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Plant library  ·  Vegetables

Garlic

Allium sativum

Garlic is a compact fall-planted vegetable that occupies its bed through winter and spring before an early- to midsummer harvest. Plant individual cloves for a narrow upright crop about 18 inches tall and 6 inches wide at maturity. Its long season makes it a useful bridge between summer beds: reserve a sunny, well-drained area that can remain planted until harvest rather than a space needed for early spring sowing.

Sunlight Full Sun
Water Regular
Planning spacing 0.5 ft
Typical mature size 1.5 ft tall, 0.5 ft wide
Typical harvest Early summer - mid summer

Garlic spacing and mature footprint

Space Garlic 6 inches apart, measured center to center (15 cm).

The mature spread is about 6 inches (15 cm), so neighboring plants just meet at maturity without crowding.

Treat 6 inches as a planning baseline — cultivar and local growing conditions shift the final footprint.

Compare with the full vegetable spacing chart

Three plants set 0.5 ft apart, center to center; shaded circles show the 0.5 ft mature spread.

Placement and use

Set garlic in a dedicated row or block near a path so the closely planted bed can be weeded, watered, and harvested without stepping on the soil. A bed following a cleared summer crop suits its fall planting schedule, while its early-summer harvest can open the space for a later warm-season planting.

Spacing and mature footprint

Plant cloves 6 inches apart, center to center. Each plant finishes only about 6 inches wide, so a grid or paired rows can use bed space efficiently while preserving individual growing room. Keep the planting zone inside a bed rather than at its outer edge, leaving a reachable margin from the path for lifting bulbs at harvest. Avoid placing taller, spreading crops where they will crowd this compact strip later in the season.

Sun, water, and soil

Give garlic full sun and regular moisture in well-drained soil. Build the bed where water can soak in rather than linger around the bulbs, and keep a clear route for watering through spring. A loose, prepared planting area supports bulb development, while early weed control matters because young garlic can be overtaken by competing growth.[1]

Seasonal notes

Plant cloves in fall for a crop that remains in place across the cold season and matures about 240 days later. Cold winter chilling is part of the plan, so treat the bed as a long-occupancy element rather than a short filler. Harvest falls from early summer into midsummer; keep access open along at least one side so bulbs can be lifted promptly as the crop reaches maturity.

Planning caveats

Garlic’s small footprint can make a bed look open at planting, but the space is committed for many months. Do not use the gaps for crops that need cultivation or frequent harvest through the garlic row. If the bed will be mulched for winter protection and weed suppression, allow enough edge clearance to manage that layer without burying adjacent seedlings or narrowing the path.[1]

Growing facts

Botanical name
Allium sativum
Type
Vegetable
Category
Vegetables
Lifecycle
annual
Sunlight
Full Sun
Water
Regular
Planning spacing
0.5 ft
Typical mature size
1.5 ft tall, 0.5 ft wide
Typical days to maturity
About 240
Typical harvest season
Early summer - mid summer
Plan a garden with garlic

References

  1. Growing garlic in home gardens — UMN Extension