• long green stems and blue blooms of Amsonia Hubrichtii Bluestar
  • orange fall foliage of the Amsonia Hubrichtii Bluestar

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Amsonia Hubrichtii

Amsonia hubrichtii

Sale Price $22.95 USD
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Amsonia Hubrichtii Plants for Sale Online

Amsonia hubrichtii or thread-leaf Blue Star is a graceful and long-lived native plant with very fine foliage, clusters of steel blue flowers in May and June on an upright, bushy plant. Excellent golden fall color. Thrives in full sun or part shade. No insect or pest problems.


Growzone: 4-9 Amsonia Hubrichtii Hardiness Zones 4-9
Hardiness Zone: 5-8
Mature Height: 2.5 to 3 feet
Mature Width: 2 to 3 feet
Classification: Perennial
Sunlight: Full Sun
Habit: Upright, clump forming
Flower Color: Powdery Blue
Flowering Season: Late spring through Early Summer
Foliage: Green with excellent fall color
Soil Condition: Prefers dry, average to sandy soil, wont tolerate wet soil in winter
Water Requirements: Water well until established
Uses: Extremely attractive when used as a focal point in the mixed border, mass planting. Attracts pollinators and hummingbirds.

How to Care for Amsonia Hubrichtii

We suggest when planting your newly purchased Amsonia hubrichtii plants that you dig a hole twice as wide as the root system but not deeper. Depending on the quality of your existing soil you may need to add a locally sourced compost or topsoil to the back-fill soil. We do not recommend using straight topsoil or compost as a back-fill soil because more times than not these products will retain entirely to much moisture and will cause the root system to rot. Adding compost or topsoil will help the young feeder roots to spread through the loose, nutrient rich soil, much easier than if you used solely the existing soil which more times than not will be hard and compacted. The most common cause of plant death after transplanting is planting the new plant to deep. That is why we do not recommend planting in a hole any deeper than the soil line of the plant in the pot. A good rule is that you should still be able to see the soil the plant was grown in after back-filling the hole. Amsonia hubrichtii does prefer drier soils in the winter so if there was ever a plant that we would recommend not adding topsoil or compost this is one. Bio-tone starter fertilizer is a great starter fertilizer that provides plants with mycorrhizae fungus.


Frequently Asked questions

How do I water Amsonia hubrichtii?

How do I fertilize Amsonia hubrichtii?

How do I mulch Amsonia hubrichtii?

How do I prune Amsonia hubrichtii?


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