Allium sativum, commonly known as garlic, is a bulb vegetable that grows in a similar fashion to onions. Allium sativum is used as a popular seasoning and contains protein, starches, potassium and vitamin C. Garlic is easy to grow and is ready for harvest in just three to four months. You should plant your garlic bulbs in spring, after all danger of frost has passed. You can simply purchase a garlic bulb from your local grocery store or market to grow your own garlic. As the garlic grows, the bulbs will multiply in the ground.
Prepare the planting site by spreading 2 inches of organic compost over the soil and working it into the soil with a pitchfork or rototiller. Loosen and mix the soil to a depth of about 6 to 12 inches.
Separate the garlic bulb's cloves or "bulblets." Plant the individual garlic cloves about 2 inches deep into the soil, spacing them 4 to 6 inches apart.
Water your growing garlic at least once or twice each week to supplement rainfall. Water deeply to moisten the soil down about 6 inches, and don't allow the soil to dry out.
Harvest the garlic bulbs in summer when the foliage begins to wilt and die. Dig gently into the soil using a fork and extract the bulbs. You can save one or two bulbs for replanting the following year and eat the rest.
Hang the garlic bulbs in a well-ventilated area. Allow them to dry for about two weeks.