Rocco Dahlia
Description
Rocco is a bold, eye-catching dahlia that produces well-formed blooms in rich, dramatic tones, bringing instant depth and contrast to garden beds and bouquets alike. Its sturdy stems and consistent flowering make it a reliable cut-flower choice, while the full, sculpted form adds a polished, high-impact look from midsummer right through frost.
Specifications
| Form | P |
|---|---|
| Color | PR |
| Bloom size | 2" |
| Plant height | 4.5 ft |
| Hybridizer | Gerrit H Lammerse |
| Year introduced | 1962 |
| Country of origin | Netherlands |
How to grow Rocco
Rocco is a P with 4.5 ft tall with 2-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
P-form dahlias like Rocco 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
- Amber Queen — P, BR
- Betty Anne — P, PK
- Burlesca — P, PK
- Dot Com — P, PR
- Frank Holmes — P, L
- Ginger Willo — P, DB
Frequently asked questions
How tall does Rocco grow?
Rocco grows to about 4.5 ft.
What color is Rocco?
PR — ADS color classification for Rocco.
Who hybridized Rocco?
Gerrit H Lammerse, introduced in 1962.
Is Rocco 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.