The area at the base of the stem, where it meets the bulb, is indeed vulnerable. If the bulbs are still small and far from ready to harvest, you might want to cover them with a light mulch that will simultaneously protect it, keep moisture in, suppress weeds, and allow air circulation.
The area at the base of the stem, where it meets the bulb, is indeed vulnerable. If the bulbs are still small and far from ready to harvest, you might want to cover them with a light mulch that will simultaneously protect it, keep moisture in, suppress weeds, and allow air circulation.