Nanho Blue Butterfly Bush (Buddleja davidii 'Nanho Blue')

Buddleja davidii 'Nanho Blue' is a cultivar of the popular flowering shrub Buddleja davidii, commonly known as Butterfly Bush. It is a deciduous shrub native to China and has become widely cultivated in many parts of the world for its showy flowers and ability to attract butterflies.

'Nanho Blue' is named for its compact size and the color of its flowers. It is a smaller cultivar compared to some other Buddleja davidii varieties, typically reaching a height and spread of about 3-4 feet. The shrub has an upright habit and produces numerous arching branches.

The flowers of 'Nanho Blue' are a vibrant shade of violet-blue. They are borne in dense, elongated clusters known as panicles that appear from midsummer to early autumn. The fragrant flowers are highly attractive to butterflies, bees, and other pollinators, hence the common name "Butterfly Bush."

The foliage of 'Nanho Blue' is grayish-green and has a slightly fuzzy texture, providing a soft backdrop to the colorful flowers. The leaves are lance-shaped and arranged in an opposite fashion along the stems.

Buddleja davidii 'Nanho Blue' is relatively easy to grow and is known for its tolerance to a wide range of soil conditions. It prefers well-draining soil and thrives in full sun to partial shade. Regular watering is necessary, especially during dry periods, to ensure optimal growth and blooming.

To maintain the health and shape of the shrub, 'Nanho Blue' can be pruned in late winter or early spring before new growth begins. This helps promote vigorous growth and encourages a profusion of flowers during the blooming season.

'Nanho Blue' is commonly used in mixed borders, cottage gardens, and butterfly gardens. It adds a splash of vibrant color and attracts beneficial insects, making it a popular choice for garden enthusiasts who want to create a pollinator-friendly environment.