How to Grow Garlic: From Planting to Harvest

Garlic is one of the most rewarding crops you can grow at home. It takes up minimal space, requires little attention once planted, and the flavor of freshly harvested garlic is worlds apart from anything you'll find in a supermarket. Whether you have a raised bed, a border in your yard or garden, or even a deep pot on a balcony, garlic is within reach.

Why Grow Your Own Garlic?

Beyond the incredible taste, growing garlic is satisfying in a deeply practical way. A single bulb breaks into cloves, and each clove becomes a whole new bulb. From one modest purchase you can multiply your harvest year after year — keeping the best bulbs back to replant each season.

Garlic is also a fantastic companion plant. It deters aphids and other common pests, making it a welcome addition to any vegetable patch or raised bed.

Choosing the Right Variety

Garlic falls into two main types: hardneck and softneck.

Hardneck garlic produces a flowering stalk (called a scape) and has richer, more complex flavor. It stores for around 4–6 months. It performs best in cold climates (USDA Zone 3–7; RHS Zone H6–H4).

Softneck garlic has a milder flavor and stores exceptionally well — up to 12 months. It does better in mild, warm winters (USDA Zone 7–9; RHS Zone H3–H1).

If you're in a cold region, go hardneck. In warmer, frost-light areas, softneck varieties are the safer choice. Ask at your local garden center or seed supplier for varieties suited to your climate.

When to Plant Garlic

Garlic needs a cold period (called vernalization) to develop properly, so it's typically planted in autumn/fall and harvested the following summer. In most temperate climates:

Northern Hemisphere: Plant October–November for a June–July harvest.

Southern Hemisphere: Plant April–May for a November–December harvest.

In mild climates where winters rarely freeze hard, garlic can also be planted in late winter or early spring — results are smaller but still worthwhile.

Check your local last-frost date and aim to get cloves in the ground 4–6 weeks before you expect the soil to freeze.

Preparing the Bed

Garlic loves well-drained, fertile soil. Waterlogged ground leads to rot — the number one killer of garlic crops.

1. Choose a sunny spot (at least 6 hours of direct sun per day). 2. Dig in plenty of well-rotted compost or aged manure. 3. Aim for a soil pH of 6.0–7.0 (slightly acidic to neutral). 4. Break up any compacted clumps so the cloves can push their roots down easily.

If your soil is heavy clay, consider raised beds or deep containers at least 20–25 cm (8–10 in) deep.

Planting Garlic Step by Step

1. Break up the bulb into individual cloves just before planting. Don't peel them — the papery skin protects them. 2. Choose the largest cloves. Bigger cloves produce bigger bulbs. Save smaller ones for cooking. 3. Plant pointed end up, about 5–8 cm (2–3 in) deep. 4. Space cloves 10–15 cm (4–6 in) apart in rows 30 cm (12 in) apart. 5. Firm the soil gently and water in.

In cold climates, a light mulch of straw or leaf mould helps protect the cloves from hard freezes and suppresses early weeds.

Caring for Your Garlic

Garlic is wonderfully low-maintenance once planted. Here's what to keep an eye on:

Watering: Garlic needs consistent moisture during active growth in spring. Water deeply once a week if there's no rain, but ease off as harvest approaches. Overwatering in the final weeks causes bulbs to split.

Feeding: A general-purpose fertilizer in early spring gives the plants a boost. Avoid high-nitrogen feeds later in the season — they encourage leaf growth at the expense of the bulb.

Hardneck scapes: In late spring, hardneck varieties send up a curling green scape. Cut these off to redirect energy into the bulb. Scapes are delicious sautéed, in stir-fries, or blended into pesto — don't throw them away!

Weeding: Keep the bed weed-free, especially in the early stages. Garlic doesn't compete well with weeds and will produce smaller bulbs if crowded.

Harvesting Garlic

Garlic is ready to harvest when the lower half of the leaves have turned yellow and dried out but the upper half is still green — typically June–July in the Northern Hemisphere.

Don't wait until all the leaves are brown; at that point the outer wrapper of the bulb may have deteriorated, reducing storage life.

To harvest:

Loosen the soil with a fork rather than pulling by the leaves (which can snap).

Lift gently, shake off excess soil, and lay in a warm, airy spot to cure.

Curing and Storing Garlic

Curing is what gives garlic its long shelf life. Lay the bulbs in a single layer somewhere dry and well-ventilated — a shed, covered porch, or patio — for 3–4 weeks until the outer wrappers feel papery and dry.

Once cured, softneck varieties can be braided for beautiful and practical storage. Hardneck bulbs are better stored loose in a mesh bag or shallow crate.

Store in a cool, dark, dry place. A consistently cool pantry at around 15°C (60°F) is ideal.

Common Problems and Solutions

Rust (orange spots on leaves): Usually appears in warm, humid springs. Remove affected foliage and improve air circulation.

White rot (fluffy white mould at the base): A soil-borne fungus that can persist for years. Remove and dispose of affected plants, and avoid planting alliums in the same spot for 8+ years.

Small bulbs: Often caused by planting too late, poor soil fertility, or competition from weeds.

Share Your Harvest with Neighbours

One of the joys of growing garlic is the sheer abundance. A small raised bed can easily produce 20–30 bulbs — far more than most households use before they start to sprout. That's where your community comes in.

Share your surplus with neighbours, swap for something they're growing, and enjoy the simple satisfaction of giving something you grew yourself. It's the kind of exchange that builds genuine connection.

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Ready to grow more and share more? Join Locavori today — your neighbourhood food-sharing community where every surplus finds a home.