Some say no vegetable is easier to grow or harvest.
Plant the garlic in the fall,
Early June, our garlic started producing seed scapes. These start off straight, and then curl into loops as in the following image. We remove these when they curl, and use them fresh in garlic pesto and other recipes. They are really good, and just as powerful as clove garlic. It is a great to have fresh garlic even before the cloves are ready to harvest.
Note: Garlic scapes are fantastic baked with a little oil and salt. We ate them like finder food. Mmmm good.
When the garlic leaves lower (and outer layer covering the bulb) are dead and dry, and the rest of the plant appears dry, the garlic is ready to harvest. Gently remove the bulbs from the ground. You do not want to smash or damage the integrity of the bulb and enclosed cloves. Let the entire plant dry out of the sun for several days. The stem and leaves should become completely brown and dry. The roots under the bulb should be completely dry as well.
At this point, you can cut off the stem leaving a few inches above the bulb. Keep the bulb intact till you plan to use the garlic cloves. Select the largest bulbs / cloves for your seed cloves. These will be planted in the same fall for next years harvest.