Understand Optimal Temperatures for Indoor Growing

July 12, 2018

Depending on the crop you’re growing, temperatures that are too hot or too cold can hinder growth and development. Every type of plant has an optimal temperature range for producing healthy foliage and flowers.

Lettuce flowers can be quite pretty ---but they mean your harvesting days are over.
PC: Leslie F. Halleck

If you grow a cool-season crop such as spinach or broccoli in temperatures that are too warm or with daylengths that are too long, the plants will bolt. If you have ever harvested bitter-tasting lettuce, temperatures were too hot for your plants.

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