How to Grow Blue Mist Shrub - Plant Care & Tips

By NorwichGardener Team   /   2024

Blue mist shrub is a low-growing, spreading plant that is native to North America. It is often used as an ornamental plant in gardens and landscapes. The plant has small, blue flowers that bloom in the summer and attract bees and butterflies. The leaves of the plant are dark green and have a minty smell. The blue mist shrub is a hardy plant that can tolerate drought and frost.

How to Grow Blue Mist Shrub - Plant Care & Tips

Also known as

  • Bluebeard
  • Blue mist flower
  • Dogbane
  • Fleabane
  • Houndstooth

Things to Know

  • The blue mist shrub is a deciduous shrub that is native to the southeastern United States.
  • It typically grows to 3-6 feet tall and 5-9 feet wide.
  • The blue mist shrub has blue-green leaves that are 2-3 inches long and turn yellow in the fall.
  • The shrub produces small, blue flowers that bloom in the spring and summer.
  • The blue mist shrub is tolerant of a variety of soil types and prefers full sun to partial shade.
  • It is drought tolerant once established and does not require a lot of maintenance.
  • The blue mist shrub is an excellent choice for hedges, screens, or privacy plantings.
  • It can also be used in mass plantings or as an accent plant in the landscape.
  • The blue mist shrub is deer resistant and does not attract many pests or diseases.
  • It is relatively easy to grow and is a low-maintenance plant.

Related plant:
Buddleja Davidii Nanho Blue

How to Grow

  1. For blue mist shrub, first step is to find a location. It should be in full sun to partial shade. The soil should be well-drained.
  2. The second step is to prepare the soil. You can do this by tilling or digging it to a depth of about 12 inches.
  3. The third step is to add organic matter to the soil. This can be in the form of compost, manure, or peat moss.
  4. The fourth step is to take your plant and dig a hole that is twice the size of the root ball.
  5. The fifth step is to place the plant in the hole. Make sure that the root ball is at the same level as the soil surface.
  6. The sixth step is to fill in the hole with the soil that you removed. Tamp it down lightly.
  7. The seventh step is to water the plant deeply.
  8. The eighth step is to apply a layer of mulch around the plant. This will help to keep the roots cool and moist.
  9. The ninth step is to fertilize the plant. You can do this with a balanced fertilizer.
  10. The tenth and final step is to prune the plant in early spring.

Related plant:
Ceanothus Autumnal Blue

Soil Condition

About soil condition, blue mist shrub prefers consistently moist, well-drained soils, especially during the heat of summer. They will tolerate some dry periods but may need extra watering during prolonged droughts. They are adaptable to a wide range of soils, including those that are sandy or clay-based, as long as they are not allowed to dry out.

Light requirement

So, like the other shrubs, the blue mist shrub needs sun to grow properly. It should be planted in an area that gets at least six hours of sunlight each day. The more sun it gets, the more blue flowers it will produce.

The Temperature

The temperature condition is perfect for the blue mist shrub. It is a beautiful plant that thrives in cooler temperatures. The leaves are a deep blue color and the flowers are a light blue. It is a perfect plant for a shady area in your garden.

Humidity Level

Ideal humidity condition for this plant is 50%. The soil should never be soggy or too dry. Brown leaves are a sign that the plant is not getting enough humidity. To raise the humidity level around the plant, set the container on a tray of pebbles and water or use a humidifier.


Discussing fertilizer, this kind of plant food is important for blue mist shrub. It helps the plant to get the necessary nutrients for growth. The roots absorb the nutrients and help the plant to grow. It is important to choose the right fertilizer for the blue mist shrub.

Plant Pruning

Pruning is an important part of keeping your blue mist shrub healthy and looking its best. You should prune your shrub in late winter or early spring, before new growth begins. Cut back any dead or damaged branches, and thin out the shrub to encourage new growth.

Plant Propagation

Propagation for the blue mist shrub is typically done through stem cuttings taken from new growth in late spring or early summer. The cuttings should be 4-6 inches long and have several leaves. Cut just below a leaf node and remove the bottom leaves. Dip the cut end in rooting hormone and plant in a well-drained potting mix. Keep the soil moist but not soggy and place in a warm, sunny location. New roots should form within 6-8 weeks. Once the roots are established, the plant can be transplanted to its permanent location.

Plant Growth

Usually, the plant growth rate is determined by the plant's environment. If the blue mist shrub is in a rich, moist soil, it will likely grow faster than a plant in a dry, sandy soil. Blue mist shrub growth is also affected by temperature, with plants growing more slowly in colder weather and more quickly in warmer weather.

The Problems

Common problems for this kind of plant are fungal diseases, such as powdery mildew, leaf spot, and stem canker. Aphids, scale insects, and thrips can also cause problems for this plant. Proper identification of the problem is necessary for finding the best solution.

Tips on Growing

  • Make sure to plant blue mist shrub in an area that receives full sun.
  • This plant does best in well-drained soil.
  • When planting, make sure to space the plants at least 3 feet apart.
  • Once established, blue mist shrub doesn't require a lot of watering. However, during periods of extended drought, you may need to water more frequently.
  • Fertilize blue mist shrub in early spring and again in mid-summer with a balanced fertilizer.
  • To encourage bushier growth, prune blue mist shrub in late winter or early spring.
  • This plant is relatively pest and disease resistant. However, aphids and scale can sometimes be a problem.
  • Blue mist shrub makes an excellent addition to any landscape. It can be used as a border plant or as a stand-alone specimen.
  • This plant is deer resistant.

Alternative Plants

  • Blue-mistflower: Conoclinium coelestinum, formerly Eupatorium coelestinum, is a species of flowering plant in the aster family known by the common names blue mistflower, hardy ageratum, and wild ageratum.
  • This plant is native to eastern North America, where it grows in moist woods and other habitat types from New Brunswick to Ontario in the north, and from Florida to Texas in the south.
  • This perennial herb produces a stem up to about 2 meters tall from a rhizome. The stem is mostly unbranched and is green or purplish in color. The leaves are up to 15 centimeters long and have serrated edges.
  • The inflorescence is a large, fluffy, blue-violet flower head. Each floret has 5 lance-shaped, fleshy toothed lobes around a yellow disc. The fruit is a tiny achene with a papp

Blue Mist (Caryopteris x clandonensis)
Blue Mist Spirea 'Dark Knight' - CSU Extension - Adams County
Blue Mist Spirea, Bluebeard -

Richelle Author Photo
Reviewed & Published by Richelle
Submitted by our contributor
Herbs Category