The disadvantage of flowering under fluorescent lighting is the lack of light intensity and penetration. This makes the Screen of Green ScrOG method ideal as you can train the flowering tops to create a level canopy close enough to the light. Although they run much hotter and use more electricity, they produce plenty of light for plants to thrive and build thicker flowers. Have a grow question? Ask away at deardanko hightimes. While you can use any type of tube or bulb and see results, you want to provide the kind of light your plants want most.
If your garden is large enough to warrant a larger T5 tube fixture, go with that. And perhaps supplement the light with a few CFLs, especially for plants with high light requirements, like weed.
Amazon has a bunch of CFL bulbs, too. There is no need to get a specialized and overpriced grow bulb. For T5 fixtures, I recommend the Agrobrite line from Hydrofarm pictured above. We reviewed them here , but the quick summary is that they cost about the same as most no-name fixtures from China, but work far, far better. You can use regular fluorescent bulbs from any local store, but for larger fixtures like this, it make more sense to buy from a company specializing in horticultural lighting.
And Hydrofarm is the biggest name there is. Flowering plants, like cannabis, need more and different light than non-flowering plants. But only during the latter stages of growth. In the beginning, flowering plants need the same light as non-flowering plants. When they are seedlings and when they are growing vegging , they need light that contains more blue than at other times.
It is the kind of light our sun gives off naturally during daylight hours. When the plants have grown enough to begin fruiting or flowering, they need more light than before and they prefer a warmer light, i.
So if you are growing tomatoes indoors with artificial light or cannabis, of course , how can you give them the light they need with fluorescent bulbs? They will have a color temperature usually indicated on the package in the range of K to K. And if that is the case, you should not be using fluorescent lighting anyway, as the disadvantages outweigh the advantages once a grow gets too large. These bulbs will work fine for all stages of growth. In reality, any bulb will work for any stage, but using bulbs that provide the right kind of light yields much better results.
In most cases, you will want to supplement the light you use during vegging with some additional bulbs. Personally, I just hang a few CFL bulbs warm light here and there to add some more output and really stimulate flower and bud production. If you are unsure how many CFLs you need, this article will help. No need to switch lights. This article reviews the best T5 bulbs for vegging.
As mentioned above, when it comes to compact fluorescent lamps, I would not worry about getting a dedicated grow bulb. They cost a lot more, but are basically the same as a regular CFL bulb.
As for which brands are best, follow the links provided above to see my recommended bulbs for each color temperature.
I like those lamps, because they offer the best value for money. Check out the DIY threads as they have some great cost saving ideas.
Growing weed is growing weed. Never overcomplicate things and be happy with what you get. All great things come with time. Enjoy your first homegrown goodies. IcantGrow Member. RecklessLemming Member. See this is where my knowledge of lighting fails to help me answer a question like this.
A K lamp is going to be heavy in the red, orange and yellow light wavelengths and short on the blues and greens. Is that the preferred spectral distribution when you're in the flowering stage or do you want to approximate the full spectrum of natural sunlight which would be closer to this:.
NS Member. Sure you can flower 'em w a fluorescent tube fixture. You could probably flower 'em with a strong enough flashlight if you had to. Its all a matter of yield. Those fluorescents are a good start, but I'd really try 'n get an HID in there too. My suggestions for a low-buck setup is Its all B. So quality of light versus quantity of light, I'm sure it's a delicate balance.
If I was a plant attempting to grow indoors under artificial light I'm sure I'd be craving a quantity of light with properties that most closely imitate the natural seasonal sunlight that inherently triggers my instincts to propagate before I die.
These sound like natural female motivations from carefully selected feminized plants best understood by nurturing people. That's the problem with all this. At the heart of it I'm a technologically oriented male whose core motivation is to try andcontain my base impulses to rape and pillage this poor plant until such time that it can provide me with maximum enjoyment.
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