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Key characteristics

Height: 3½ ft
Bloom size: Large (8‑10 in)
Flower color: Raspberry‑purple with a white reverse
Days to maturity: 80 to 100 days
Light: Full Sun
Plant spacing: 12-18 inches

Dahlias

Dahlia 'Allen's Bella'

Allen's Bella Dahlia

Dahlia 'Allen's Bella' produces large, 8 to 10-inch raspberry-purple blooms with contrasting white petal reverses. Broad, pointed petals curve and flare outward, creating full, sculptural flowers with flashes of white visible as the petals turn. Blooming begins in midsummer and continues steadily through autumn until the first frosts, providing months of rich color.

Introduced in 2025 by American hybridizer Allen Manuel, 'Allen's Bella' earned both Derrill W.

Availability

Many tubers and seeds are available online. For help in finding online sources, visit dahliaaddict.com.

Find this plant

Printable plant sheet (PDF)

Planting & care

Growing beautiful dahlias starts with thoughtful planting and care. A sunny location, well-draining soil, and consistent attention throughout the growing season help plants develop abundant flowers. Regular watering and feeding encourage healthy growth, while mulch helps conserve moisture. Removing spent flowers keeps plants blooming freely from summer into fall.

Read the complete dahlia guide

Printable planting guide