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This will help keep the soil inside the pot and prevent it from falling out. Alternatively, you can tuck a coffee filter into the bottom of the pot, or use a piece of broken pottery. The mesh screen does not have to be big--anything large enough to cover the hole is fine. The broken pottery will keep the soil in the pot, but it will still allow water to drain out. Use a trowel or your gloved hands to fill your pot with potting (not gardening) soil. Keep adding soil until you are 2 to 3 inches (5.1 to 7.6cm) from the pot's rim. Gently pat the soil down with your hands. If your pot is made from clay, soak it overnight first. This will prevent it from absorbing the water from the soil. Use just enough water to make the soil damp. Be sure to mix it with a trowel so that you distribute the water throughout the soil. You want it to be evenly moist from top to bottom. Sometimes, wet soil compresses, so if it falls more than 3 inches (7.6cm) below the top edge of the pot, mix in more soil. How deep and wide this hole is depends on the size of your plant. Take a look at the pot that your herb came in, then dig a hole that is just a little bit larger than that. Be sure to leave enough room for the other herbs. Instead of digging right in the middle of the pot, dig close to the edge. Do not grab the plant by the stem and yank it up, as you can damage it. Instead, gently squeeze the plastic pot by the sides, then tip it over to slide the plant out. Do just 1 herb for now. Once you take the herb out of the pot, you want to get it into the soil as quickly as possible. If the roots are tightly packed, gently loosen them with your fingers first. Next, tuck the herb into the hole you just made, then fill any gaps in the hole with soil. Cover the root ball with 1 inch (2.5cm) of soil. Gently pat the soil down with your hands to make it nice and neat. Note that the soil level should remain the same from the store container to the newly-planted pot for most plants. Dig a hole into the soil, then remove the herb from its original pot. Set the herb into the hole, then cover it with 1 inch (2.5cm) of soil. Keep going until you have used up all of your herbs. Work 1 herb at a time. You don't want to leave the other herbs laying around outside of their original pots for too long. Leave a few inches/centimeters of space between each herb. Plant taller herbs in the center and shorter herbs around the sides. Pour enough water into the pot until it starts to come out of the bottom. Let the pot finish draining, then set it outside or on a sunny counter or windowsill. Place the pot on top of a plastic or ceramic tray. This will help keep your table or counter clean. Don't leave the excess water in the saucer. Lift the pot up and dump the water out.
Cover the hole in the bottom of your pot with a piece of screening. Fill the pot with potting soil 2 to 3 inches (5.1 to 7.6cm) from the top. Dampen the soil then add more, if needed. Dig a hole large enough to it your first herb. Remove the plant from its original pot. Place the herb into the hole and cover it with 1 inch (2.5cm) of soil. Repeat the process for the remaining herbs. Water the soil well, then transfer the pot into a sunny location.