The Q&A Archives: Temperature For Indoor Seed Starting

Question: I have started my seeds indoors 3 days ago. The temperature of my basement is only 60 degrees. Will my flowers still grow if the temp is below 70? I have them under grow lights but this is my first attempt at seed starting and I am nervous about losing all of my seeds.

Answer: Most seeds will germinate better or faster at a slightly warmer soil temperature, about 70 degrees. Tomatoes and peppers will really respond to the warmer soil as they prefer it about 75 degrees. For a growing area, a room temperature of 60 to 65 degrees should be fine. Keep in mind that the seeds do not need to be under the lights until they germinate, so you may be able to move them to a warmer area to germinate and then put them under the lights.

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