Peas are cool-weather crops. In most regions, plant them in February, March, or April so they mature while the weather is still cool.
Regularly picking the pods encourages the plant to produce more. How to Grow Peas - Complete Growing Guide
In the scientific community, stands for "More protein, More pea, More profit." . This refers to a diversity panel created by selecting hundreds of pea lines from the USDA collection to study seed protein and fat concentrations.