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Using the Grow Lights
Why use LED Grow Lights
• Grow plants during the winter for a head start on spring vegetable plants
• Grow plants that are out of season throughout the year
• Grow plants anywhere including garages, basements, closets, kitchens or
warehouses
Benefits of Supplemental Lighting
Use of a supplemental light source including LED lighting can have an impact on:
• Fruit number
• Leaf Size
• Fruit weight
• Sweetness
• Stem (diameter/length)
• Acidity
• Leaf length
• Texture
• Shoot dry weight
• Color
• Bud Size
Recommended Light to Plant Distance
Plant types are generally categorized into high or low light level plant categories.
The PAR value of a plant light equates to the amount of light energy that a plant
can absorb. The higher the PAR, the more intense the light energy a plant can
absorb facilitating accelerated vegetative and/or owering growth. Below are the
plant types and recommended optimal light energy absorption distances based
on this LED Grow Light
Full Spectrum Grow Light
16-30 in.
High light plants
i.e. cannabis, tomatoes, peppers, perennials, etc
Seedlings Stage – 6 in. thru 2 weeks of vegetative stage
Vegetative and/or Flowering Stage – 16-30 in.
Low light plants
i.e. herbs and leafy greens (such as basil lettuce)
Seedlings Stage – 12 in. thru 2 weeks of vegetative stage
Vegetative and/or Flowering Stage – 24-30 in.
FEIT ELECTRIC COMPANY | PICO RIVERA, CA | (800) 543-3348 | FAX (562) 908-6360 | www.feit.com
Plants in Vegetative Growth Stage
-The recommended growth cycle is 18 hours of light during the vegetative
growth stage. This light cycle will create an environment that mimics the
photoperiod in the summer with long days. It is during the vegetative growth
stage that cloning, transplanting, pruning, and bending are all initiated.
-Turn your LED grow light ON for 18 hours a day and then turn the light OFF and
leave your plant in the dark for another 6 hours. Most plants will need four to
six weeks in the vegetative cycle before reaching the start the owering stage.
Plants in Budding and Flowering Growth Stage
-Pre- owers are the rst indication that the plant is ready to move into the
budding and/or owering stage of growth.
-The pre- owers grow at branch internodes just behind the leaf spur typically
around the fourth week of vegetative growth, when the plant is six to eight
weeks old.
NOTES:
• If LED grow light is installed as ush mount xture under a cabinet
or canopy where distance cannot be adjusted, mount at the min of
24 in. distance
• If LED grow light can be hung from a ceiling, cabinet or canopy, use
the supplied hanging assembly or purchase separately a chain to
adjust height of LED light to maintain the recommended distances
as the plant grows
• For taller plants including tomatoes and cannabis, mounting one (1)
grow light overhead and one (1) grow light as a side light on either
side of the
plant will provide additional supplemental light
supporting fuller plant growth for a bushy plant.
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