The Dahlia ‘Otto’s Thrill’ is a spectacular dinnerplate dahlia known for its massive, fully double blooms that measure 8 to 10 inches across. It features stunning, soft bubblegum-pink to salmon-pink petals. Growing 40 to 44 inches tall, these award-winning tubers thrive in full sun and bloom from mid-summer until the first frost. [1, 2, 3, 4, 5]
Here are the specific, actionable details for growing this variety:
- Bloom Size: 8–12 inches in diameter.
- Plant Height: 40–44 inches (100–110 cm).
- Light & Soil: Requires full sun and rich, well-draining soil.
- Spacing: Space tubers 12 to 18 inches apart, planting just deep enough to cover with about 2 inches of soil.
- Winter Care: In colder climates (hardiness zones below 8), tubers are not hardy and must be dug up in the fall and stored indoors. [1, 2, 3, 4, 5]





