What is the acceptable temperature variance for growing cool season crops?

For cool season crops, the acceptable temperature variance typically lies between 5° to 10° C. This range is critical for ensuring optimal growth, as cool season crops thrive in moderate temperatures and can suffer from stress if temperatures deviate significantly outside this range.

Cool season crops include species such as kale, broccoli, and peas, which generally prefer cooler air temperatures for optimal germination and growth. They can tolerate low temperatures and even frost, but maintaining temperatures within this variance helps to promote healthy growth, efficient nutrient uptake, and minimizes the risk of diseases that can be exacerbated by temperature fluctuations.

Understanding the optimal temperature window allows growers to plan planting times and manage environmental conditions effectively to ensure successful cultivation of these crops.