Answer: As long as you keep (kept) the seed bed moist, the seeds should have sprouted regardless of the weather. Lettuce seeds are tiny and if you planted them too deeply or if you allowed the soil to dry out, the seeds will die. I usually prepare the planting bed and then place about a half inch of sand on top of the soil where I'm going to plant lettuce seeds. The sand will help keep the seeds moist and water from the hose won't bury them in the soil where they can either drown or dry out. Give this a try and plant in mid-September or early October and you should have plenty of time to harvest your lettuce before the weather turns too cold.
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