Leave a few leaves surrounding head when harvested to prolong keeping quality. This is caused by cauliflower maturing during hot weather. It is difficult to make heads from late plantings because the plants are exposed to too much hot weather. Use starter fertilizer and ample preplant fertilizer on transplants. Do not crowd the cauliflower transplants.
Purple cauliflower is actually a type of broccoli that is purple.
It resembles cauliflower's appearance and does not require blanching. The purple head turns green upon cooking. This condition is caused by downy mildew, which is brought on by wet conditions. It can be controlled by a suggested fungicide. A. Cauliflower will not grow well when temperatures average above 75 degrees F or when winter temperatures drop below 25 degrees F. Cauliflower requires constant moisture, high fertility levels and moderate temperatures.