![]() ![]() PPF stands for Photosynthetic Photon Flux. WANT TO BE A REAL PLANT NERD? Learn about the specific light measurements, meanings, and acronyms Grow Light Power (PPF) Since this is so close that you're likely to burn the leaves by touching them, we'd suggest you don't even bother trying fruiting plants if you're using this sort of light. ![]() At the 10W end of the chart you'll notice that the light would need to be within an inch or two in order to deliver enough light intensity. Grow lights without lenses/optics really don't make much sense here. This is because of the higher light intensity these plants need. You'll notice that the distances in this second chart are overall much closer. Grow Light Placement for Fruiting & Flowering PlantsĪnd here's the same chart for Fruiting & Flowering plants like peppers & tomatoes Or if you were using something more powerful like the Vita Grow Light (which also has optics) then 8.5 - 11" is going to be more appropriate.If you have a ~10W grow light with a lens (like our compact grow light ) then you'd want it 7-9" from the foliage.The chart below summarizes typical grow light placement for various types of E26 screw in grow lights. ![]() Grow Light Placement for Lettuce and Leafy Greens As the seedlings mature and begin growing true leaves you can raise your grow light.Īs plants such as tomatoes mature and reach their flowering and fruiting phases they may need both a higher light intensity and DLI, which could mean your grow light is closer to plants and/or you run the lamp longer. Seedlings typically need a DLI of around 10-15 Mol/m2/day, which falls into the medium light category but you'll typically need to place grow lights close to seedlings to prevent over-stretching. Plants at different stages of development will need different intensity (PPFD), light duration (photoperiod), and overall light quantity (DLI). How Plant Maturity Stage Impacts Grow Light Placement The diagrams below will help make this point a bit clearer. All else equal, a grow light with optics can be placed further away. This is usually achieved with some sort of reflector, light-concentrated lens, or optics. You'll notice that some grow lights just have 'naked' or exposed LED chips, which are basically throwing light in all directions, while others emit a much more concentrated array of light - which results in a higher intensity of light, or PPFD ( scroll down for all lighting definitions!) hitting the plant. How Beam Width Impacts Grow Light Placement This is irrelevant for plants, and we recommend ignoring it. Note that some manufacturers attempt to mislead consumers by quoting an "effective" wattage. But that always depends on the quality and efficiency of the individual grow light.Īll else equal, higher wattage bulbs will be placed further from the plant and low wattage bulbs need to be placed closer. Generally speaking, more watts (energy consumed) translates to more plant available light energy. To put it plainly, you'll typically place your grow lights further away from low light plants and closer to high light plants. Dwarf and miniature varieties produce well at the lower range of 20 Mol/m2/day while larger slicing tomatoes will need 30 Mol/m2/day. And just like the sun loving indoor plants, flowering and fruiting edibles such as peppers and tomatoes also need "full sun" conditions with a DLI of 20-30 Mol/m2/day. When you're growing vegetables and herbs indoors, such as lettuce, herbs and leafy greens you'll need to provide medium to high light conditions typically between 15-20 Mol/m2/day. a DLI of 3-4 Mol/m2/day), Monstera actually grow much better with medium light levels with a DLI between 10-15 DLI o f 3-4 Mol/m2/day, and sun lovers such as fiddle leaf fig really want a DLI of between 20-30 DLI Mol/m2/day. While prayer plants and ferns can survive and thrive at low light levels (i.e. Popular foliage plants, such as Ficus (fiddleleaf fig), Monstera (Swiss cheese plant), Philodendron, Anthurium, Calathea & Maranta (prayer plant), and ferns have a wide range of optimal light levels as well as ranges for surviving versus thriving. How Plant Type Impacts the Correct Distance for Your Grow Light ![]() The goal of this blog is to help you understand the main factors that determine optimal grow light placement, so that your indoor garden can thrive. Getting the placement of your grow light correct is super important for delivering the right amount of light to your indoor garden, and having happy indoor plants.ĭepending on the type of light, and the plant you're growing, appropriate distances from plant to light can range from as little as two inches, up to two feet or more. How Far Should Your Grow Light Be From Plants? ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |