While it can be difficult for gardeners to find plants that produce blue flora, there are a small number of flowering shrubs and perennials that possess striking azure and cerulean blooms. For ...

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Water regularly to keep the soil moist and deadhead spent flowers to encourage continuous blooming.’ Russian Sage is a hardy, drought-tolerant perennial with silver-white stems and a mass of tiny ...

A compact, mound-forming herbaceous perennial producing a dome of green, divided foliage on stems to 35cm (14in) high. In late spring and summer, masses of purplish-blue, saucer-shaped single flowers, ...

An herbaceous perennial of upright habit, to 90cm tall, with lance-shaped leaves and large trusses of fragrant, blue-tinged, white flowers opening from pink buds in early summer ...