The ‘Seattle’ Dahlia is a stunning decorative dinnerplate variety known for its massive 6 to 8-inch golden-yellow blooms tipped with pure white. Growing 30 to 48 inches tall, this summer bloomer thrives in full sun and well-drained soil, making it a favorite for garden borders and cut flower arrangements. [1, 2, 3]
Key Characteristics
- Flower Type: Formal decorative (double blooms without a central disc).
- Bloom Size: Large, typically measuring 6 to 8 inches (15 to 20 cm) across.
- Mature Height: 30 to 48 inches (90 to 120 cm) tall.
- Color: Striking bicolor contrast of bright golden-yellow petals with distinct white tips. [1, 2, 3, 4, 5]
Planting & Care Instructions
- When to Plant: Plant tubers in the spring after the threat of the last frost has passed. [1, 2]
- Depth & Spacing: Bury tubers about 4 to 6 inches deep (eyes facing up) and space them 24 to 36 inches apart. [1, 2, 3, 4, 5]
- Soil & Sunlight: Thrives in full sun (6-8 hours of direct light) and moist, humus-rich, well-draining soil. [1, 2, 3, 4]
- Maintenance: Because of the heavy blooms, you may need to stake the tall stems. Deadhead spent flowers to encourage continuous blooming from mid-summer until the first frost. [1, 2]
- Winter Storage: In cold climates (Hardiness Zones 3-8), carefully dig up the tubers in the fall before the first frost and store them in a cool, dry, frost-free location until replanting the following spring. [1, 2]
