A flocked Christmas tree can be decorated in many different ways, but some popular options include:
1. Covering the tree in white lights, then hanging white, silver, or gold ornaments on the branches.
2. Layering white and colored lights, then adding colored ornaments in shades that complement the white lights.
3. Covering the tree in white lights and using brightly colored decorations, such as ornaments, garlands, and bows.
4. Mixing and matching different types of lights and ornaments, such as colored lights and multi-colored ornaments.