08/05/2026
A single head of garlic from the grocery store contains eight to twelve cloves. Each clove planted in fall produces a full new head of garlic by the following summer. One three-dollar purchase becomes eight to twelve heads β and each of those heads contains eight to twelve cloves that can be planted again the following fall. The multiplication is exponential. Year one: one head becomes ten. Year two: ten heads become a hundred. By year three you have more garlic than you can use and enough to give away to every neighbor on the street. πΏ
Garlic is the only common vegetable that is planted in fall, grows through winter, and harvests in summer. The cloves go into the ground six to eight weeks before the first hard freeze β typically October in most US zones. They develop roots through fall, go dormant through the coldest months, and resume growing in late winter when day length triggers the hormonal signal that drives bulb development. The long cold period is not a survival test β it is a requirement. Garlic needs twelve to sixteen weeks of temperatures below forty degrees to trigger the bulb division that turns one clove into a full head. Without vernalization, the clove produces a single round undivided bulb instead of the multi-clove head you planted it for.
Six steps from one grocery store head to a permanent garlic supply:
Choose the right garlic. Grocery store garlic works β but it may be a softneck variety from California or imported from China, which performs adequately but not spectacularly in most US gardens. For the best results, buy seed garlic from a regional nursery or garlic farm: hardneck varieties like Rocambole, Porcelain, and Purple Stripe produce larger cloves, stronger flavor, and edible scapes (the curling flower stalks that appear in spring and are a culinary bonus worth growing garlic for on their own). Softneck varieties like Silverskin and Artichoke store longer β up to ten months β and braid well for hanging storage.
Separate the head into individual cloves the day before planting. Do not peel them β the papery wrapper protects the clove during the rooting phase. Select the largest healthiest cloves from the outer ring of the head for planting. Small inner cloves produce smaller heads. Save the runts for cooking.
Plant cloves pointed end up, two inches deep, six inches apart, in rows twelve inches apart. The pointed end is the shoot end β it faces the sky. The flat basal plate is the root end β it faces down. Orientation matters: an upside-down clove wastes energy curving its shoot around to reach the surface and produces a smaller misshapen head.
Mulch immediately after planting with four to six inches of straw, shredded leaves, or clean hay. The mulch insulates the soil through winter temperature swings, suppresses weeds in spring, and retains the consistent moisture garlic needs during the spring bulb development phase. Garlic planted without mulch in northern zones is more susceptible to frost heaving β the freeze-thaw cycle that pushes cloves out of the ground and exposes them to killing cold.
Spring care is minimal. When green shoots push through the mulch in late February or March, the garlic is actively growing and needs consistent moisture through the bulb development period from April through June. Water weekly if rainfall is less than an inch. Stop watering two weeks before harvest β the drying period toughens the outer wrappers for storage.
Harvest scapes first if growing hardneck varieties. The curling green flower stalks that appear in late May or early June should be snapped off when they make one full curl. Removing the scape redirects the plant's energy from flower production to bulb development, increasing final bulb size by up to thirty percent. The harvested scapes are a delicacy β grill them, chop into pesto, sautΓ© in butter, or pickle them. They taste like mild garlic with a tender green bean texture.
Harvest the bulbs when the lower third of the leaves have browned and the upper two-thirds are still green β typically late June through mid-July depending on your zone. Pull or dig the bulbs gently. Do not wait until all the leaves are brown β by then the outer wrappers have split in the soil and storage life is shortened.
Cure the harvested bulbs by hanging them in bundles or spreading them in a single layer in a warm shaded spot with good airflow for two to four weeks. The outer wrappers dry and tighten. The neck closes. The sulfur compounds that give garlic its flavor and storage longevity concentrate during curing. A properly cured bulb stored in a mesh bag in a cool dry room lasts six to eight months β longer than any garlic you can buy.
Replant. Set aside the best ten to twelve heads from the harvest β the largest bulbs with the best wrapper coverage and the fattest cloves. These become the seed stock for fall planting. The cycle is permanent: plant in October, harvest in July, cure through August, replant in October. One head becomes ten becomes a hundred becomes more garlic than you know what to do with.
The cost comparison: one head of grocery store garlic costs two to three dollars. Ten heads at harvest β if purchased β would cost twenty to thirty dollars. A hundred heads in year three would cost two hundred to three hundred dollars. The initial investment was three dollars and one afternoon of planting. Every year after that, the garlic pays for itself from the previous harvest. π±
One head. One fall afternoon. A permanent garlic supply that multiplies every year