Noteworthy Characteristics. Caryopteris × clandonensis, commonly called bluebeard, blue spirea or bluemist, is a low-mounded, deciduous shrub that is valued for its aromatic foliage and late summer flowers which are said to resemble clouds of blue smoke or mist. Bluebeard (Caryopteris x clandonensis) is a late-blooming shrub or woody perennial with true blue flowers, beloved by butterflies and bees. Dark Knight BlueMist spirea blooms with a profussion of dark blue flowers in late summer when few other shrubs are flowering. Its modest size makes it very useful in smaller yards. Afantastic nectar source for bees and butterflies. Proven Winners - Beyond Midnight® - Bluebeard - Caryopteris x clandonensis blue rich plant details, information and resources.Caryopteris is also known as bluebeard or bluemist spirea - but it's not a spirea at all. Caryopterisbluemistshrub is a shrub also classified as a “sub-shrub” with woody stems that partially die back in the winter, or even entirely all the way to the crown of the plant. A hybrid or cross between Caryopteris x clandonensi , this shrub is... Caryopteris, also known as Bluebeard or BlueMistShrub, grows best in a moist but well-drained soil of average fertility. It prefers a moist but well-drained soil though is tolerant of dry soil conditions when established. Constantly soggy or wet soils can be problematic. The common name bluemist refers to the flowers which have a fluffy cloudlike appearance. This light airy shrub quickly reaches an average size 2 to 3 feet tall and wide and has a medium to fine texture. Grand BleuCaryopteris produces clusters of vibrant blue flowers that are much closer to the stem than other varieties. Butterflies are enticed to fragrant flowers which begin to bloom in midsummer and last up to 2 months. Even the colorful gray green foliage is fragrant. Caryopteris x clandonensis 'Inoveris' GRAND BLEU® bluebeard. Blue Beard (Caryopteris hybrids) Deer resistant shrub. | Plants, Autumn flowering plants, Foliage plants. BlueMistCaryopteris features dainty cymes of powder blue flowers along the branches from late summer to early fall. The flowers are excellent for cutting.BlueMistCaryopteris is an open multi-stemmed deciduous shrub with an upright spreading habit of growth. Suggested CaryopterisBlueMistShrub Uses#. With its good looks and pleasant scents , Blue Spirea is a decent choice in mass planting or as a border or container industrial plant . It is an excellent accession to your bee and pollinator garden . Caryopteris x clandonensis 'Dark Knight' - BLUEMISTSHRUB 'DARK KNIGHT'. $8.99.Smaller shrub or sub-shrub with darker blue-purplish flowers arranged in clusters on it's branches. Dull green-gray, aromatic leaves. Caryopteris, Bluebeard, BlueMist Spirea 'Dark Knight'.This bluemistshrub needs to be cut down in spring. (4-6 inches) If it is cut back in fall it will die. Also, some dry leaves around th...Read Moree base of the plant in winter will help overwintering success. The BlueMistShrub can grow to three feet tall and has an average lifespan of 20 years. “Being a Maryland gardener I will say I love bluemistshrub (caryopteris) as it’s one of the late summer early fall flowers.