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Check the root ball for damage. Limit the amount of time your tree is indoors. Keep your tree in a cool spot. Keep the soil moist. Move your tree to a sheltered outdoor space. Choose an open, sunny planting spot.
Move the tree gently side to side and be sure the root ball moves with the trunk as you do this. The base of the trunk should not move around inside the root ball, which is indicative of damaged roots. If this is the case, you should not attempt to plant your tree because it is unlikely to survive. Buy your living Christmas tree as close to Christmas as possible, and plant as soon as possible afterwards. The longer your tree stays inside, the more it’s exposed to drying conditions that will weaken it. 7-10 days is about as long as you should keep your tree inside. Near a window is best so it can still receive light and cool air, but keep it out of direct sunlight. Avoid putting it near a heating vent, fireplace, or stove. Daily watering is necessary to keeping your tree healthy. Try putting ice cubes on top of the root ball daily to achieve a more gradual and steady watering as they melt. Allow your tree to acclimate back to the cold after spending 1-2 weeks inside your warm home. Place it outside, in a cool sheltered spot like a front or back porch and leave it there for about a week. Continue watering it daily during this time. Research the type of tree you have and its growth potential. Make sure it won’t outgrow the spot you choose for it. Look for a sunny spot that’s several feet from your house or any fencing since roots and limbs could eventually cause problems for these structures.