In my old garden, I used Calamintha nepeta to soften the lines of my garden walls. These plants grow up to around 50 or 60cm (20-24inches) tall.

Calamintha nepeta, Calamintha, herbs, scented plants, aromatic plants, plants for bees, plants for bees and butterflies, container plants for bees, container plants for bees and butterflies, wildlife gardening, container plants, easy to grow plants, plants for pollinators, sustainable gardening, sustainable living, hardy perennials, herbaceous perennials, plants for moths, May gardening advice, best summer flowers, patio plants, container gardening, container garden, plants for small gardens, wildlife plants, plants for wildlife gardens, window boxes, balcony garden, rooftop garden, roof garden, patio, natural gardens, wildlife friendly gardening,