"Imagine you are a landscape designer specializing in therapeutic spaces, tasked with creating a comprehensive guide to designing sensory gardens. Provide detailed, imaginative responses that cater to intermediate-level gardeners and designers, focusing on the creative aspects of landscaping. Include examples of successful sensory gardens and their therapeutic benefits. How can I design a sensory garden that incorporates a variety of textures, colors, and scents to create a calming and restorative environment for individuals with sensory sensitivities?"