Harris Seeds Dianthus Telstar Seed
Best annual choice for gardeners seeking long-lasting, vibrant floral displays.
These hybrid seeds are the ultimate low-maintenance workhorse for a season-long display of vibrant color. You sacrifice the complexity of heirloom varieties, but you gain reliable, high-performance blooms that hold their own from early summer straight through to the first frost.
$17.80
at
Harris Seeds
Who it's for
- Gardeners seeking consistent, professional-grade floral displays
- Landscapers in regions with intense summer heat
- Homeowners wanting early-season color for containers and borders
Who should skip it
- Budget-conscious gardeners preferring low-cost seed options
- Seed-saving enthusiasts who prefer heirloom or open-pollinated varieties
- Casual growers lacking indoor space or specialized germination equipment
Performance breakdown
Germination Speed
Rapid four to seven day sprout time ensures quick garden establishment.
Bloom Longevity
Consistent flowering from early summer through frost maximizes seasonal color impact.
Versatility
Compact habit works equally well in garden beds or cut arrangements.
Hybrid Vigor
F1 genetics provide superior outdoor resilience and reliable, uniform growth.
Ease of Cultivation
Straightforward requirements make these an accessible choice for most home gardeners.
Seed Quality
Raw, untreated seeds offer a natural, high-viability option for organic growers.
Key Specs
Seed Count
250 seeds
Seed Treatment
UNTREATED
Plant Height
8-10 inches
Plant Spread
8-10 inches
Soil Temperature
65-70°F
Germination Days
4-7 Days
Grow on Temperature Day
55-60°F
Plant Type
Annual
Planting Season
Spring
Sunlight Exposure
Full Sun
Know before you buy
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