Cardinal Red (Dianthus caryophyllus Grenadin Group) is a brilliant heirloom carnation producing large, fully double flowers in a rich, velvety cardinal red. The densely ruffled blooms are carried on sturdy stems above attractive blue-green foliage and release the classic spicy clove fragrance that has made carnations treasured for centuries. Blooming continuously from late spring through summer, Cardinal Red combines exceptional garden performance with outstanding cut flower quality, making it a favorite for borders, fragrance gardens, and professional-quality floral arrangements.
Garden Uses:
Cardinal Red is perfect for cutting gardens, perennial borders, cottage gardens, fragrance gardens, patio containers, raised beds, and formal flower displays. The brilliant scarlet-red blooms create dramatic contrast with white baby's breath, lavender, foxgloves, delphiniums, Shasta daisies, blue salvias, and silver-foliaged plants. Its long stems and excellent vase life make it one of the finest carnations for bouquets, centerpieces, and floral arrangements.
Growing Information:
Sow seeds indoors 8-10 weeks before the last expected frost or directly outdoors after danger of frost has passed. Cover seeds lightly with fine growing medium and maintain temperatures between 65-70°F. Germination usually occurs within 7-14 days. Plants thrive in full sun with fertile, well-drained soil enriched with organic matter. Water consistently during dry weather while avoiding saturated soils. Deadheading spent blooms encourages continuous flowering throughout the season. In warmer climates, Cardinal Red may perform as a short-lived perennial.
Quick Facts:
| Botanical Name: | Dianthus caryophyllus Grenadin Group |
| Common Name: | Cardinal Red Grenadin Carnation |
| Plant Type: | Tender perennial (commonly grown as an annual or short-lived perennial) |
| Height: | 18-24 inches |
| Spread: | 10-15 inches |
| Bloom Color: | Deep cardinal red |
| Bloom Season: | Late spring through summer |
| Light Requirements: | Full sun |
| Soil Requirements: | Fertile, well-drained soil |
| USDA Zones: | 6-10 (grown as an annual in colder climates) |
| Uses: | Cutting gardens, borders, fragrance gardens, cottage gardens, containers, floral arrangements |
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