Coreopsis Big Bang 'Star Cluster'
Best low-maintenance perennial for busy gardeners seeking long-lasting seasonal color.
Discover the Coreopsis Big Bang 'Star Cluster', a vibrant perennial designed for exceptional garden performance. This cultivar boasts masses of unique daisy-like flowers, featuring white petals with bright yellow centers and striking grape-purple streaks that intensify in cooler weather. Blooming continuously from early summer to early fall, it offers over five months of color without the need for deadheading. Its sterile nature prevents unwanted seedlings, and it exhibits excellent resistance to pests, diseases, deer, and mildew. Thriving in heat, drought, and even poor soil, 'Star Cluster' forms a compact, mounded habit ideal for borders or containers.
$15.95
Owner Satisfaction
4.6
/ 5
Category Rank
864
/ 3268
#864 in Landscaping & Garden Plants
Price vs Category Average
-42%
Below average
Hardiness Zones
59
/ -
Who it's for
- Gardeners seeking a sophisticated, high-impact summer floral display
- Busy homeowners wanting continuous color throughout the entire season
- Low-maintenance gardeners in hot, dry climates
Who should skip it
- Gardeners looking for a truly hands-off, low-maintenance plant
- People with limited time for staking or pruning weak stems
- Planners seeking a permanent, long-term landscape fixture
Performance breakdown
Bloom Longevity
Five months of continuous color without requiring tedious deadheading.
Maintenance Ease
Sterile genetics eliminate unwanted seedlings and minimize garden cleanup.
Environmental Resilience
Thrives in heat, drought, and poor soil conditions with ease.
Pest Resistance
Strong natural defense against common garden diseases, mildew, and deer.
Visual Impact
Striking tri-color petals provide a high-contrast focal point for borders.
Pollinator Attraction
Reliably draws beneficial insects to support a healthy garden ecosystem.
Key Specs
Hardiness Zones
5 - 9
Mature Height
2 Feet
Mature Width
2 Feet
Soil Types
Clay, Normal, Loamy, Poor, Sandy, Well-drained
Bloom Color
Purple, White, Yellow, Multi-color
Growth Habit
Groundcover
Sun Exposure
Full Sun
Plant Life Cycle
Perennial
Features
- Blooms for over 5 months without deadheading
- Unique white, yellow, and purple streaked flowers
- Sterile variety prevents unwanted volunteers
- Excellent natural pest and disease resistance
- Deer resistant and mildew-free
- Tolerates heat, drought, and poor soil
- Attracts pollinators to your garden
- Compact size for borders and containers
What customers say
Customers consistently praise the Coreopsis 'Star Cluster' for its exceptional reliability and stunning design. Reviewers frequently note how quickly these plants establish themselves, offering a vigorous, long lasting display of unique white blooms. The plant's hardiness and ability to thrive across various conditions make it a highly dependable choice. This robust performance, combined with its striking aesthetic appeal, confirms its status as a garden favorite, delivering excellent value for the investment.
Know before you buy
No, this variety is self-cleaning and will bloom continuously from early summer through fall without the need for deadheading.
No. Because 'Star Cluster' is a sterile variety, it does not produce seeds, which prevents unwanted volunteers and keeps the plant contained to its mounded habit.
This plant requires full sun exposure to perform at its best. Providing at least six to eight hours of direct sunlight daily will ensure the most vibrant flower color and compact growth.
Yes, 'Star Cluster' is bred for high performance and is naturally resistant to both deer browsing and common mildew issues, making it a low-maintenance choice for your landscape.
Absolutely. Its compact, mounded habit and two-foot size make it an excellent candidate for containers, provided the pot has good drainage and receives full sun.
While the flowers feature white petals with yellow centers throughout the season, the striking grape-purple streaks on the petals become more intense and prominent as the weather cools in late summer and fall.
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$16