Gardening with perfect temperatures - Knowledgebase Question

Atlanta, Ge
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Question by sabura_1
January 4, 2011
My research tells me that temperatures need to reach at least 40 degrees before planting my lettuce. Is this day or night temperature that they're speaking of?


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Answer from NGA
January 4, 2011
It's actually soil temperature! You can guess at the soil temperature by observing the plants around you. Weeds grow at that temperature, as does turfgrass. So, if you see winter weeds sprouting in your garden or grass blades elongating, the air and soil temperature is warm enough to plant lettuce. Hope this information is helpful!

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