20 inches between lamp and plant for 400 watt.
Best light schedule for weed plants.
When growing indoors growers will typically put plants on a schedule of 12 hours of light and 12 hours of darkness 12 12 once plants have reached the desired size during the vegetative period.
Here we review the basics and explain why we prefer an 18 6 light cycle.
Cannabis is a c3 plant meaning it can absorb co for photosynthesis even during light hours.
Which light cycle is best for vegetative growth is an often debated topic.
This allows for robust growth without overspending.
When the lights are turned off and no photosynthesis is occurring the plant can absorb new co 2 into its cells.
The light for your plants can be manipulated at this stage to yield better growth.
If you are growing your cannabis indoors from photoperiod seeds the flowering stage starts when you change to a 12 12 light schedule this is when the plants receive light for 12 hours and are in total darkness for 12 hours.
On average growers veg indoor plants for 4 8 weeks under an 18 6 or 24 0 light period.
However this prevents new co 2 from entering the cell blocking new growth.
Cannabis light cycle basics.
Most indoor growers provide 18 24 hours of light a day known as 18 6 or 24 0 light schedules.
While under light cannabis tries to prevent co 2 from leaving its cells by cutting off transpiration.
Cannabis is a photoperiod plant which infers the proportion of light gotten each day picks when the plant starts blossoming or growing buds this article elucidates how much light multi day your photoperiod cannabis plants need to grow and start growing so you get to a happy harvest day.
The marijuana grow schedule starts on the day you put the marijuana clones or seedlings in your growing space.
And since autoflowering plants have short vegetative phases and often grow shorter than photoperiod strains you ll typically want to give your autos at least 18 hours of light.
This is an example marijuana grow schedule suitable for indoor marijuana growers who use pre fertilized soil but it can also be used by hydro growers.
Spray your plants every day with a plant spray to keep the humidity high.
The more lighting your cannabis plant receives the better their growth and future yield.
That is where the cannabis light cycle comes in.
Additionally when plants are exposed to 18 straight hours of intense light they become stressed.
Giving your cannabis plants more hours of light each day in the flowering stage will encourage faster growth.
So seedlings should already have a few internodes and clones need to be well rooted.
Providing the right amount of light for the right time period is probable the biggest factor to.
Week 2 vegetative stage 2 weeks of stage.
This soil from foxfarm or humbolt is perfect for growing marijuana.
When a grower provides 18 hours of light a day and 6 hours of darkness this is commonly known as the 18 6 light schedule.
When marijuana plants are in the vegetative stage keep them under a minimum of 18 hours of growing light also known as 18 6.
100 of the lights on.
