Growing Garlic




Allium sativum


This is a perennial plant, from the south of Europe. The root is composed of from ten to fifteen small bulbs, called “cloves,” which are enclosed in a thin, white, semi-transparent skin, or pellicle. The leaves are long and narrow. The flower-stem is cylindrical, about eighteen inches in height, and terminates in an umbel, or group, of pale-pink flowers, intermixed with small bulbs. The seeds are black, and, in form, irregular; but are seldom employed for propagation; the cloves, or small bulbs, succeeding better.

Planting and Cultivation. — Garlic grows best on friable (crumbly) loamy soils that are fertile and high in organic matter. Gardeners who can grow onions can grow garlic since the culture is similar. Garlic does well with high amounts of fertilizer. As a general recommendation, apply three pounds of 10-10-10 fertilizer per 100 square feet. Follow soil test recommendations for your particular garden soil. The soil must be kept evenly moist as dry soil will cause irregularly shaped bulbs. Heavy clay soils will also create misshaped bulbs and make harvesting difficult. Add organic matter, such as well-rotted manure or compost to the soil on a yearly basis to keep it friable.

Garlic must be planted very early (March or April) to permit full leaf development. Later spring planting is not successful. It has been found that long days and warm temperatures favor bulb development in the garlic plant. As soon as bulbing starts, leaf initiation ceases. For highest yields, therefore, the cloves must be planted early enough to permit the development of large vegetative plants during the short cool days of March and April. The yield potential of the plants depends on the amount of vegetative growth before bulbing commences. Select only larger outer cloves for the best garlic. Garlic seed is not available and is rarely produced by plants. Be sure that the cloves are free of disease and are smooth and fresh.

Plant garlic cloves three to five inches apart in an upright position in the row and set them at a depth of one-half to one inch deep. Setting the bulbs in an upright position ensures a straight neck. Be sure to allow 18 to 30 inches between the rows. Do not divide the bulbs into cloves until you are ready to plant since early separation results in decreased yields.

Harvesting. — The bulbs may be harvested when the tops start to dry. This is usually in August. Bulbs should be dug up rather than pulled to avoid stem injury. Allow the tops to dry. After the bulbs have dried, the tops and roots can be removed with shears to within an inch of the bulbs. It is essential that the garlic be well cured before going into storage. The mature bulbs are best stored at 32 degrees F. Garlic stores well under a wide range of temperatures, but sprouts are produced most quickly at temperatures at or above 40 degrees F. The humidity in storage should be near 65 to 70 percent at all times to discourage mold development and root formation. Cloves should keep for six to seven months.

Uses.–It is cultivated for its bulbs, or cloves, which possess more of the flavor of the garlic than any other alliaceous plant. These are employed in soups, stews, salsa, sauces and other dishes. It can also be roasted and served with bread and olive oil.


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