5 Common Garlic Planting Mistakes To Avoid!

Quick Overview

Garlic growers should avoid five common mistakes: incorrect planting timing based on USDA zone, planting too shallowly or too deeply, planting too close together, fertilizing with high-nitrogen sources too late, and skipping weed control, all of which lead to smaller bulbs or garlic rust, while hardneck garlic requires a cold period (vernalization) achieved through refrigeration for growers in warmer climates.

Key Points: Garlic planting timing is critically dependent on USDA hardiness zone, ranging from September-October for Zone 2-4 up to November-January for Zone 10-11. Plant garlic cloves 4 to 6 weeks before the first frost, ensuring the ground temperature drops below 40°F (4.4°C) for successful vernalization, especially in warm climates. Plant cloves 1 to 2 inches deep with the pointy side up, spaced approximately 6 inches apart to allow for proper airflow and nutrient access. Avoid high-nitrogen fertilizers late in the growing season, as this promotes leafy growth at the expense of bulb development; use slow-release organic fertilizer at planting and side dress when garlic emerges. Hardneck garlic requires a cold period (vernalization) of at least 4 to 8 weeks below 40°F to trigger root development and growth, which warm-climate growers can simulate by refrigerating bulbs for four weeks before planting. Weed control is essential; weeds compete for resources, and planting too closely or too shallowly can lead to smaller bulbs or plants that fail to form bulbs, like the garlic rust example shown. Harvesting garlic scapes (flower stalks) about a month before harvest directs energy back to bulb development, although not cutting them will still result in garlic, just smaller bulbs.

Context: The video features two growers, Jacques and Kevin, who share over 11 years of garlic growing experience, focusing on common mistakes to help viewers avoid poor harvests. They detail critical aspects of garlic cultivation, including timing based on climate zones, proper planting depth and spacing, necessary fertilization schedules, and specific requirements for hardneck varieties like vernalization.