Beans can be grown in average soil, almost anywhere in the United States. They grow best if the soil is well drained and the summer is consistently warm. Seeds will rot in the ground in cold, damp weather. Since Beans are subject to downy mildew, they should not be grown where there are cold summer fogs.
When to Plant
After the soil is sufficiently warm - temperatures above 75 degrees. Beans are easily killed by frost. Plan on an average of 10-20 plants per person.
Some gardeners recommend pre-soaking seeds prior to planting, but research indicates soaked seeds absorb water too quickly, causing the outer coats to spill out essential nutrients, which encourages seed rot. Yields can increase 50-100% by inoculating with Rhizobium bacteria. To inoculate, simply roll seeds in the powder prior to planting ... learn more