I am trying to keep my broccoli plants from broccoli plants from bolting. I've read that a thick layer of mulch will help keep the roots cooler. Is there any particular type of mulch that is best used for this purpose? Also, how often should Broccoli be watered during excessively hot weather? Normally all of my vegetable garden gets watered twice a day, (early morning and evening, after the sun goes down).
What Type of Mulch Is Best for Use in My Broccoli Planter?
Here are tips on preventing broccoli from bolting: https://www.gardeningknowhow.com/edible/vegetables/broccoli/bolting-broccoli-growing-broccoli-in-hot-weather.htm
Mulching is an important strategy. Some aspects of mulching -- https://www.gardeningknowhow.com/garden-how-to/mulch/benefits-of-using-mulch.htm
Some people think that the best for keeping vegetables cool is straw mulch or shredded leaves; pine straw could also be good if your soil is not already acidic.