Blue flowering shrubs – Create unique fragrant scenery in your garden and lighten up any room in your home with these blue flowering shrubs:

Blue flowering shrubs list:

Blue potato bush

Blue potato bush has a nearly non-stop display of fragrant, cup-shaped, golden-centered blue-violet flowers on its slender, sprawling stems. These blooms give way to berries but take caution as these are not edible and poisonous when consumed. It can grow as high as 7 feet and needs full sun exposure to grow well.

Calluna vulgaris

Also known as  as the Scotch heather, Calluna vulgaris has showy blooms in blue, pink, purple, red or white. This evergreen shrub grows in a moist, acidic, sandy or gravelly, very well-drained soil with average fertility. Full sun or partial shade may do good for Calluna vulgaris. And since it has a shallow root system, avoid cultivating around this plant to prevent root damage.


There are a wide range of species under the genus name Campanulla or Bellflower with varying flower colors from blue, purple, pink or white. These plants should be planted in a well drained soil under full sun exposure and watered regularly specially during its blooming season. Campanula can be grown from seeds or cuttings.

Columbine flower

Columbine has muti-colored flowers and shaped like a bell. It can be blue, yellow, red, white, purple, or a combination of these shades. It thrives in any type of soil as long as it is not too dry and draining well. Place your columbine plant in a partial shaded area and mulch around its base because they cannot tolerate heat very well.

Echium candicans

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This plant is a big, bold and fast growing shrub with small blue-purplish flowers growing on a spike in inflorescence. It grows quickly in wide open spaces and often reaches 6 to 8 feet tall and wide. Expect your Echium candicans to bloom in spring and early summer and once the flowers mature, there will be an abundant amount of seedlings produced. You may be surprised on how fast this plant will spread out in your garden.

Hebe plant

Hebe plant blooms in summer and last throughout fall showcasing spiked flowers in blue, pink, white, crimson, and purple. It may range in size from small shrubs to larger tree-like varieties but is easy to grow. It is best to plant hebe shrubs in spring and they will grow whether in full or partial sun exposure and loose, well-draining soil.

Hibiscus rosa sinensis

Also known as China rose, hibibscus rosa sinensis has edible flowers in light blue, pink, red, yellow, white, orange or light purple. This is a tropical evergreen plant that is best grown in moist, organically rich, well-drained soils in full sun. It appreciates regular watering, and consistent moisture and humidity. Keep in mind to not let the roots dry as it may kill you hibiscus rosa sinensis plant.

Hybrid tea rose

This plant is popular for its fragrant flower blooming singly on a long stem in varying colors of blue, white, pink, red, yellow, orange, and more. A well-drained fertile soil in a sunny location is the most suited thriving place for a hybrid tea rose shrub. Guarantee abundant blooms by adding rose food to the soil at least 3 times in a season.


While a hydrangea shrub planted in an acidic soil produces blue elegant flowers, it may also produce flowers of varying colors such as purple, pink, white, and rose colors. This plant is easy to cultivate and blooms from mid-summer through autumn. Hydrangeas can tolerate most types of soil and are best planted in spring or fall. If you wish to change the color of your blooms to pink, you may do so by adding alkaline to your soil.

Plumbago auriculata

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Prized for its profused blue phlox-like flowers, Plumbago auriculata is asprawling shrub with branches that resembles a vine. This easy growing shrub is drought tolerant once it becomes established and rarely would you see pests and diseases present in a Plumbago auriculata plant. Occassional pruning is necessary to maintain its shape but too much or too little can sacrifice the amount of its blooms.

Rhus crenata

Rhus crenata is a multibranches evergreen with small flowers that turns into dark blue berry-like fruits. It usually reaches the height of 3 meters and spread similarly. It thrives in full sun and is semi-frost hardy so it should survive little frost. Rhus crenata binds into a sandy soil and can help in stabilizing soil in coastal or sloped areas.

Rosemary plant

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Rosemary is a very attractive plant with needle-like leaves and brilliant blue flowers. Its blooms persist through summer and spring and has  a piney fragrance. Rosemary is often used as a herb ingredient to many culinary dishes and is relatively easy to grow. Provide them with a well-drained sandy soil and a sun exposure of at least 6 to 8 hours.

Salvia mystic spires

The summer-blooming Salvia mystic spires produces dark blue flowers in long stalks. It is a low maintenance plant that usually reaches 3 to 6 feet in height. To grow a salvia mystic spires plant, you will need a sunny location with well-drained soil. Cut back plant in midsummer and deadhead the flowers to encourage an abundant blooming.

Shrimp plant

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This evergreen shrub is characterized by its tiny insignificant white flowers inside its colorful bracts. Each stem is tipped by a spike of bracts that arch into a form that looks remarkably like shrimp and may come in shades of blue, blue-green, blue-purple, green, yellow, white or orange-pink. The shrimp plant rarely grows more than 3 or 4 meters high and thrives in a partially shaded area. Once established, they survive the occasional hard frost, dying back to the ground and sprouting again when warm weather returns.

Yesterday today and tomorrow plant

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Yesterday today and tomorrow plant produces delightfully fragrant flowers that starts from blue-purple and gradually fades to lavender then white. It blooms from spring until the end of summer. Care of this plant includes planting in a warm, frost free environment with dapple sunlight all day long. Diligent pruning can help the plant maintain a height as short as 4 feet.