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Starstruck Amsonia

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  • Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
  • Mature Height 20 - 22 Inches
  • Mature Spread 20 - 22 Inches
  • Growing Zones 4 - 9

The perennial Starstruck Amsonia will bring native pollinators around to your garden beginning in spring. The little rounded plant fills with star-shaped flowers in periwinkle blue that rise above narrow green leaves. This easy-care plant can fill your garden with flowers and the insects that love them when you plant several as a mass planting (and pretty blue color explosion). Amsonia is cold hardy to zone 4 but can tolerate heat all the way up to zone 9, so it is a versatile choice in many growing regions.

Starstruck grows to about 22 inches high and 3 feet around, a great size for placing in the middle of a garden bed as well. The pretty blue flowers keep coming from early spring through early summer. The shrub can grow in full or part sun. Deer avoid amsonia, so that is another reason to add it to your landscape. In fact, add several to form a border around your garden bed, before taller plants.

Starstruck Amsonia Care

Your Starstruck Amsonia is not picky about soil; nearly any soil type will do, including sand and clay. It does prefer a neutral soil pH, but again, not picky at all! Choose a spot that gets partial or full sun, so at least 4 to 6 hours of light a day. Fertilize once in spring with a slow-release fertilizer that is water soluble. That should be all you need to do; Mother Nature will do the rest. 

Amsonia likes some humidity and regular water, but does not do well if it sits in soggy soil. Once the plant is established, it can handle periods of drought. Other than watering, the plant needs little care to thrive. You can prune off the faded flowers after it is done blooming in summer.

Starstruck Amsonia Spacing

Space your plants far enough apart to account for their low, spreading habit. In most cases, about 3 feet apart is plenty for this amsonia. For a border effect, inch the plants a little closer together.

Starstruck Amsonia Information

USDA Hardiness Zones: 4 - 9
Plant Type:
Light Exposure: Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
Mature Height: 20 - 22 Inches
Mature Spread: 32 - 38 Inches
Spacing: 32 - 38 Inches
Habit: Clumping, Upright
Flower Color(s): Blue
Flower Description:
Bloom Period:
Foliage Type: Herbaceous
Foliage Color(s): Green
Foliage Description:
Seasonal Interest: Spring Flowering, Summer Flowering
Watering: Average
Resists: Deer, Rabbit
Tolerates: Heat, Drought
Attracts: Bees, Butterflies, Hummingbirds
Container Role:
Uses: Borders, Mass Planting, Specimen or Focal Point, Wildlife Gardens
Features: Attracts Pollinators, Cut Flowers, Low Maintenance
Common Name: Starstruck Amsonia
Other Name(s):

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Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location

Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.