Black Light For Growing Weed

In 2010 we created the first led plant light incorporating a full spectrum from uv to nir originally with 3w leds but now exclusively with high power 5w diodes producing the most powerful and high yielding full spectrum commercial grow lights.

Black light for growing weed.

In particular it s good for producing foliage. To get the most out of using a black light for growing weed engage it in the last 2 3 weeks of flowering. This yellow light helps encourage intense bud production. But anything short of a pitch black dark cycle with no light pollution for the duration will suffice for photoperiod strains.

Black lights will not work for growing cannabis. Metal halide grow lights produce light by arcing an electric current through mercury gas mixed with some sort of metal iodide such as thallium thorium or sodium. As one of the oldest led grow light manufacturers black dog led is responsible for many of the innovations that have made leds truly viable for replacing traditional grow lights. The short and simple answer to this question is no you cannot grow weed with a black light.

A black light simply does not have the properties which a weed plant requires to grow big strong and healthy. High pressure sodium or hps grow lights are far more efficient than other forms of hid. This will kick the plant in the behind when it is already fully matured and ready to make tons of resin. The light that it produces falls into a perfect range of the color spectrum for the growing phase of cannabis.

They do not produce the correct spectrum of light to grow plants. High pressure sodium grow lights. Cannabis plants can handle this. July 9 2020 led grow light technology has been improving rapidly especially in the last 1 2 years.

Although just about any led grow light even the worst ones can grow good weed some newer models developed specifically for cannabis are getting better yields density and plant growth rates than older and generic models. It allows you to configure the eventual size of your harvest more precisely. This can stress a female plant into an intersex plant. Light leaking into the grow op when the grow lights are off will stress plants and disrupt flowering.

There are various reasons why a black light simply won t do so let s go over the most important factors 1.