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You’ll need a small shovel or a trowel. Create a planting hole that is 30 by 3 centimeters (11 by 1 inches). When the seedlings are around 1 month old, you’ll need to transplant them. Use your trowel to loosen the soil around the edges of the planting tray. Put your fingers along the sides of the tray and pull up the sandalwood seedling. Holding it by the root ball, gently place it in the planting hole.  It is best to transplant the seedling in the morning before it gets too hot.  Ensure that the space between the seedling and the planting hole is completely filled up with soil, since you want to avoid any potential waterlogging. Space the sandalwood plants between 2.5 and 4 meters (8 and 13 feet) apart.  Avoid planting sandalwood in protected forest areas. In India, the best time to transplant sandalwood is between May and October. You’ll need to plant the sandalwood seedlings within 1 meter (3.3 feet) of the host plants. Unless the tree fixes onto the host species within the first 2 years, it will die. The host plants should be at least 1 meter (3.3 feet) tall prior to direct sowing of sandalwood. You’ll need to remove any weeds that are competing for moisture around the sandalwood tree, especially during the first year. You should also make sure the host species does not take too much light away from the young sandalwood tree. If the host tree starts to grow above the sandalwood, tip the host species to the side or prune it. Remove any weeds that climb up the sandalwood.

Summary:
Dig a hole for the sandalwood seedling. Put the sandalwood seedling into the ground. Plant the sandalwood seedlings close to the host plants. Weed thoroughly during the first year.