UW–Madison scientists found where photoreceptors act in seedling stems, showing how plants detect light and adapt their ...
Susan keeps the lights about 2 to 4 inches above the seed trays when sprouting, and moves the lights higher as the plants grow. Use an extension cord of suitable gauge for the distance between the ...
High Intensity Discharge (HID) lights get quite hot, so if you go this route, position the bulbs a good distance from your plants so they don’t get heat damage. In case you didn’t know ...
In Fielding Questions, readers also asked about where to find a perennial salvia and how to help cuttings root.
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