Globe thistles interplanted with agastaches.
Echinops bannaticus ‘Taplow Blue’
This gorgeous globe thistle is highly attractive to butterflies and bees. An eye-catching, yet undemanding perennial for the back of a herbaceous or mixed border, it’s best planted in poor, well-drained soil in full sun.
Agastaches ‘Blue Fortune’ or Giant Hyssop
Agastache are herbaceous perennials with simple, aromatic leaves and small 2-lipped tubular flowers in whorls forming dense spikes, in summer and autumn