Updated: May 4, 2023

Blue star plants, or amsonia, are a genus of flowering plants that are native to North America. They are known for their striking blue flowers and their ability to thrive in a wide range of conditions. In this article, we will explore the different types of blue star plant, their characteristics, and how to grow them.

Eastern Blue Star (Amsonia tabernaemontana)

The Eastern Blue Star is the most common type of blue star plant. It is native to the eastern United States and can grow up to three feet tall. The plant has clusters of light blue flowers that bloom in late spring and early summer. The leaves are dark green and narrow, with a length of up to five inches.

This plant is very hardy and can tolerate a wide range of growing conditions. It prefers full sun to partial shade and well-drained soil. The Eastern Blue Star is also drought-tolerant and can withstand periods of dry weather.

Hubricht’s Blue Star (Amsonia hubrichtii)

Hubricht’s Blue Star is a more recent discovery and has quickly become popular among gardeners. It is native to Arkansas and Oklahoma and can grow up to three feet tall. The plant has clusters of light blue flowers that bloom in late spring and early summer. The leaves are narrow, with a length of up to two inches, and turn a bright yellow in the fall.

This plant prefers full sun to partial shade and well-drained soil. It is also drought-tolerant and can withstand periods of dry weather. Hubricht’s Blue Star is an excellent choice for a low-maintenance garden.

Short’s Blue Star (Amsonia shortiana)

Short’s Blue Star is native to the southern United States and can grow up to two feet tall. The plant has clusters of light blue flowers that bloom in late spring and early summer. The leaves are narrow, with a length of up to three inches.

This plant prefers full sun to partial shade and well-drained soil. It is also drought-tolerant and can withstand periods of dry weather. Short’s Blue Star is an excellent choice for a small garden or container planting.

Arkansas Blue Star (Amsonia ciliata)

The Arkansas Blue Star is native to the southern United States and can grow up to two feet tall. The plant has clusters of light blue flowers that bloom in late spring and early summer. The leaves are narrow, with a length of up to four inches.

This plant prefers full sun to partial shade and well-drained soil. It is also drought-tolerant and can withstand periods of dry weather. Arkansas Blue Star is an excellent choice for a low-maintenance garden or as an accent in a larger garden.

Growing Blue Star Plants

Blue star plants are generally easy to grow and require minimal maintenance. They prefer well-drained soil but can tolerate a wide range of soil types. They also prefer full sun to partial shade but can tolerate some shade.

When planting blue star plants, it is important to space them out properly. Most varieties will grow up to three feet wide, so make sure there is enough room for them to spread out.

Blue star plants do not require regular fertilization but can benefit from occasional feeding with a balanced fertilizer during the growing season.

It is also important to water blue star plants regularly, especially during periods of dry weather. However, be careful not to overwater them, as they do not like wet feet.

FAQ

How often should I water my blue star plant?

Blue star plants should be watered regularly, especially during periods of dry weather. However, be careful not to overwater them, as this can lead to root rot.

Can blue star plants tolerate shade?

Blue star plants prefer full sun to partial shade but can tolerate some shade.

How do I care for my blue star plant in the winter?

Most varieties of blue star plant are hardy and do not require any special care during the winter months. However, if you live in an area with harsh winters, you may want to provide some protection by covering the plant with mulch or burlap.

Do blue star plants attract pollinators?

Yes, blue star plants are known for attracting pollinators such as bees and butterflies with their bright blue flowers.

Can I propagate my blue star plant?

Yes, blue star plants can be propagated by division in the spring or fall. Simply dig up the plant and divide it into smaller sections, making sure each section has roots attached. Replant the sections in well-drained soil and water thoroughly.

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