I have a raised bed garden and several plants have recently died while others around them did not - one green bean plant, one bell pepper plant and 2 tomatoes. These were in separate boxes and just started drooping even after the recent rains. The soil in the area was damp, so it wasn't from lack of water. All of these plants have like kind plants nearby which still look healthy. I am trying to pinpoint the cause. The more recent one, the tomato plant, appeared to have healthy roots, when I pulled it up.