Blue Danube Dahlia
Description
Blue Danube is a show-stopping decorative dahlia celebrated for its rich, cool-toned lavender to violet blooms that read as “blue” in the garden, with neatly layered petals forming full, rounded flowers. Held on strong stems above deep green foliage, it makes a striking cut flower and a standout in borders, pairing beautifully with whites, silvers, and deep purples for a sophisticated late-summer display.
Specifications
| Form | FD |
|---|---|
| Color | L |
| Bloom size | 3.5" |
| Plant height | 4 ft |
| Year introduced | 1948 |
How to grow Blue Danube
Blue Danube is a FD with 4 ft tall with 3.5-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
FD-form dahlias like Blue Danube 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
- 20th Ave & Baker Rd — FD, W
- 20th Ave Pure Prince — FD, L
- 20th Ave Rayna — FD, DP
- 20th Ave Softer Peach — FD, PK
- AC Devin — FD, DB
- Ace Summer Sunset — FD, LB
Frequently asked questions
How tall does Blue Danube grow?
Blue Danube grows to about 4 ft.
What color is Blue Danube?
L — ADS color classification for Blue Danube.
Is Blue Danube 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.