The Dahlia ‘Kelvin Floodlight’ is a popular, show-stopping dinner plate dahlia known for its massive, vibrant yellow blooms that frequently measure 8 to 12 inches (20-30 cm) in diameter. Blooming from mid-summer until the first frost, these bright, fully double flowers grow on sturdy stems making them excellent for garden beds and cutting. [1, 2, 3, 4, 5]
Key Growing Details:
- Height & Spread: Grows to a mature height of 3 to 5 feet (90–150 cm) with a spread of 1.5 to 2 feet (45–60 cm).
- Light: Thrives in full sun.
- Soil: Requires rich, well-drained soil.
- Hardiness Zones: Hardy in USDA Zones 8–10.
- Winter Care: In cooler climates (Zone 7 and below), tubers must be carefully dug up in the fall and stored in a cool, frost-free area over the winter. [1, 2, 3, 4]
