Personalize your garden with a DIY driftwood garden sign adorned with seashells and beach treasures. Start by finding a flat and smooth piece of driftwood that is large enough to serve as the base for your sign. Clean the driftwood by rinsing it with water and letting it dry in the sun. Next, gather seashells, small pieces of driftwood, and other beach treasures that can be easily attached to the driftwood. Use hot glue or a strong adhesive to attach the seashells and beach treasures to the driftwood, spelling out your desired message or creating a decorative pattern. Once the glue is dry, you can leave the driftwood sign as is for a natural and rustic look, or you can seal it with a clear varnish to protect it from the elements. Place the driftwood garden sign in a prominent location in your garden, adding a personalized touch to your outdoor space.