Blue Asters: 15 Different Types of Blue Aster Varieties
Blue asters are a stunning group of perennial flowers that are known for their vibrant hues ranging from deep violet to bright sky blue. These hardy plants are part of the Aster genus, which includes a multitude of species and varieties that add an impressive burst of color to autumn landscapes. Asters are not only a visual delight but also play an important role in the ecosystem, providing late-season nectar for pollinators such as bees and butterflies.
Wood Asters (Eurybia divaricata)
One of the most enchanting varieties, Wood Asters are distinguished by their heart-shaped leaves and star-like blue flowers. They thrive in the dappled sunlight of woodland environments and deliver a natural, untamed look to any garden.
New England Asters (Symphyotrichum novae-angliae)
Renowned for their rich color and taller stature, New England Asters are a favorite among gardeners looking to add visual height and structure. These dense, bushy plants boast numerous small, vivid blue flowers, creating a dense dome of color.
Smooth Blue Asters (Symphyotrichum laeve)
These asters are characterized by their smooth, lance-shaped leaves and unbranched stems, topped with lovely blue petals surrounding a yellow center. They are adaptable and drought-resistant, making them a popular choice for varying garden conditions.
Sea Asters (Aster tripolium)
Often found along coastal areas, Sea Asters are salt-tolerant and can thrive in challenging environments. They display a unique adaptation to their surroundings with fleshy leaves and vibrant flowers that range from pale to deep blue.
Alpine Asters (Aster alpinus)
Alpine Asters are compact, low-growing plants perfect for rock gardens and border fronts. These hardy varieties often bloom with solitary, large flowers that stand out against the greenery of high-altitude terrains.
Sky Blue Asters (Symphyotrichum oolentangiense)
Known for their distinctive sky-blue petals, these asters are a prairie native and can be found across North America. They have a relatively long blooming season, bringing color to gardens well into the fall.
Azures (Symphyotrichum oolentangiense var. azureum)
A variety of the Sky Blue Asters, Azures flaunt a more intense blue shade. They are particularly striking when planted en masse, forming a sea of blue that can transform any landscape.
Frikart’s Aster (Aster x frikartii)
Frikart’s Aster is a hybrid variety known for its large, lilac-blue flowers and longevity in bloom. They are ideal for cutting gardens and have a robust nature, resistant to common garden pests.
Italian Asters (Aster amellus)
This European native adds an old-world charm to gardens with its daisy-like blue flowers and golden centers. Italian Asters are well-suited to garden borders and flower beds, where they can enjoy the full sun.
California Aster (Symphyotrichum chilense)
California Asters are native to the west coast of the United States and exhibit a range of blue shades. Their hardiness and adaptability to drought conditions make them a resilient choice for various garden settings.
Blue Star Asters (Amellus Aster)
As the name suggests, Blue Star Asters are notable for their star-shaped flowers and vibrant blue petals. They are a mid-sized variety that balances well with both large and compact plants, offering versatility in garden design.
Heath Asters (Symphyotrichum ericoides)
With a cloud of tiny, white flowers that can sometimes carry a hint of blue, Heath Asters are a delicate addition that can provide a foil to more bold blue-colored varieties.
Tatarian Asters (Aster tataricus)
Tatarian Asters present a unique shade that is closer to lavender than blue, but they are included here for their towering presence and late-season blooms that extend the enjoyment of aster varieties.
Blue Wood Asters (Symphyotrichum cordifolium)
Blue Wood Asters bring a dash of wild beauty to shaded garden areas. They organically spread to create a lively undergrowth of blue and green hues, ideal for underplanting larger shrubs or trees.
Bluebird Asters (Aster ‘Bluebird’)
The result of careful cultivation, ‘Bluebird’ is a hybrid with large, showy clusters of blue flowers. They provide excellent fall color and are particularly attractive to butterflies.
Conclusion
These 15 types of blue aster varieties showcase the diversity and beauty within the Aster genus. When selecting asters for your garden, consider factors such as your local climate, soil type, and desired maintenance level. By choosing a mix of these varieties, you can achieve a dynamic and colorful garden that celebrates the range of blue hues and supports local biodiversity.