EVERYDAY SCIENCE

Detailed explanation-1: -In general, foliage plants grow best between 70 degrees and 80 degrees F. during the day and between 60 degrees to 68 degrees F. at night. Most flowering plants prefer the same daytime temperature range, but grow best when nighttime temperatures range from 55 degrees to 60 degrees F.

Detailed explanation-2: -Extreme heat stress (even in the presence of adequate soil moisture) can cause a reduction in plant stomatal conductance, which reduces plant transpiration rate, causing reductions in plant productivity and yield.

Detailed explanation-3: -In particular, temperature is a critical factor affecting plant growth. Each plant species has a suitable temperature range. Within this range, higher temperatures generally promote shoot growth, including leaf expansion and stem elongation and thickening. However, temperatures above the optimal range suppress growth.

Detailed explanation-4: -Thus, plants should generally be grown at warm temperatures of 70°F to 75°F to avoid excessively long production times. By growing cold-sensitive crops at warm temperatures, you can actually reduce the amount of energy used for heating-on a per-crop basis-than if they were grown at cooler temperatures.