Allen's Diablo Dahlia
Description
Allen's Diablo is a dramatic, richly colored dahlia that brings bold presence to the garden with its deep, velvety red blooms and classic formal decorative form. The full, tightly layered petals create a plush, high-impact flower that stands out beautifully in borders and makes a striking cut bloom. Expect a strong show of flowers through the season, especially with regular cutting and deadheading.
Specifications
| Form | SC |
|---|---|
| Color | R |
| Hybridizer | A Manuel |
| Year introduced | 2023 |
| Country of origin | USA |
How to grow Allen's Diablo
Allen's Diablo is a SC. Plant tubers 12–18 inches apart in full sun after the last frost. Pinch when plants reach 12 inches tall to encourage bushier growth and more blooms.
Harvest & vase life
SC-form dahlias like Allen's Diablo harvest dahlias when blooms are three-quarters to fully open. With clean cuts and fresh water, most varieties last 4–7 days in the vase.
Similar dahlia varieties
- AC Ben — SC, LB
- Black Jack — SC, DR
- Cheers — SC, R
- Clearview Jonas — SC, LB
- Drama Queen — SC, PR
- Fire Magic — SC, FL
Frequently asked questions
What color is Allen's Diablo?
R — ADS color classification for Allen's Diablo.
Who hybridized Allen's Diablo?
A Manuel, introduced in 2023.
Is Allen's Diablo good for cut flowers?
Yes. Dahlias are among the most popular cut flowers for home and market growers. Expect 4–7-day vase life with proper hydration.