Grow Q&A: Can I Flower My Pot Plants With Fluorescent Lights?

T5 Fluorescent lights over motherplants.

Dear Dan,
Just wondering if you would use a T5 to flower a pot plant? – Raymond M.

Dear Raymond,
Yes, you can use a T5 fluorescent light to flower a pot plant. The benefits of using this type of lighting is the lack of heat that they generate. Because they’re not super-warm, you can place your plant tops within just a few inches of the light. 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.

My recommendation, however, is to grow under High Intensity Discharge (HID) lighting such as High-Pressure Sodium (HPS) or (Metal Halide) systems. Although they run much hotter and use more electricity, they produce plenty of light for plants to thrive and build thicker flowers. If you’re interested in a bigger yield from increased light and can handle the added heat, HID lighting is ideal for indoor marijuana production.

Have a grow question? Ask away at deardanko@hightimes.com

Don’t miss our previous Grow Q&A: Can I Grow High-CBD Pot Plants Next to THC-Rich Strains?

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