From Ground: For narrowleaf willow grown directly in the ground, water thoroughly 24 hours before the removal process to make soil softer and keep roots as intact as possible. Dig a wide radius around the plant using the spade or shovel, making sure not to cut into the roots. Carefully lift the plant with the root ball intact. Be gentle and slow to prevent any damage. Wrap the root ball in a damp burlap sack for easy transport.
From Pot: For potted narrowleaf willow, water the plant well before starting. Tilt the pot sideways, then gently tap the sides and bottom. Depending on the size, you may need to use your fingers to loosen the soil and slide out the plant along with its root ball. Make sure to support the plant from its base.
From Seedling Tray: If your narrowleaf willow is in a seedling tray, be sure it's well watered. Using a small trowel or your fingers, gently remove the seedling from the tray, making sure to get the entire root system.