Monday, January 6, 2020

How many hours a day should grow lights be on? 420 Guide for Beginners

Lighting can pose the greatest obstacle when trying to grow plants successfully indoors, especially if you don’t have a window that lets in plenty of sunshine. Plants require more time in the light when grown under plant lights, but determining how much depends on individual plant needs, the light intensity and the type of lighting you provide.
Cannbis plants have two life stages:
1.) Vegetative — Seedling or clone leads to Vegetative Stage
  • Give 18–24 hours of light a day (indoors)
  • Cannabis grows only stems and leaves
2.) Flowering — Flowering (Budding) Stage leads to Harvest
  • Give at least 12 hours of uninterrupted dark each day (short days)
  • Cannabis starts growing flowers/buds
The first stage, “Vegetative” begins when marijuana plants first sprout, at the beginning of their life.
Most indoor growers give their cannabis plants 18–24 hours of light a day during the vegetative stage. The exact number of hours needed to keep a plant in the vegetative stage is dependent on the strain, but 18+ hours/day will keep basically all cannabis plants in the vegetative stage.
Why Plants Need Both Light and Darkness:
In nature, plants thrive when they take root in advantageous locations. Plants that need 8–12 hours of daily sun will perform poorly, or even die, when they take root in a shady location.
Growing plants indoors provides the benefit of controlling the elements a plant requires for optimal growth, namely food, water, and light.
Folks, it is possible to leave your cannabis grow lights on for 24 hours a day in the vegetative state of growth. Yes, your marijuana plants will grow fairly large and there will be an increased amount of foliage present, as well as stem height achieved.
Although, the problem is that most plants, including pot plants, do benefit from a light/dark cycle, or in other words, they are generally healthier and stronger when they receive some dark.
On that same note, during the flowering stage of growth, a weed plant needs 12 hours of light and 12 hours of dark in order to flower properly and produce big and potent buds, ones that will be ideal for smoking, making edibles with, and whatever else.
A massive 1016 pcs. LED grow light by MARS HYDRO, the TS 3000W is a powerful full spectrum wideband LED grow light made to imitate natural sunlight. Enjoy the benefits of wideband IR lighting at an economical price. Producing a very high PAR output while only pulling 450 watts from the wall, the TS 3000W is a super bright LED grow light for veg and flowering that runs quiet & cool without any onboard fans. The new SMD LEDs are highly efficient and provide great light spread in the grow room or grow tent.
DormGrow is a trusted brand, and the quality is worth the price. With 8 bands these lights offer a reasonable amount of coverage and run very efficiently. These lights are intended to take you through both the vegetative and blooming stages with a substantial amount of penetration.
The Advanced G8LED G8–600 is one of the few light systems to penetrate through your growth as plants reach larger heights. Additionally, they’re attempting to continue experimenting with LED technology.
These lights come with a bit of advice from DormGrow, the manufacturer suggests adding 90-watt red bulbs when your plant’s flower. The claim here is that adding the red light is economical, and effective. Although there isn’t a ton of science to back up this statement, the growing community is adopting the practice nonetheless.
Conclusion
There is no better way of boosting your indoor cannabis growing than using a good quality full spectrum LED grow light.
Unlike traditional fixtures, full-spectrum lights ensure your plants receive all the useful wavelengths from UV to far-red.
Modern designs come with two modes of operation: vegetative and bloom. A true innovation in indoor lighting for optimum growth and higher yields.
The best led grow lights have both the full spectrum and higher nanometer ranges of color for all growth stages.

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