Eastern bluestar Amsonia orientalis
ABOUT
Amsonia orientalis, also known as European bluestar, is a perennial plant renowned for its beautiful star-shaped flowers. These blooms come in an exquisite pale blue hue, forming tight clusters that provide a striking display in the springtime. The plant's leaves are lance-shaped and rather narrow, with a lush green color that adds to its attractiveness. The foliage provides an elegant backdrop for the blooms and may undergo a transformation in color to a golden-yellow or sometimes a bronze hue when the cooler temperatures of fall arrive. The European bluestar has a bushy appearance and is often characterized by multiple stems that emerge from its base, creating a rounded and full silhouette. These stems are sturdy and hold up the flowers and foliage elegantly. The plant exudes a refined and graceful presence in any garden setting, often becoming a focal point when in bloom. Despite the omission of dimensions, the European bluestar's appearance conveys a sense of its suitable scale within a garden landscape, making it a valued and aesthetically pleasing addition to beds, borders, and cottage gardens.
About this plant
NamesFamily
Apocynaceae
Synonyms
European Bluestar, Eastern Bluestar
Common names
Amsonia tabernaemontana var. salicifolia, Rhazya orientalis
ToxicityTo humans
The plant commonly known as Eastern Bluestar (Amsonia orientalis) is not well-documented as being toxic to humans. There is limited information available on the exact toxicity of this plant if ingested. However, like many ornamental plants, it may cause mild stomach upset if consumed, but significant toxic effects in humans are not commonly reported. It is always advisable to avoid eating ornamental plants due to potential health risks and lack of edibility.
To pets
Eastern Bluestar (Amsonia orientalis), when it comes to pets, the plant is similarly undocumented concerning being toxic. While it is not widely known to be poisonous to pets, its consumption could potentially lead to gastrointestinal upset, such as vomiting or diarrhea, mainly if ingested in large amounts. It is recommended to prevent pets from consuming this plant and to keep an eye out for any adverse reactions if they do ingest some, followed by consulting a veterinarian.
CharacteristicsLife cycle
Perennials
Foliage type
Deciduous
Color of leaves
Green
Flower color
Blue
Height
1-3 feet (0.3-0.9 meters)
Spread
1-3 feet (0.3-0.9 meters)
Plant type
Herb
Hardiness zones
7
Native area
Eastern Mediterranean
Benefits
General Benefits- Ornamental value: Amsonia orientalis, commonly known as European bluestar, offers attractive star-shaped blue flowers that enhance the beauty of gardens and landscapes.
- Low maintenance: The European bluestar is known for being drought-tolerant and generally requiring minimal care once established, making it a convenient choice for gardeners of all levels.
- Attracts pollinators: With its blossoms, the plant provides a nectar source for bees and other pollinators, contributing to the health of the local ecosystem.
- Seasonal Interest: European bluestar has a distinctive foliage color that transitions from green in summer to golden-yellow in the fall, adding seasonal interest to gardens.
- Drought tolerance: It is well-suited for xeriscaping and gardens in arid regions due to its ability to withstand periods of low water availability.
- Deer resistance: The plant is considered resistant to deer, which can help prevent damage in gardens located in areas with deer populations.
- Erosion control: European bluestar has a fibrous root system that can help stabilize soil and reduce erosion on slopes or banks.
- Border and mass planting: Its uniform growth habit makes it an excellent choice for borders and mass plantings in landscape designs.
- Non-invasive: Amsonia orientalis is non-invasive, reducing the risk of it spreading uncontrollably and outcompeting native plant species.
Medical PropertiesThis plant is not used for medical purposes.
Air-purifying QualitiesThis plant is not specifically known for air purifying qualities.
Other Uses- Artistic Inspiration: Due to its unique star-shaped blue flowers, Amsonia, also known as European bluestar, often serves as a muse for artists and photographers looking to capture the beauty of nature in their work.
- Garden Design: European bluestar can be used in rock gardens and border plantings for aesthetic appeal, providing a contrast in form and color against other garden plants.
- Educational Tool: Botany educators may use Amsonia orientalis to teach plant identification techniques or to discuss pollination strategies within the Apocynaceae family.
- Textile Dyeing: The roots or leaves could potentially be used to create natural dyes for fabrics, although specific recipes may need to be developed.
- Insect Habitat: The plant can offer shelter and nourishment for beneficial insects, including pollinators like bees and butterflies.
- Ecological Research: Scientists might study Amsonia orientalis as part of ecological restoration projects to understand how native plant species can be re-introduced to support biodiversity in certain areas.
- Folk Art Material: The stems and flowers can be used in dried flower arrangements or to create ornamental displays in folk art crafts.
- Demonstration Plant: European bluestar could be used in water conservation landscapes to demonstrate the beauty of drought-resistant native plants.
- Seasonal Interest: Amsonia orientalis can serve as an indicator plant in gardens, signaling the start of spring with its flowering and fall with its foliage changing color.
- Photographic Subject: Due to its striking appearance, the plant often serves as an excellent subject for macro photography workshops, allowing participants to practice close-up shots on its delicate structures.
Interesting Facts
Feng ShuiThe European Blue Star is not used in Feng Shui practice.
Zodiac Sign CompitabilityThe European Blue Star is not used in astrology practice.
Plant Symbolism- Endurance: Amsonia orientalis, also known as European Bluestar, often symbolizes endurance due to its hardy nature and ability to withstand challenging conditions.
- Patience: The plant requires patience to fully mature and bloom, representing a gradual unfolding of beauty and reward for those who wait.
- Perseverance: European Bluestar's growth, even in poor soils, signifies perseverance in overcoming obstacles and thriving in difficult situations.
WaterThe Eastern Bluestar (Amsonia orientalis) should be watered regularly during the first growing season to establish a deep, extensive root system. After establishment, they are relatively drought tolerant and require less frequent watering. Typically, watering once a week with an inch of water (approximately 0.6 gallons for a small plant) will suffice, increasing frequency during prolonged dry spells or extreme heat. Avoid overwatering as this plant does not like waterlogged soil. It's best to water deeply and less frequently to encourage deep roots, rather than shallow, frequent watering.
LightEastern Bluestar thrives best in full sun to partial shade conditions. The ideal location would provide morning sunlight with some afternoon shade, or dappled sunlight throughout the day. Avoid deep shade as it can lead to sparse foliage and fewer flowers.
TemperatureEastern Bluestar is hardy and adaptable, withstanding temperatures as low as -20°F and as high as 90°F. The ideal growing temperatures are between 60°F and 75°F. This plant is suitable for gardeners residing in USDA hardiness zones 4 through 9.
PruningPruning the Eastern Blustar should be done to maintain plant shape and remove dead or damaged stems. It's best to prune in late winter or early spring before new growth begins. Cut back the previous year's growth by one-third to stimulate new growth and improve air circulation. Pruning is typically required once a year.
CleaningAs needed
SoilBlue Star needs well-draining soil enriched with organic matter, with a pH of 6.0 to 7.5, to promote lush growth and optimal health.
RepottingBlue Star should be repotted every 2-3 years to refresh the soil and accommodate root growth.
Humidity & MistingBlue Star prefers average to slightly above average humidity levels but is quite adaptable to a range of conditions.
Suitable locationsIndoor
Place Blue Star in bright, indirect light with good air circulation inside.
Outdoor
Plant Blue Star in full sun to partial shade with well-drained soil.
Hardiness zone
Blue Star is suitable for USDA zones 4-9.
Life cycleAmsonia orientalis, commonly known as European bluestar, begins its life cycle as a seed that germinates in spring when the soil warms up. The seedling establishes a root system and grows into a young plant, producing a rosette of leaves at ground level. As it matures, Amsonia orientalis develops upright stems with narrow, lanceolate leaves, and by late spring to early summer, clusters of star-shaped, blue flowers bloom. After pollination, typically by insects, the flowers develop into slender, pod-like fruit that release seeds when mature. The plant dies back to the ground in winter, but as a perennial, it regrows from the same root system in the following spring. Amsonia orientalis may also spread through rhizomes, gradually forming larger clumps over the years.
PropogationPropogation time
Spring to summer
Propogation: The most popular way to propagate Amsonia orientalis, commonly known as European bluestar, is by seed. Seeds should be collected from ripe pods in autumn. For the best result, the seeds need a period of cold stratification to break dormancy, which can be mimicked by placing them in a sealed bag with moist sand or vermiculite and refrigerating for about three months. After stratification, the seeds are sown in well-draining soil and placed in a warm area until germination, which can take 1-3 months. The young plants should be grown on in a sheltered location until strong enough to plant out in their permanent positions.
