When growing autoflowers, you can just leave your lights on a 18/6 schedule (18h on, 6h off) for the entire grow, and can even grow them under 24 hours of light. Which schedule is “better” is open to debate. Many growers use the 18/6 schedule, as this gives good results while using less energy than a constant 24h cycle.
Many growers find a 12/12 light cycle ideal for autoflowering plants. These plants tend to grow best in sunny environments with consistent sunlight, and the 12/12 light cycle mimics this natural cycle. Additionally, this light schedule promotes healthy growth by giving plants adequate darkness during their flowering phase.
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how many hours of light do autoflowers need
