Alpen Diamond Dahlia
Description
Alpen Diamond is a luminous white dahlia with crisp, clean petals that create a fresh, sparkling presence in the garden and the vase. Its well-formed blooms sit on strong stems, making it a reliable cut flower and a perfect “brightener” to pair with bold colors or pastel palettes. Expect steady production through the season and an elegant, refined look that suits everything from modern arrangements to classic cottage borders.
Specifications
| Form | CO |
|---|---|
| Color | LB |
| Bloom size | 3" |
| Plant height | 3.5 ft |
| Hybridizer | William McClaren |
| Year introduced | 2004 |
| Country of origin | USA |
How to grow Alpen Diamond
Alpen Diamond is a CO with 3.5 ft tall with 3-inch blooms. 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
CO-form dahlias like Alpen Diamond 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
- Apple Blossom — CO, LB
- Bloomquist Arise — CO, DP
- Bumble Rumble — CO, DB
- Ferncliff Dolly — CO, DB
- Giggles — CO, OR
- Kelsey Annie Joy — CO, OR
Frequently asked questions
How tall does Alpen Diamond grow?
Alpen Diamond grows to about 3.5 ft.
What color is Alpen Diamond?
LB — ADS color classification for Alpen Diamond.
Who hybridized Alpen Diamond?
William McClaren, introduced in 2004.
Is Alpen Diamond 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.