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Most of the garlic bulbs you see at your local supermarket have been chemically treated so they last longer, and won’t sprout if you try to plant them. Buy your garlic bulbs from a local plant nursery, gardening store, or from an online retailer.  Some grocery stores may sell organically grown garlic bulbs, which may not have been treated, so they’ll sprout if you plant them. Ask your local nursery if they have organically grown garlic bulbs. Look online for organic garlic bulbs that you can have delivered to your home. Use your hands to break open the bulb of garlic so you can see the individual cloves. Choose the largest cloves to plant because they’ll have the best chance of sprouting. Do not pull or take the individual cloves out of their protective husks.  Separate the cloves 1-2 days before you plant them. They’ll dry out and won’t be able to sprout if you break them apart earlier. The husks keep the garlic itself protected and they won’t sprout if you remove them! Use your finger or a stick to create a hole for each clove of garlic you plan to plant in the container. Make sure they’re deep enough and are spaced far enough apart to allow the roots to grow unobstructed. Make the holes wide enough to fit the cloves. Place 1 clove into each of the holes with the flat end facing down. Then cover them with the potting mixture on top so they’re buried in the hole.  Place 1 clove for each of the holes you make. Gently pat the potting mixture on top of the garlic to settle it down. A south or west-facing window that gets lots of sunlight will help your garlic grow and thrive. Set the container on or near a windowsill so it’s exposed to at least 6 hours of sunlight a day. If you don’t have a sunny window, you can place the container under a fluorescent light to help them grow indoors. Water the mixture regularly so it settles on top of the garlic cloves and so the cloves themselves are hydrated. The moisture will help the sprouts break through the protective husk of the cloves. Slowly pour water into the container until you see it running out of the drainage holes at the bottom. Don’t overwater or soak the garlic.
Purchase organic garlic bulbs from a gardening store or online. Break apart the bulb, but keep the husks on the cloves. Make holes 2–3 inches (5.1–7.6 cm) deep and 5 inches (13 cm) apart. Bury the cloves so they’re covered with 1 inch (2.5 cm) of potting mixture. Place the container somewhere that gets 6-8 hours of sun. Water the garlic until you see the excess run out of the drainage holes.