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Blue Star Plant:
Outdoor Growing Tips for a Beautiful Garden

Updated: April 14, 2023

If you are looking for a stunning addition to your garden that is easy to grow and maintain, then the blue star plant is an excellent choice. This perennial plant produces beautiful clusters of blue flowers that bloom in late spring and early summer. In this article, we will provide some outdoor growing tips to help you grow a healthy and beautiful blue star plant.

Choosing the Right Location

The first step in growing a successful blue star plant is to choose the right location. This plant prefers full sun but can also tolerate partial shade. When selecting a planting site, ensure that it is well-draining as the blue star plant does not like wet soil. Sandy or loamy soil with a neutral pH level is ideal for this plant.

Planting

Once you have chosen the right location, it’s time to plant your blue star plant. You can either start with seeds or purchase a young plant from a reputable nursery. If planting from seeds, start them indoors six to eight weeks before the last frost date in your area. The seeds will need light to germinate, so do not cover them with soil. Once they have sprouted, you can transplant them outdoors.

When planting your blue star plant, ensure that the hole is twice as wide as the root ball but only as deep as the root ball. Gently loosen any roots that are circling at the bottom of the pot before planting. Water thoroughly after planting to help settle the soil around the roots.

Watering and Fertilizing

Blue star plants require moderate watering. Water deeply once a week, especially during hot and dry weather. Avoid getting water on the leaves as this can cause leaf spot disease.

Fertilize your blue star plant with a 10-10-10 fertilizer in early spring before new growth appears. Repeat this every six weeks until midsummer.

Pruning

Pruning is an essential part of maintaining a healthy blue star plant. Cut back the stems to ground level after the foliage has turned brown in the fall. You can also deadhead spent blooms during the summer to encourage more blooming.

Common Problems

Blue star plants are generally trouble-free, but they can be susceptible to some pests and diseases. Leaf spot disease can occur if the leaves get wet during watering or rain. To prevent this, avoid getting water on the leaves, and provide adequate air circulation around the plants.

Aphids and spider mites can also be a problem for blue star plants, which can be controlled using insecticidal soap or neem oil spray.

Conclusion

Growing a blue star plant in your garden can add a stunning pop of color that will brighten up any landscape. By following these simple outdoor growing tips, you can ensure that your blue star plant stays healthy and beautiful year after year.

FAQ

Q: Can I grow blue star plants in containers?

A: Yes, you can grow blue star plants in containers as long as they are large enough to accommodate their root system.

Q: Do blue star plants attract pollinators?

A: Yes, blue star plants are known to attract bees and butterflies.

Q: Can I divide my blue star plants?

A: Yes, you can divide your blue star plants every three to four years in early spring before new growth appears.

Q: How tall do blue star plants grow?

A: Blue star plants typically grow two to three feet tall and wide.

Q: Are blue star plants deer resistant?

A: Yes, blue star plants are deer resistant due to their bitter taste and toxic properties when ingested.

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