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Fertilization can help enhance growth. A general-purpose fertilizer can be spread evenly up to twice a month, but it's often unnecessary if the potting mix is well-nourished. If using fertilizer, mix it into the top few inches of soil.
Additionally, to promote healthy growth and larger bulbs, loosen the soil every 20 to 25 days.
Recognizing When to Harvest
Your garlic will typically be ready for harvest in mid-summer. Indicators that your garlic is mature include yellowing leaves.
To harvest, dig carefully around the garlic bulbs, pulling gently from the sides to avoid damaging the roots. After extraction, brush off excess soil without removing any foliage or roots.