Garlic is one of the most rewarding crops you can grow in your garden. It takes up very little space, requires minimal attention throughout its growing cycle, and a single planting in fall can yield dozens of bulbs by the following summer. Whether you want to grow pungent hardneck varieties with beautiful curling scapes or mild softneck types that braid beautifully for kitchen storage, this guide walks you through every step from planting to harvest.
Choosing the Right Garlic Variety
There are two main types of garlic: hardneck and softneck. Understanding the difference is essential for choosing the right variety for your climate and cooking preferences.
Hardneck garlic (Allium sativum var. ophioscorodon) produces a stiff central stalk called a scape and typically grows 4 to 12 large, easy-to-peel cloves per bulb. It thrives in cold climates (zones 3 through 6) and produces more complex, robust flavors than softneck types. Popular hardneck varieties include Music, German Extra Hardy, Chesnok Red, and Purple Stripe. Hardneck garlic also produces edible scapes in late spring — curly green shoots that taste like mild garlic and are a delicacy in stir-fries and pesto.
Softneck garlic (Allium sativum var. sativum) does not produce a scape and instead forms a flexible stem that is perfect for braiding. Each bulb contains 10 to 20 smaller cloves arranged in multiple layers. Softneck varieties perform best in milder climates (zones 5 through 10) and store longer than hardneck — often lasting 9 to 12 months in proper conditions. Popular softneck varieties include California Early, Inchelium Red, and Silver White.
When to Plant Garlic
Garlic is best planted in fall, typically 4 to 6 weeks before your first hard frost date. This gives the cloves time to develop strong root systems before the ground freezes, without sending up too much top growth that could be damaged by winter cold. In most of the United States and Canada, this means planting between mid-September and late November depending on your zone.
For zones 3 to 5, plant in mid-September to mid-October. For zones 6 to 7, plant from mid-October to early November. For zones 8 to 10, plant in November or even early December. Southern gardeners in zones 9 and 10 should choose softneck varieties and may want to refrigerate their seed garlic for 6 to 8 weeks before planting to simulate the cold period that triggers proper bulb development.
How to Plant Garlic Step by Step
Start with high-quality seed garlic from a reputable supplier. Grocery store garlic is often treated with growth inhibitors and may carry diseases, so it is not recommended for planting. Break each bulb into individual cloves no more than 24 to 48 hours before planting — keeping the papery skin on each clove intact. Choose the largest, healthiest cloves for planting, as bigger cloves produce bigger bulbs.
Prepare your planting area by working 2 to 4 inches of compost into the top 8 inches of soil. Garlic grows best in loose, well-draining soil with a pH between 6.0 and 7.0. Heavy clay soils should be amended with compost and coarse sand to improve drainage, as garlic bulbs will rot in waterlogged conditions.
Plant each clove pointed end up, 2 inches deep and 6 inches apart, in rows spaced 12 inches apart. After planting, apply 4 to 6 inches of straw or shredded leaf mulch over the entire bed. This insulating layer protects the cloves from freeze-thaw cycles in winter and suppresses weeds in spring. Water the bed thoroughly after planting to settle the soil around the cloves and encourage root development.
Caring for Garlic Through the Seasons
In early spring, green shoots will push through the mulch. This is an exciting sign that your garlic survived the winter and is actively growing. At this point, begin watering regularly — garlic needs about 1 inch of water per week during the active growing season. Feed with a nitrogen-rich fertilizer (like blood meal or fish emulsion) when shoots first emerge and again 3 to 4 weeks later to support vigorous leaf growth.
Each leaf on a garlic plant corresponds to one wrapper layer around the bulb, so more leaves mean better-protected bulbs in storage. Stop fertilizing by late spring when the plants shift energy from leaf production to bulb development. In late May or early June, hardneck varieties will send up scapes — cut these off when they form one full curl to redirect the plant’s energy into bulb growth. Save the scapes for cooking.
Stop watering 2 to 3 weeks before harvest to allow the outer bulb wrappers to dry down. This is critical for good storage quality. Continuing to water late in the season produces stained, poorly wrapped bulbs that will not store well.
When and How to Harvest Garlic
Garlic is typically ready to harvest in mid-summer, about 8 to 9 months after fall planting. The key indicator is the leaves: harvest when the bottom third to half of the leaves have turned brown and dry while the upper leaves are still green. If you wait until all leaves are brown, the bulb wrappers may have deteriorated underground, reducing storage life.
To harvest, loosen the soil around each bulb with a garden fork inserted several inches away from the stem. Gently lift the bulbs — never pull them by the stem, as this can damage the neck and invite disease during curing. Shake off loose soil but do not wash the bulbs or remove the outer wrappers.
Curing and Storing Garlic
Proper curing is essential for long-term storage. Hang the freshly harvested garlic in bundles of 8 to 10 plants in a warm, dry, well-ventilated area out of direct sunlight — a covered porch, garage, or garden shed works well. Allow the bulbs to cure for 3 to 4 weeks until the wrappers are papery dry, the roots are brittle, and the stem is completely dry.
After curing, trim the roots to half an inch and cut the stems to 1 inch above the bulb (unless you are braiding softneck varieties). Store in mesh bags, open baskets, or paper bags in a cool, dark place with temperatures between 55 and 65 degrees Fahrenheit. Properly cured softneck garlic can last 9 to 12 months, while hardneck varieties typically store for 4 to 6 months.
Common Garlic Problems and Solutions
Garlic is relatively pest-free, but a few issues can arise. White rot is the most serious fungal disease — it produces a white fluffy mold at the base of the plant and can persist in soil for decades. Prevent it by rotating your garlic to a new bed every year and never planting garlic or onions in the same spot for at least 4 years. Garlic rust appears as orange pustules on the leaves in late spring and is mostly cosmetic, though severe infections can reduce bulb size. Improve air circulation by spacing plants properly.
Onion thrips and nematodes can occasionally bother garlic. Interplanting with strong-scented herbs like rosemary and thyme helps deter thrips, and adding beneficial nematode products to the soil before planting provides biological control. Avoid overwatering and ensure good drainage to prevent most root diseases.
Frequently Asked Questions
Can I plant garlic in spring?
You can, but spring-planted garlic typically produces much smaller bulbs because it misses the cold vernalization period that triggers proper bulb division. If you must plant in spring, do so as early as the ground can be worked and choose softneck varieties for the best results.
How much garlic can I grow in a small space?
Garlic is incredibly space-efficient. A 4×8-foot raised bed can hold about 64 cloves planted at 6-inch spacing, yielding roughly 64 bulbs — enough garlic for a family of four for an entire year.
Can I save garlic from my harvest to plant next year?
Absolutely. Saving your largest, healthiest bulbs for replanting is how garlic varieties adapt to your specific growing conditions over time. Set aside your best bulbs at harvest time and store them in a cool, dry place until planting time in fall.