Planting Garlic in Fall: Complete Guide for Big, Flavorful Harvests

Fall is the traditional garlic planting time in many regions. Like onions, garlic is day-length sensitive, maturing in summer's longest days. Fall planting gives a head start—it's among the first crops to emerge in spring.

Soil Preparation & Planting

• Deeply cultivated, well-drained, rich soil, pH 6.4–6.8.
• Add 2–3 inches compost and well-rotted manure.
• Use quality seed garlic; plant several varieties for insurance.
• Separate cloves ≤48 hours before planting (prevents drying).
• Plant largest cloves (biggest bulbs), pointy end up, 2" deep, 6" apart.
• Mulch 5–8" with seedless straw (packs to ~2" by spring, suppresses weeds).

Spring & Summer Care

• Early spring: green shoots emerge at thaw.
• Fertilize every 2 weeks with liquid fish emulsion from emergence until June 1.
• Water critical during bulb formation (early summer): 1"/week including rain.
• Hardneck garlic (best for Northeast) sends up a scape (seed stalk) at summer solstice—cut it off to direct energy to bulb. Scapes are delicious in pesto, stir-fries, eggs.
• Leave 1–2 scapes standing; when they uncurl and stand straight, harvest is near.
• Stop watering in July when lower leaves brown; excess water stains wrappers or causes mold.

Harvest & Storage

• Harvest late July/early August when lower ⅓–½ leaves brown but upper leaves green.
• Hang bunches in cool, ventilated, shady spot 3–4 weeks to cure.
• Trim roots to ¼", tops to 1–2" above bulb.
• Store near freezing, 65–70% humidity: hardneck keeps 5 months, softneck 8 months.

Save largest cloves to replant—garlic "learns" and adapts to your conditions, improving yearly.

By Robin Sweetser