I have these timer lights for my most important houseplants that don't need a lot of light. They responded well to light. The light warms up a little, so more water is needed. I probably wouldn't recommend them for plants that need a lot of light (unless placed directly above), but I would recommend them for extra light or light for less needy plants. Although the bulbs have a blue cast. , they glow with the warm/natural color of daylight (4800K I think).
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