With lilac-blue flower spikes borne over liquorice scented dark green foliage, organic Agastache Blue Fortune (Giant Hyssop) is one of the best cottage garden plants for increasing the biodiversity of your plot. These bee-friendly perennials are also beloved by butterflies and other pollinators. Plant in a sunny, free-draining location – combine with eco-friendly perennials such as organic Eryngium and Cosmos to create a stunning summer display.
