Dianthus Telstar Mix F1 Seed
Best annual choice for gardeners seeking long-lasting, vibrant floral displays.
Dianthus Telstar Mix F1 seeds offer vibrant, long-lasting blooms from early summer until frost, making them a superb choice for both garden beds and cut flower arrangements. Commonly known as Carnation or Sweet William, this hybrid variety provides exceptional outdoor performance. Each pack contains approximately 250 raw, untreated seeds, ensuring a continuous display of mixed colors throughout the season. These annual flowers are ideal for adding consistent beauty to your landscape, thriving in full sun conditions.
$17.80
Owner Satisfaction
4.7
/ 5
Category Rank
270
/ 6504
#270 in Seeds & Seed Tape
Price vs Category Average
+68%
Above average
Seed Count
250
/ 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 for germination
Germination Days
4-7 Days
Grow on Temperature Day
55-60°F
Plant Type
Annual
Features
- Exceptional outdoor performance
- Blooms from early summer to frost
- Versatile for gardens and cut flowers
- Long-lasting bloom time
- Hybrid variety
- Annual plant type
- RAW / UNTREATED seed
What customers say
Customers consistently praise the Dianthus Telstar Mix F1 seeds for their exceptional reliability and superior quality. The most valued feature is the high, dependable germination rate, which builds strong gardener confidence. Established plants are noted for being vigorous, uniform, and robust, reflecting excellent F1 genetics. Gardeners especially love the stunning, vibrant color mix—featuring reds, pinks, whites, and bi-colors—that delivers continuous, cheerful blooms. The Telstar series offers inherent heat tolerance, extending the season. While the initial cost is higher, reviewers agree the predictable results and spectacular, long-lasting floral display fully justify the investment. This mix is highly recommended for reliable, show-stopping color.
Know before you buy
No, these are raw, untreated seeds. They have not been coated or chemically treated, making them a natural choice for your garden.
You can expect these to bloom continuously from early summer right through until the first frost. Their long-lasting nature makes them a reliable choice for consistent color.
For the best results, maintain a soil temperature between 65-70°F. Under these conditions, you should see germination occur within 4 to 7 days.
Since each plant grows to a spread of 8-10 inches, you should space them about 8-10 inches apart to ensure they have enough room to thrive and maintain good airflow.
Yes, these Dianthus thrive in full sun conditions. Planting them in a spot that receives plenty of direct sunlight will ensure the best performance and most vibrant blooms.
Absolutely. Their sturdy stems and long-lasting blooms make them an excellent choice for cut flower arrangements in addition to their use in garden beds.
Still have a question?
Ask Hayley anything about this product before you decide.