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The short answer: grow garlic by planting individual cloves, pointed end up, in fall — roughly two to four weeks before your ground freezes, or October to November across most of the US. Set each clove 2 in deep and 6 in apart in loose, well-drained soil, mulch heavily, and let the cold winter trigger bulb formation. It grows through spring, you snap off the scapes on hardneck types in early summer, and you harvest firm bulbs in June or July when the lower leaves brown. From one clove you get one full bulb.
Garlic is one of the most forgiving crops once it is in the ground, but it runs on a schedule that trips up new growers: it is planted in fall and harvested the following summer, so it occupies a bed for eight or nine months. Get the timing, the variety and the spacing right and the rest is mostly patience. We do not test-grow the tools we rank; our picks come from aggregated owner reviews and expert consensus, explained in how we rank.
Hardneck vs softneck: pick the right type first
The single most important choice happens before you plant, because the two garlic families want different climates and behave differently in the kitchen.
| Trait | Hardneck | Softneck |
|---|---|---|
| Best climate | Cold winters, USDA zones 3 to 7 | Mild winters, zones 7 to 10 |
| Cold requirement | Needs a hard chill to bulb well | Tolerates but does not require deep cold |
| Scapes | Yes — an edible bonus crop | Rarely |
| Cloves per bulb | 4 to 12, large, easy to peel | 10 to 20, smaller, in layers |
| Storage life | 4 to 6 months | 8 to 12 months |
| Flavor | Complex, often spicier | Milder, classic supermarket taste |
| Braidable | No — stiff central stalk | Yes |
If you live north of roughly the Mason-Dixon line, grow hardneck: Rocambole types like 'German Red' and 'Spanish Roja' have the richest flavor, while Porcelain types like 'Music' and 'German Extra Hardy' give big, reliable bulbs that store better than most hardnecks. In the warm South and coastal West, grow softneck: 'California Early', 'Inchelium Red' and 'Silver White' bulb up without a hard freeze and keep for the better part of a year. Gardeners in the transition zone (6 to 7) can grow either, and many plant both to hedge.
When to plant garlic by zone
Garlic is planted in fall so roots establish before the ground freezes but the clove does not send up much top growth. Aim to plant two to four weeks before your soil freezes solid. In the far South, where soil never freezes, plant in late fall and, for hardnecks, buy pre-chilled cloves or refrigerate them for six to eight weeks first.
| USDA zone | Typical planting window | Harvest window |
|---|---|---|
| 3 to 4 | Late September to mid-October | Late July to August |
| 5 to 6 | Early to late October | July |
| 7 | Late October to mid-November | Late June to July |
| 8 to 9 | November to early December | May to June |
| 10 (softneck, pre-chilled) | December to January | May |
Spring planting is a fallback, not a plan. Garlic planted in spring rarely gets enough cold to split into a proper multi-clove bulb and usually produces a single round instead. If you missed fall, plant as early as the soil can be worked and accept smaller results, or save the cloves and wait for the correct window.
Preparing the bed
Garlic is a heavy feeder that hates wet feet, so soil prep pays off directly in bulb size.
- Drainage first. Garlic rots in soggy ground over winter. If your soil is heavy clay, plant in a raised bed or work in generous compost to open it up. A loose, crumbly loam is ideal.
- Feed the bed. Work 1 to 2 in of finished compost into the top 8 in, plus a balanced organic fertilizer or an all-purpose vegetable feed. Garlic wants steady nitrogen in fall and again in early spring. See the ranked options in best vegetable garden fertilizer.
- Aim for near-neutral pH. Garlic does best around pH 6.0 to 7.0. If a soil test comes back acidic, add lime the season before.
- Full sun. Six-plus hours of direct sun. Garlic in shade makes small, weak bulbs.
How to plant garlic, step by step
- Break the bulb into cloves the same day you plant, keeping the papery skin on each. Do not separate them weeks ahead — they dry out.
- Sort by size and plant only the biggest. Large cloves make large bulbs. Set the small inner cloves aside for the kitchen.
- Plant pointed end up, flat root end down. Orientation matters; a clove planted sideways or upside down grows a bent, undersized bulb.
- Set the depth at 2 in in most climates (measured to the tip), or 3 to 4 in deep in zones 3 to 5 for extra winter protection.
- Space cloves 6 in apart in rows 10 to 12 in apart. Crowding is a leading cause of small bulbs. In a raised bed, a 6-by-6 in grid works well.
- Water in once to settle the soil, then mulch.
Mulching, watering and feeding
After planting, cover the bed with 3 to 6 in of straw, shredded leaves or other loose organic mulch. Mulch moderates soil temperature over winter, prevents freeze-thaw heaving that can push cloves out of the ground, and suppresses the spring weeds that steal nitrogen. In the coldest zones, mulch is not optional.
Watering follows a clear arc. Garlic needs little water over winter dormancy but wants consistent moisture — about 1 in per week — from the time green shoots appear in spring through the bulking period in late spring and early summer. Then, roughly two to three weeks before harvest, stop watering. Letting the soil dry as the bulbs mature firms up the wrappers and improves storage. Overwatering late in the season causes stained wrappers and rot.
Feed with a nitrogen-rich fertilizer when growth resumes in early spring and again about a month later, then stop feeding nitrogen once the plants begin to bulb (around late May) so energy goes into the bulb, not more leaves.
Snapping the scapes
On hardneck garlic, a curling flower stalk called a scape shoots up from the center of the plant in early summer. Left alone, it straightens, forms a seed head and diverts energy that should be building your bulb — research and grower experience put the loss at roughly 20 to 30 percent of bulb size. Cut or snap each scape off once it has made one full loop, while it is still tender. This is a genuine second harvest: scapes are excellent chopped into stir-fries, pesto or scrambled eggs, with a gentle garlic flavor. Softneck varieties seldom scape, so there is nothing to remove.
Harvesting and curing
Timing the harvest is where many growers go wrong in both directions. Do not wait for all the foliage to die, and do not dig too early while bulbs are still small. Read the leaves:
- Harvest when the lower third to half of the leaves have turned brown and five or six green leaves remain. Each green leaf equals one intact wrapper layer around the bulb; those wrappers are what let it store.
- Loosen, do not yank. Slide a fork under the bulbs and lift gently. Pulling by the stem on dry soil can snap the neck.
- Do not wash. Brush off loose soil and leave the roots and tops on for curing.
Cure the whole plants in a shaded, well-ventilated spot — a garage, shed or covered porch, never direct sun — for two to four weeks, hung in bunches or laid on racks. The garlic is cured when the neck is dry and the outer wrappers are papery. Then trim the roots, cut the tops to about 1 in (or braid softnecks), and store in a cool, dry, dark place around 50 to 60°F. Do not refrigerate cured garlic; the cold triggers sprouting. Save your best, largest bulbs to replant next fall, and you never have to buy seed garlic again.
Common problems and fixes
| Problem | Likely cause | Fix |
|---|---|---|
| Small bulbs | Late planting, crowding, weed competition, or scapes left on | Plant on time, space 6 in, weed diligently, snap scapes |
| Single round instead of a segmented bulb | Spring planting or too little winter cold | Plant in fall; use pre-chilled cloves in warm zones |
| Yellowing leaves in spring | Nitrogen shortage or waterlogged soil | Feed with nitrogen; improve drainage |
| Rotting bulbs | Poor drainage or too much late-season water | Raised beds; stop watering before harvest |
| White fuzzy growth at base (white rot) | Soil-borne fungus, often from grocery cloves | Remove and destroy plants; do not replant alliums there for years; use clean seed garlic |
| Cloves heaved out of the ground in winter | Freeze-thaw with no mulch | Replant and mulch heavily |
Garlic slots neatly into a crop rotation because it clears the bed by midsummer, leaving room for a fall crop of lettuce or spinach. For what to plant alongside and after it, see our companion planting chart and succession planting schedule. Everything else on growing from the ground up is at the seeds and vegetable growing hub.