healthy plants year round with a full spectrum grow light like our top overall pick the roleadro led 75w grow light.
However how do you know the exact wattage of light you require.