20th Ave Old Major Dahlia
Description
20th Ave Old Major is a bold, high-impact bloomer with richly saturated, warm-toned flowers that stand out from across the garden. Its full, well-formed blooms are held on strong stems, making it an excellent choice for cutting and for adding late-summer drama to borders and mixed beds. Expect a steady show of eye-catching color that pairs beautifully with both soft pastels and deep jewel tones.
Specifications
| Form | BA |
|---|---|
| Color | L |
| Bloom size | 3.8" |
| Plant height | 5.5 ft |
| Hybridizer | R Gibson |
| Year introduced | 2022 |
| Country of origin | USA |
How to grow 20th Ave Old Major
20th Ave Old Major is a BA with 5.5 ft tall with 3.8-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
BA-form dahlias like 20th Ave Old Major 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 Gwen — BA, Y
- 20th Ave Memory — BA, PK
- AC White Rabbit — BA, V
- Blyton Softer Gleam — BA, LB
- Brown Sugar — BA, BR
- Camano Mordor — BA, DB
Frequently asked questions
How tall does 20th Ave Old Major grow?
20th Ave Old Major grows to about 5.5 ft.
What color is 20th Ave Old Major?
L — ADS color classification for 20th Ave Old Major.
Who hybridized 20th Ave Old Major?
R Gibson, introduced in 2022.
Is 20th Ave Old Major 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.